In the chapter you will find and download very simple plans necessary to achieve this small fishing boat. The stern is created by wrapping plywood into a dramatic duck-tail, which not only holds a wave nicely, but is spectacular to behold. Salmo 15 can be fitted with additional outrigger (one side float) which makes the boat very stable and safe.
Wooden Boat Plans for Amateur Boatbuilders – Excellent Performance, Simple Construction, Step by Step Instructions Australia, USA, UK, Hungary, S. The other is the simplest and cheapest plywood canoe that would still look good and work well – the Quick Canoe. Generally the lower end of the prices is building in Canada or the USA where materials are a lot cheaper than the rest of the world.
The things the two plans have in common are the detail in the plans – anyone can build either of these boats following the step by step instructions.
The Eureka is based on classic canoe touring shapes from a time when canoes were used for real transport. One builder who has done quite a bit of canoeing told me he was pretty happy with 420 to 450 lbs but would not go much over that with his use. He is desperately trying to find free plans for his first attempt at building a canoe so he can try it out before spending heaps of money on the Eureka (which of course is what he wants at the end of the day). If you would be so kind as to let me know if this would be possible it would make an excellent birthday present for his 40th birthday in 3 weeks.
I am sure that there are some carefully designed free plans with good information on the net somewhere, but even I don’t know how to find them amongst poorly designed and conceived ones with little help and support for builders that proliferate. One of the few ways you can be sure you are getting a good plan is to see if you can find people building them.
If I had a new design that needed to be tested I would consider asking your husband to build one. Actually, I backed into the PDR scene by going to your website to find Beth, but got sidetracked into the whole PDR thing. Beth, my sailing canoe plan, has good sailing manners but will capsize unless you are a very experienced racing dinghy sailor – if you can sail a Laser in 25 knots then BETH is more forgiving than that and gives a Cadillac type ride. The Eureka is more building and materials cost – it is so nice it deserves good materials. You will be able to see most of the pics and videos, but would have to be a member of the woodwork forum to see all of them – they are a good group and my forum has some of the best discussion on building and using boats that you will see. I am leaning toward the Eureka, as I am familiar with working with stitch & glue and epoxy, and love working with really nice Okoume (Gaboon?) ply. I have emailed with Paul, and I think the best thing for now is a Quick Canoe with your drop-in rig.


I appreciate your very detailed instructions, and even though I have built several boats, your instructions always remind me of something I need to have remembered, but didn’t. A lot of them are just insurance to make sure things don’t go wrong and the build will be smooth. MIK, I have purchased the plans for the drop-in sail rig, and also downloaded the free paddle plans. The drop in rig has about 26 (I think) sq ft of sail which is quite conservative and will be Ok on either boat. But the basic sail rig will not produce something that is too tricky with either the Eureka or the Quick Canoe – so start with that. You don’t need a table saw or router if you can buy the timber close to the finished dimensions you need.
Lohring Miller SamSam 10-17-2013 01:30 PM What kind of car is that in the background center of the photo in post #6?
FWIW, sheet panels take a curve that minimizes the total stored flexural energy, so a lot of the shape depends on how you restrain the edges. For some reason I cannot remember, I thought that the resulting minimum-energy curve is a 3th-degree polynomial passing through given control points. As others answered before, I think that Rhinoceros with the option of building developable surfaces is a great aid in designing boats to be built in plywood, whether stitch & glue or not. What I learnt a few years ago, and I wrote somewhere that I can not find at the moment, was to use the curvature feature in Rhino, to point all the areas with a radio of curvature bigger than a value given in Gudgeon's book that relates the thickness with the radii of curvature the plywood can be easily bent to.
Also, and trying to answer the original question, now I am just starting to peep at the wonