Categories
boats

A very customised Fliptail 7

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Woodenwidget has been selling plans to build folding boats for over ten years and in that time many builders have been kind enough to share their attempts. It is always a delight to see how builders finish their boats. Some copy the plans exactly, even down to the same type of wood and fabric. Most personalise their craft in some way but do not deviate from the plans structurally but every now and then an ambitious builder lets their imagination run wild.

Alex is one of these builders. He owns a rather lovely small classic yacht and he wanted to try and match a dinghy to it. His emails were intriguing and right up to the end I had no idea what he was up to because he said he didn’t want to send any pics until the boat was finished.

So when I finally saw the pictures I was so impressed. He was worried that as the designer of the Fliptail I might be somehow offended by his modifications but nothing could be further from the truth. The pleasure I get from seeing what people do with the design is very heartening.

What you see below is basically the email I got from Alex with his comments and pictures which explain it all much better than I could.

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Hello Benjy,

As promised, some construction photos and final results of my Fliptail 7, "Foal", tender to my 19′ Ralph Stanley sloop, "Bucephalus".

First off, I want to say explicitly that none of the diversions I made from your plans were because I felt the design was in any way flawed. All the significant changes were because I’m fussy about wanting something aesthetically just so, or to fit her into her very specific role as a tender. Your plans were excellent, far better thought out than my modifications, and any difficulties I encountered in the construction were entirely my own doing, as would be any failures of the vessel as I built her.

The first big change I made, of course, was making her a peapod, double-ended. This was pretty straightforward: figure out the midpoints of all the longitudinal elements, backbone and hoops, and then mirror the bow section. For instance, two stems:

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You can’t have too many clamps:

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With the hoops, I went a little further off piste. I knew I wanted a concave sheerline, and the best way to accomplish that in this situation was to have hoops with a fair curve, and then angle them down slightly. So the hoops are a slightly different shape than the typical Fliptail’s; significantly, there is no absolutely straight section, they are curved throughout. They still start from the same principles and basic dimensions, though –and they still take a lot of clamps:

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Turns out you can’t get 10mm plywood over here. Even high end wood suppliers stock in 1mm increments up to 9mm, then jump to 12mm. For the sake of lightness, as well as because 12mm wouldn’t fit when folded up, I used 9mm okume. It turns out it’s pretty flexible stuff, when you’re sitting on it, but I think it’ll be fine. Again, I slightly tweaked her plan view, even beyond making her double-ended, to fit the differently-curved hoops:

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Given that she will be used in a salt water environment, all hardware is either brass or bronze. This includes 1/4"-20 bronze carriage bolts for the floorboard supports, since I didn’t have a full 10mm of ply to countersink for machine screws. (As an aside, reconciling your metric instructions to my SAE working habits and materials suppliers was a challenge in its own right):

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A minor change of detail, on the keel cheeks, to remove a sharp point:

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I couldn’t bear to let the offcuts off the ends of the hoops go to waste, and since I wanted something a little curvier at the ends of the hoops than the cedar wedges specced in the plans, to show the sheer better, I used the offcuts thus:

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Foal’s construction sequence has been considerably different from that you outline for the typical Fliptail. I have done a lot of pre-fitting of parts, since I’m detailing them differently, which means I need to assemble, disassemble, adjust, check the fit, and only then start varnishing and painting, once they’re shaped as I want them. The complexities of changing her to have a concave sheer made things even more difficult, as everything had to be assembled, scrutinized, and adjusted many times to be sure the curves were coming out right. It has definitely slowed the process, but I think the results are worth it.

To match her parent vessel, Foal is painted blue-grey inside, with bright trim.

Lower hoops in place:

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Stem detail. The oak bearing pads, laminated to the stem and sternpost, have their outside faces canted out about 6°, to angle the upper hoops downward and create the concave sheerline. Angling the hoops down reduces her freeboard by a couple inches, but the geometry also works to give her sides a bit more flare:

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Since I had the ash offcuts on hand, and it makes nice detailing when finished bright, the floorboard supports and upper hoop supports are of ash instead of cedar. Since the assembly process was slow anyhow, I took the time to laminate the brace-blocks onto the floorboard supports, instead of screwing them on, and shaped some curves to get rid of some weight and lighten them visually. I also glued a pad across the end grain where the lower hoops bear, to protect the end grain from splitting. In this photo, the bolts all have yet to get their nylock nuts, and be trimmed to length:

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Sternpost detail. I left the pads long to create a fairlead, either for a towline, for towing Bucephalus, or for rowing out a kedge, or taking a warp ashore for mooring or warping in. The hoops also sit an inch lower on the sternpost than on the stem, to enhance her sheer:

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Upper hoops in place, with temporary vertical supports to fine tune the sheerline. Angling the upper hoops down to create the sheer had the effect of flaring the sides, which angled the bottoms of the upper hoop supports inward, and in turn meant the floorboard supports needed to be shortened:

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You can see the 12° of "deck camber" a bit better here:

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Final vertical supports in place, but not yet varnished. There’s only so much you can do to add sheer to a 7′ boat, but from a little distance, she does have the tiny bit I had hoped for:

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I have an unreasonable hatred of barrel-bolts. To avoid using them, I instead shaped the heads of #6 screws on my lathe to remove the flare of the heads, and screwed them into the endgrain of the vertical supports. I then drilled into the floorboard supports and lined the sockets with open-ended Chicago screws left over from the floorboard hinges. The Chicago screws have a slight crown to the end, which provides both a strike plate for the screws/pins and a little more clearance to allow water to drain off. It takes stretching the fabric a bit to get the verticals into place, but they hold their position quite well:

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I also re-invented the detail of how to locate the floorboard supports on the lower hoops. Instead of notching the lower hoops, I drove a 1/4" oak dowel through the keel, to serve as a stop for the floorboard supports when they are swung into place: (designer’s comment: Normally a small flat is cut on the upper side of the hoop and the floor support locates in the slot. This is so that when rowing you can put your feet on the supports and force against them. I worry that Alex’s solution is not ‘idiot proof’ but so long as he is aware of the issue, his solution is fine)

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Covering the modified hoops went just fine. To match Bucephalus –and my other dinghies– I used dark green fabric for the bottom panels and white for her topsides. For sealant I used up a couple partial tubes I had on hand of both 3M 4200UV and 3M 5200, aka "demon snot". In keeping with her bronze and brass hardware, for salt water resistance I used 1/4" monel staples, for longevity:

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Foal together with Bucephalus’s "home waters tender", Toggle:

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For a rubrail I did as I had done on Toggle, and used a length of 3-strand spun dacron (1/2"), long-spliced into a loop. I first routed a 1/4" radius cove 3/16" deep into the upper hoop, positioning the cove at the top edge of the hoop so that the rope would stand proud of the wood both on top as well as to the outside. This is because I’ve found that when coming along side a larger boat in any sort of a chop, a dinghy will tend to sort of scoop its rail up and into the larger boat, not just bang against it sideways, so padding along the top edge is warranted as well. (Also, bronze nylock nuts are now in place.):

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With the cove shaped, I stapled the top edge of the topsides fabric into the cove, so that the fabric turned over the bottom edge of the cove. Ideally this will ease some of the point-loading against the staples. The rope rubrail then covered the edge of the fabric and is secured in place by 3/4" #6 bronze round-head screws: you insert the screw in between two strands of the rope, and then drive it *through* the third strand and into the rail, so that when it is driven home, the head disappears beneath the first two strands. Be sure to use round-head screws for this, if you try it: flat-head screws tend to frazzle the rope as you’re driving them. There are slight bulges where the screws are, but those tend to get less obvious over time:

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At stem and stern I left bights of rope long enough both to let the hinges work and to use as lifting handles:

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The aft bight is longer, to work as a sling for rowing out an anchor:

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To take the strain of lifting, the rubrail is also seized to the upper hoops close to the stem and sternpost:

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The sternline is just girth hitched to the stern lifting becket, since it’s unlikely to take much strain, or even to get much use, but for a little bit of "bling" the painter is girth hitched to a bronze captive ring:

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As for where to put the oarlocks, it turns out your written instructions were, for me, exactly right: they work well immediately abaft the aft upper hoop supports. With two people in the boat, each sitting at the extreme ends, that position even works (sorta; adequately) to row stern-first and keep the boat a little better balanced on her waterline. Contrary to what you indicate in the instructions (yet again!), I installed the oarlocks to the inside of the rail rather than to the outside: I lose a couple inches breadth of effective rowing position, but it removes any chance of dinging the boat I’m coming along side of:

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And Foal has now had a preliminary bout of sea trials. I don’t have any photos of her under way, as I was the photographer and could not both row and operate a camera, but here’s proof that she does float:

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She also makes a very tidy package, with a pair of 6′ oars. I’m still working out the best way of lashing her for stowage, so please excuse the painter and sternline macrame:

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I am happy to confirm that she is surprisingly stable, and rows far, far better than I had expected (even with the rowlocks just clamped in place). I admit, I expected her to handle like an overturned umbrella in a duck pond, but that expectation was completely unjust, and her handling is stellar. I think she will be an even better tender than I had hoped for:

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Many thanks for all your support throughout the build. Let me know, now or in the future, if I can provide any details of Foal’s build, or the suppliers of her materials, for Wooden Widgets’ library of information.

All the very best,

Alex

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Categories
boats

What is the perfect dinghy?

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OK, so that is a trick question because all dinghies are a compromise. In an ideal world we’d probably like a 4 metre rib with a 40 hp engine on the back that can carry 4 at high speed in the roughest weather. The reality is that a boat like this will be costly and impossible to use in the real world. I mean, for starters, where would you put it when it wasn’t being used?

Before you can decide which dinghy is best for you you’ll have a list of priorities. For example, here are a long list of features that are important. They are in no particular order. That is for you to decide.

Cost: Only you know how much you are willing to pay for a dinghy but remember that the more you pay, the more desirable your dinghy will be to thieves and the more upset you will be when it’s damaged or stolen.

Buoyancy: What will happen when your dinghy is swamped by waves and starts to fill with water? Will it stay afloat even with occupants? Of course buoyancy can be easily added at the cost of inconvenience. The best is built in buoyancy in the way of water tight compartments but having these adds weight and reduces options for storing.

Stability: Small boats are notoriously tippy and only careful use will keep them afloat. If you are light and nimble then this probably won’t matter to you but if not you will probably want something that is very stable such as an inflatable dinghy.

Stowage: It’s all very well having an 10 foot dinghy but only if you have somewhere to store it when not in use. A dinghy can be towed of course but when it gets rough it might become a liability, fill with water, flip over and sink or smash into the back of your yacht. The safest place to stow a dinghy is aboard the mother yacht be it in special davits, lashed to the deck or stowed below.

Rowing: Inflatable boats do not row well and this is why most owners also buy an outboard to go with it but outboards are noisy and smelly and pollute. They are heavy and hard to put on the dinghy and take up a lot of valuable stowage space. You will never offend anyone by rowing.

Sailing: Not all dinghies can sail, or be made to sail. Various attempts to make inflatables sail have been tried but the high drag, lack of lateral resistance and floppy structure makes the inflatable a poor sailor.

Outboards: They are costly, liable to theft, they can go wrong, take up space, pollute, make noise and smell. You may not need one if you buy something other than an inflatable.

Size: How many people do you need to carry? How able are they? How much do they weigh? Do you really want to carry all the extra weight of boat around for an occasional use? Would you be better with a smaller boat and make more trips to and from the shore?

Build your own: There are a lot of plans out there if you are the DIY type. This gives you the option of getting what you want although ultimately it may not be cheaper than buying a ready made boat.

So lets look in more detail at the options. First we’ll discuss the different types of dinghy and tenders available.

Inflatable beach toys: These are cheap inflatable boats with no safety features whatsoever. They are usually made of one continuous tube so if you get a hole in it, the entire boat will deflate and it will sink. They are not very tough and so easily damaged. They generally cannot take an outboard (petrol or electric) and will probably not have a decent system for attaching oars.

If you are in a warm environment and you never go more than a few metres from the mother ship and you can swim then a beach toy will get you to the shore and back. The reason why people buy them is because they are cheap. Generally a poor choice for a yacht tender.

PVC Inflatable dinghy: This is one up from a beach toy and will have at least two or more air chambers so that if the skin is punctured it will not sink. It will be made with a better quality, thicker skin that is more resistant. It may have the option to mount a small electric motor and will certainly have a system that allows it to be rowed.

They cost more than a beach toy and are generally no larger than 8 feet long. These are a bit safer than a beach toy but the PVC is relatively easily damaged and they will not be very resistant to damage from use or sunshine. Not a bad choice for a yacht tender as they are not expensive but far better to invest in a better quality inflatable made from Hypalon.

Hypalon inflatable dinghy: This is the most common choice of yacht tender. The Hypalon fabric is highly resistant to wear and UV damage. The boat will be made of several sections so will remain afloat even if one tube is punctured. They are very stable and good for heavy or clumsy people.

There are a host of advantages to inflatables which is probably why they are so popular as dinghies. They come with fabric floors, fabric floors with slats, inflatable floors or hard floors (RIBs)

They won’t damage the yacht when along side so they can be left in the water alongside the yacht. They can generally plane at speed with a big enough outboard. And of course they can be deflated for stowage although this takes some time. As does re-inflating them again later. A good pump is essential but even still, it can take a long time to pump it up. You can buy electric pumps which work well but are extremely loud and annoying.

On the down side, Inflatables are very heavy and hard to move about. Even deflated the smallest inflatable will be a bulky nuisance, either getting in the way on deck or struggling to stow it in a locker. This is probably why most people do not deflate them and either tow them or stow them on deck.

Towing an inflatable will cause drag and if the weather gets nasty it might even flip. Never tow an inflatable with a motor attached! If you decide to stow it on deck, you will have to get it there and most people use a halyard. In any case it’s almost always a two man job and when stowed on deck it’s likely to restrict vision and cause drag when sailing to windward or end up catching ropes and sheets. Not to mention restricting movement on deck. A complete pain in other words!

Inflatables are also very desirable to thieves because they are so common and they all look similar. They are not good to row and I have seen quite a few people get into trouble on windy days quite unable to get back to their yacht. This is why most are fitted with an outboard but then you are faced with the various problems that this brings, such as removal and storage on the boat, carrying yet another explosive fuel aboard not to mention the smell or the pollution and the fact that they can quite spoil an idyllic anchorage when there are dozens of them buzzing back and forth all day.

Sometimes it’s quicker to get the oars out and simply row to the shore but for some reason most owners just equate the inflatable with an outboard. I can’t tell you how many times I have seen a couple struggling to get the engine off the boat and onto the dinghy, then of course the engine won’t start or needs filling with fuel. It really would have been much less effort to paddle ashore!

Inflatable kayaks: Some people like kayaks for a dinghy and in some ways they are much better than an inflatable. Their more boat like shape means that they paddle well so you do not need an outboard. They deflate and stow easier too as they generally do not have solid floors to worry about.

Hard dinghies: The best bet from a performance point of view is always a hard dinghy. They are tough, usually have built in buoyancy (which can double as waterproof containers) row well and take an outboard. The down side is that they are heavy and hard to stow. If you use a dinghy a lot and have space for it, a hard dinghy is the best. It can also be converted to a sailing boat and that is excellent fun.

Nesting dinghies: This is a hard dinghy in two (or more) parts. The idea is that one half fits inside the other for stowing. This gives all the advantages of a solid dinghy but with a few more options for stowing. Some can be converted to sailing boats but they are generally heavier.

Folding dinghies: There are a lot of folding dinghies and if well engineered can be just as good as a hard dinghy. The downside of the folding dinghy is usually that it cannot have built in buoyancy so will rely on an external system such as buoyancy bags. Some can also sail. Often they are complicated and slow to assemble and have essential pieces which can get lost. They can also be very costly.

The best choice for me?

With the above information, you should be able to work out what kind of dinghy would best suit you and your situation. For example, if you want a dinghy that can sail, then you won’t be choosing an inflatable dinghy. If you want one that also rows, again the inflatable is not your best choice.

For me, the best dinghy that I could have would be a solid one because it can row and sail well. But the problem I have is where would I store such a dinghy aboard my boat? The answer is that I can’t! I have tried inflatables and while I appreciate their stability and buoyancy I do not like the fact that they don’t row well and can’t sail. Nor do I like their folded bulk or weight, nor their popularity with thieves!

What is best for me is a hard dinghy that can stow. So I am looking at either a nesting or a folding dinghy. Over the last 20 years I have tried all of the above suggestions and each has its good and bad points. It’s for you to decide which features you can live with and those you can live without.

After the basic fact that I have to be able to stow and deploy my dinghy easily, there’s no doubt that the ability to row and sail is high on my list of priorities as is stability. At the end of the day I have had the most success with folding dinghies. They just make so much sense.

 

Looking in detail as some of the choices of dinghy

The Inflatable Dinghy

The inflatable is the most common form of tender. There are many reasons for this as we have already discussed but one of the main reasons for their popularity probably has to do with cost and availability. The market is saturated with models from many different companies, there’s so much competition that prices are kept generally low and you will find inflatables for sale in every ship chandlers the world over.

Prices start from about 300€ which is about as cheap as any dinghy on the market but because they do not row well and cannot generally sail one must also cost in the price of an outboard engine. Even the smallest outboard engine will cost at least 400€. Then you must ask yourself where will you store the outboard when it is not in use? You may have a locker you can put it in but outboards are smelly things and the smell can end up penetrating the rest of the boat which is not pleasant. Many people fit a bracket to the pushpit at the stern where the outboard is stowed. This will mean the addition of a bracket (and more cost) plus the outboard will be always out in the elements which will quickly degrade it and lower its value. You can of course get a cover made but again this all adds to the cost.

The outboard on a bracket also adds weight and windage where you don’t want it. It might even get in the way. It is also vulnerable to theft and makes the boat look fussy. It will certainly need a lock to deter thieves but unfortunately a lock will not stop a determined thief.

Blowing up and deflating an inflatable is a miserable experience. Most dinghies come with a foot pump but they are very annoying to use and it can take as much as 20 minutes to inflate even the smallest boat with one. They are also very badly made and generally break or leak after a very short time. An inflatable boat that cannot be inflated is as useful as a chocolate fireguard!

There are other options of course. The hand operated pumps that you stand on are a much better way to inflate a dinghy but again, it’s more cost and they are quite bulky. Or you can buy an electric inflator but they cost and need power and worst of all are extremely noisy. Making this kind of noise in a peaceful anchorage will not endear you to your neighbours.

Inflatables are generally pretty tough and hard wearing but they don’t like to be left out in the sun. Being regularly folded also puts creases in the fabric which in time can cause leaks. The most common problem with inflatables is that the transom comes unglued. Small holes can be repaired easily with a patch and there are products that can fix quite big tears with a clamping system.

So I think you can see that the inflatable seems like a good idea at first but once you consider the realities and extra costs and hassle involved you might want to think again. If you can leave the dinghy inflated at all times with the engine fitted then the inflatable makes a lot of sense but not many boats are big enough to allow this.

The cheaper inflatables have a simple rubber floor which is very flexible and very annoying because it is always moving. When water gets in (as it will) you will get wet feet as the weight of your body will always create a low spot where water runs to.

The next step up is a slatted floor. This adds cost and complexity and makes the stowed package a bit more bulky and heavy. It is still far from ideal as you will still have your feet in water. The nest step up from slats is an inflatable floor. This works very well giving the boat good stiffness and it also means that you have a chance of keeping your feet dry. The down side is that it adds weight and takes longer to inflate. An inflatable floor adds cost too.

The ultimate inflatable is the RIB (rigid inflatable boat) which is basically a narrow hard dinghy with inflatable sides. Obviously these are heavier, more costly and do not roll up although the sides can be deflated to reduce its size a little. They offer the best performance of all inflatables.

There is one last kind of small RIB that needs a mention, it’s a jet boat, a sort of mix between a RIB and a Jetski and I for one have never understood why anyone would buy one. They have an inboard engine which takes up loads of interior volume and are hopeless to manoeuvre. They are noisy and smelly and expensive and heavy and frankly make a very poor tender for any yacht.

 

The Hard dinghy

The hard dinghy is the best performer of all the dinghies you can have. They can be rowed, sailed, motored or even sculled along. They are tough and much better looking (generally) than inflatables and can be painted to match the mother ship. They are most often made in wood, ply, alloy, plastic or grp.

The biggest problem with a hard dinghy is that they are heavy and bulky in as much that they do not reduce in any way for stowing. Some hard dinghies can be modified in shape to fit on a certain place on deck. If you have space you can maybe store the dinghy inverted on the cabin top. The bigger boats store them upright and stow things in it and then use a cover to stop water getting in. Stowing the dinghy the right way up makes it quicker to deploy.

If there is no room on deck then you may be able to use davits. These are basically arms normally attached right at the back of the boat that are used to easily lift the dinghy out of the water even with an engine still fitted. It is a quick and easy system that often uses a purchase to make lifting the weight easier.

The problem with davits are many fold however. All that ease comes at a price. Firstly the davits will need to be attached to the boat. Because of the weight and leverage involved they will not only have to be strong but more importantly so will the boat where they are bolted on. It is entirely possible that the boat will need to be reinforced before davits can be used. This obviously adds cost and weight.

Once the davits are in place you will then discover that your rearward visibility has been seriously compromised. This is more than just an inconvenience, it is also potentially dangerous as you are just as likely to get run down from behind as anywhere else! Also if you moor stern to, such as in the Med a dinghy in davits off the stern will mean you will have no choice but to moor bows to.

The boat’s sailing performance will also be seriously hampered by a dinghy in davits, not only is that a fair bit of weight very poorly placed high up and right at the stern but it will create a lot of drag, no problem if you are always running downwind but as we all know reality just ain’t like that.

There is also a chance that the boat and the dinghy can be damaged by wave action as the boat is completely vulnerable stuck out the back as it is. A dinghy in davits must be very well attached and tied up to the davits so that it cannot move under any circumstances but it will also need a cover to keep water out.

The last point is that if you do have a problem with the dinghy in davits you might find yourself hanging out over the back of the boat to deal with the problem. This is not very wise and quite dangerous.

So as you can see, the main problem with a hard dinghy is where to put it when it’s not in use. Hard dinghies are available to buy ready made, in kit form or available for home build from plans.

 

Nesting dinghies

Nesting dinghies share most of the attributes of a hard dinghy but with the advantage that they can be effectively cut in two and stowed one half inside the other to reduce their size. They are probably going to be somewhat heavier than a standard hard dinghy as they have a join which tends to add complication and weight.

Sometimes the shape of the dinghy is compromised by the nesting action. Generally the bow section is made to fit into the stern section but this sometimes leads to a compromise bow shape that lacks buoyancy and reduces interior volume.

One of the biggest problems with nesting dinghies is the rowing position which is often logically placed above the join but is often too far forward. It may work fine with two occupants but it may be very bows down when rowing alone. It’s a small detail but where you sit when rowing in a small boat makes a fantastic difference to the way it rows.

Sometimes nesting dinghies can be somewhat complicated to assemble and it may not be possible to assemble the boat in the water. If this is the case, the dinghy cannot be launched easily in two halves so you will have to struggle with the weight of the complete boat.

Obviously nesting dinghies will be more costly than an ordinary hard dinghy. But if you insist on a hard dinghy but don’t have much space perhaps a nesting dinghy is the way to go. Even if it cannot be assembled in the water it will probably still be faster to assemble and launch than it would be to inflate and launch an inflatable dinghy.

Most nesting dinghies have some kind of built in buoyancy which is safe but reduces interior volume and adds weight.

Nesting dinghies are available to buy ready made, in kit form or available for home build from plans.

 

Folding dinghies

Ever since Noah, people have been looking for the perfect dinghy, one that does everything a good dinghy should do but weighs very little and packs away easily to a small package. In some respects folding dinghies are the closest mankind has ever come to this utopian dream. Not surprisingly there is a large choice of folding dinghies made from many different materials.

There are many designs to choose from some made of wood or alloy, some with a framework and a canvas type of material. The more solid versions are often heavy and take some time to assemble with many parts needed which make them difficult to assemble on the limited space of a yacht deck.

There are so many different types of folding dinghy that it is hard to generalise. Some can sail, some can take an engine, some can plane, some are extremely tough, others less so. Some can be assembled in moments, others take a bit longer. What they all share is the ability to reduce in size massively to make stowage easier. Most folding dinghies row well and certainly better than any inflatable.

Some folding dinghies are very tough but if they are tough it means that they are heavy. The lighter versions use a fabric that is similar to an inflatable and can be damaged through misuse but like the inflatable they can be quickly and easily repaired if holed.

Folding dinghies do not have built in buoyancy although they may float depending on the material they are made of. However it is easy enough to add buoyancy bags although this does make assembling them take a bit longer.

They are available to buy off the shelf, in kit form or even for home build from plans.

 

Looking at some available dinghies

 

Inflatable dinghies

Inflatables are available to buy anywhere in the world and the choice of boat is enormous. Generally they are all similar in shape, colour and ability but with differences in quality and details. Some of them are very high tech

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This is a typical inflatable boat. This one has slatted floors which offer some rigidity to the floor but not too much weight. It also allows the boat to be easily rolled up. Often inflatables have the oars always attached but more often than not the oars are not of a good quality. One of the reasons why an inflatable rows so badly is because the oars are too short.

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This is an inflatable boat with an inflatable floor. It makes for a much stiffer boat and it’s possible to keep your feet dry. The bulkiness of the floor (even deflated) makes the boat more bulky and heavy when rolled. If you add one feature, you lose another. This is true for all boats.

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Here is the classic Avon Redcrest. It’s been around for decades and has a dedicated following. What makes it different from most inflatables is that it has a rounded shape at the stern. The problem with this is that although you can add an outboard the force of the engine makes the tubes move and the motor can flop about. That is why most inflatables have pointed ends so that a solid wooden transom can be fitted.

Hard dinghies

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The clever Walker Bay range of hard dinghies. Made from super tough moulded plastic and easily converted to a sailing dinghy. The only real problem with hard dinghies is where to stow them. Even an 8 foot hard dinghy will be too hard to stow and lift aboard most cruising yachts.

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The Elterwater Pram dinghy. These can be built from plans or you can buy a kit of ready made pieces to glue together. Available from Fyne boat Kits.

There are a huge amount of hard dinghies available on the market in all shapes and sizes made from any number of materials. Most will row well and some can be sailed. If you have space and don’t mind the weight then a hard dinghy may be for you.

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For those who insist on a hard dinghy there is the Woodenwidget Deckster with its removable front section that allows it to be stowed around a mast. Even though the Deckster can be nicely stowed it still shares all the other issues that hard dinghies have such as being heavy and reducing forward visibility. It does however row, sail and motor and can even use the revolutionary Hobie Mirage drive.

Nesting dinghies

 

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This is a true hard dinghy but it comes in two pieces. One side nests inside the other. nesting dinghies share all of the issues with hard dinghies but often have additional issues. Sometimes the hull shape is compromised to allow one side to nest inside the other. The join adds complexity and weight. Nesting boats cannot always be assembled in the water. This one comes from Nestaway who have an impressive range of nesting boats. The weight of this boat is about 50 kilos which doesn’t sound much until you try and move it about.

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The Woodenwidget Stasha. The lightest nesting dinghy in the world. At just ten kilos it’s child’s play to move around. Made from an ash framework then covered with heat shrink Dacron it rows, motors and even sails extremely well.

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The Woodenwidget Stasha nested. The Stasha is unusual for two reasons, one; it can be assembled in moments either ashore or afloat and it’s the rear section which nests inside from front section. This makes for a much less compromised hull shape and a more balanced rowing position.

 

Folding dinghies

 

There is a huge range of folding dinghies. Some, like the Seahopper are more like hard dinghies that fold. Others like the Woodenwidget Fliptail are super lightweight for ease of use.

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The beautifully made Seahopper folding boat. This is like a hard dinghy that can fold though it must be said it is fairly longwinded and complicated to assemble and there are many pieces involved as you can see from the pic below.

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A great folding boat though a bit complicated but if you want a folding boat that behaves like a hard dinghy then this would be ideal.

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Here’s the Flapdoodle folding dinghy which can be built from plans.

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This is the Porta-Bote a polypropylene folding boat. It looks a bit strange but has sold in the thousands over many years. Super tough and light but it still has extra pieces that need to be put in place. Not the cheapest folding boat available but it is quality.

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Here is the classic Woodenwidget Origami folding dinghy. They don’t come much more simple than this. Available in two sizes (6’ & 8’) they are available in plan form only but the boat is so simple to make and the plans so comprehensive that almost anyone can build themselves one. They might look a bit box like but they are surprisingly stable and work very well indeed.

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Here is the Origami 6 when folded. At just 15 kilos it’s one of the lightest folding boats you can find. It has built in carry handles so is very easy to carry.

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Here is the Woodenwidget Fliptail 6 and 7 foot versions. Like all Woodenwidget designs they row, motor and sail. Pretty, light, stable, tough, easy to assemble with no extra parts to forget (all pieces needed to erect the dinghy are always attached to the boat) the Fliptail has to be one of the most versatile folding boats in the world. Available to build from plans.

So there you are. I hope a fairly comprehensive explanation about the compromises one has to make when choosing a dinghy and a basic oversight into what is available on the market. I hope it has been of help to you

Categories
Bicycles boats

Folding boat towed by folding bicycle

The Fliptail 7 towed behind a Brompton folding bike

Maybe it’s because I live on a boat that the idea of things that reduce in size for easy storage appeal. After all, if I didn’t have a Brompton, I wouldn’t be able to have a bicycle aboard. For that matter, if I didn’t have a folding dinghy, I wouldn’t have space for a tender either.

It seems amazing to me now that I have waited so long to get this idea together as it’s so obvious I wonder that I didn’t think of it before. The marriage of a human powered bicycle and a human (or wind) powered boat is just great.

The Fliptail 7 from Woodenwidget.com weighs about 18 kilos which is no problem at all for the Brompton. On the stem of the Fliptail there is an eye bolt and on the aft end of the Brompton rack is a pin which the eye is simply dropped onto. The weight of the boat keeps it in place. There is plenty of ground clearance and the turning circle isn’t bad for a vehicle which is over 10 feet long either.

The pin on the rack doesn’t make the Brompton’s folded size any bigger but it does interfere with the bike when the swing arm is swung around. The bike still stands on its own but is not as stable as when all 4 rack wheels are on the ground. The answer I suppose is some sort of easily removed bracket.

The trailer attachment is made of alloy tube and is light and also folds away for easy stowage. It can be used equally for the road or even for launching and retrieving the boat. The Fliptail can be folded or unfolded with the trailer in place. It simply attaches to the boat’s transom where the outboard motor would normally go and could be fitted to any boat so long as it has a flat transom whatever its thickness.

This combination is perfect and I see no reason why you couldn’t go quite a long distance with the boat behind the bike. You can feel the weight when you first start to pedal but you soon forget the bike is there, at least on a level surface. The oars rest naturally in the boat and you could just as easily also add the mast and sails etc to the boat as well making the Fliptail 7 amazingly versatile.

When you get to the camp site you can even use the erected dinghy as shelter to sleep below. The folded Brompton takes up little space inside the boat so you could peddle up stream, put the boat and bike in the water and paddle or sail downstream. When you get where you are going you simply haul the boat out of the water, fold it and hitch it to the Brompton and off you go again. This is camping luxury!

The best bit is that there is no pollution! A bicycle and a row boat. Wow. Talk about setting a good example. Everywhere I go, people look and stare. And I’m not surprised really, it’s not something that you see everyday. More’s the pity.

The trailer attachment is not yet available, though Woodenwidget will soon be offering plans to enable a DIYer to make their own. If you are interested, please drop them a line, maybe if there is a lot of interest, they can be persuaded to speed things up a bit?

If you want to know more about the Woodenwidget range of dinghies for the spatially challenged, please visit Woodenwidget.com and check out their range of clever little boats.

Here’s a link to an article I wrote about the Brompton that you might enjoy too.

Categories
boats

Woodenwidget launch the Fliptail 7

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The Woodenwidget Fliptail folding dinghy. Available in 6 and 7 foot versions.

Looking for a small and light yet competent and stable little dinghy for your yacht? Or a easy to transport craft that you can use to go fishing in? Or amuse the kids during a camping trip? Then look no further. Woodenwidget, already famous for their range of dinghy designs for the spatially challenged have introduced the Fliptail 7 folding dinghy.

The Fliptail 7 really does everything. It weighs only 18 kilos and has built in handles which make it really easy to move. It folds flat in moments ensuring that you can find a place to store it wherever that may be. There are no separate pieces to get lost. All the pieces needed to assemble the dinghy are always attached to it.

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The Fliptail 7 under sail.

It can carry three people and it rows well. The floors are off the bottom of the boat so you never get a wet bottom. If you don’t want to row then you can even fit an outboard motor of up to 3.3 hp. With this engine, the Fliptail can plane at speeds of up to 14 knots! If noise is not your thing then you can easily adapt the Fliptail to a competent little sailing boat with a lift up keel and a free standing mast.

So what’s the catch? You have to build it yourself! But actually that is not so hard as it sounds as one of the great things about Woodenwidget plans is the way that they have been created to lead the builder through the whole process in a step by step manner using just simple measurements. You do not have to have any prior boat building experience at all. All you need is a bit of confidence and the ability to use a jigsaw and a plane.

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The Origami 6, mast and sail on a Fiat 126.

All aspects of boat building, from using and sharpening tools to mixing epoxy glue are discussed in the plans. Every step of the build is illustrated with quality pictures taken during the actual build of a dinghy. Plans cost from just £25 and Woodenwidget will even plant a tree in your behalf for every set of plans sold.

Other designs in the range include the Deckster, a hard dinghy with a removable section which allows it to be stowed at the foot of a mast. The Deckster can be modified to take the revolutionary Hobie Mirage drive to propel it. If you want a super light dinghy, take a look at the Stasha. It’s the World’s lightest nesting dinghy weighing as much as a baby bird! ( A wandering Albatross chick weighs 10 kilos!).

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The Stasha nesting sailing dinghy. The rear section comes off and fits inside the front part for easy stowing. Both sections float independently making the Stasha easy to assemble ashore or on the water.

Maybe you want the simplest folding dinghy? Then the Origami is for you. Made from plywood and PVC cloth, the Origami is well proven and much tougher than it looks. It comes in two sizes, a 6 and an 8 foot version.

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The classic Origami 6 on the plane with a 3.3hp motor. Speeds of up to 14 knots have been registered.

So if you always fancied building your own boat, then maybe now is the time. It’s never been easier.

Please visit www.woodenwidget.com  to learn more. There are also plenty of revealing videos on the site showing the various dinghies sailing, rowing and planing.

Categories
boats Leica m9 Uncategorized

Filming using a remote control drone

The sailing regatta at St Tropez in October is always fun. It’s the last one of the season and everyone is looking forward to a well earned break at the end of it. Frankly I don’t know how the crews do it, racing everyday and drinking every night. They do this for 6 months of the year but at St Tropez it gets a bit mental. The atmosphere is excellent and there’s always something going on.

This year, I met the team from airmotion.ch through a friend. They have a remote control drone that enables filming with a new and unique view that often can’t be obtained any other way. The ‘drone’ they use is cutting edge and full of electronics which enable the camera platform to always remain level thanks to a pair of gyros. It can rotate, tip up and down and sway from side to side. Obviously there is also control of the platform remotely as well. 

Naturally I offered my new Fliptail dinghy as a perfect subject to film and they were happy to oblige as they were looking to build up their portfolio with interesting subjects and besides they are young with tons of energy and so we set off with fresh batteries to Port Grimaud, a kind of French Venice with canals and houses with boats moored at the end of the gardens. Amazingly it gets over 1,000,000 visitors every year. What better back drop to film a small sailing boat?

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The boys from airmotion fly the drone from a boat at sea. That takes balls! Note the extremely high tec floatation devices attached to the drone. (water bottles filled with helium for extra lift. Not really, I just made that up!)

The drone has 8 arms and at the end of each is a brushless motor driving wooden blades, with a mix of left and right handed rotation. The whole thing weighs about 5 kilos and can lift almost its own weight in equipment. The very expensive Lithium Polymer batteries need special care as they are liable to exploding or bursting into flames if not respected. They are even charged in a special fireproof box. Everything about the drone is high-tec.

It can fly as high as 3 kilometres! but at this distance you can no longer see it so must rely on its built in GPS to bring it home. It can move forwards at speeds of up to 60 kph. It can stay aloft for as much as 10 minutes on one battery but normally less to ensure a decent safety margin, after all, you don’t want this highly expensive and fairly delicate tool to fall out of the sky. The whole bundle, which includes, cases, chargers, spares, batteries, video screens, computers, cables and connectors represents a hefty investment.

What makes the drone so interesting is where it can go and how easily it can be transported to any location. The obvious uses are for all sorts of aerial photography and also for film making but with different cameras attached could even be used to film buildings with infra red to see what areas need better insulation. It’s uses are only limited by the imagination. The drone isn’t silent, those 8 blades thrashing the air make some noise and moves a surprising amount of air and in fact twice we heard someone say that it was noisy but I’d rather listen to the drone for 5 minutes than a helicopter for 1 minute. It’s really not that loud but can’t be missed, at least at low heights.

A helicopter is all very well but they are hideously expensive, to buy, own and maintain, never mind the huge amounts of fuel they use. If you wanted your posh villa filmed a helicopter could do it, probably with only one pass only and it will be very expensive. The drone has the added advantage that the customer can see the view from the drone and get involved with the end result.

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The drone on display at Port Grimaud. It has red and blue led lights so you can see it easily when flying it at night. Seems strange to see wood on such a technical bit of kit but they cut flesh much less than the plastic ones I’m told.

Airmotion’s drone is a serious and professional bit of kit with a wingspan of over a metre. This gives solidity and stability. Even with the drone flying about all over the place the image remains stable and smooth. There are not many of these drones about and there may not be. The reason is more to do with the skill needed to fly one of these things than the financing required although that is a major consideration.

It costs 1000€ a day to hire the drone which seems expensive until you consider the alternatives and if the alternatives can’t work where you are for any number of reasons, then a drone might be the only realistic way to get the job done. When you consider that you are paying for one pilot and one artistic director/photographer and the use of a very expensive bit of kit it starts to look like very good value indeed.

We had a lot of fun and attracted hundreds of people which leads me on to the main disadvantage of this as a photographic tool which is that people will point, stare and take pictures of it. It never occurs to them that here is a big bit of kit flying at speed with no less than 8 fast rotating blades (they are not called blades for nothing!) and seem to have no fear.

On one trip we did at sea one old man on the foredeck of a French cruising boat dropped his pants and stood there proudly presenting his manhood for us to film. Maybe the novelty will wear off but I doubt it. There is no doubt that airmotion will have a lot of success in the south of France if this week is anything to go by. If you need their services, just get in touch. I am sure they can help you.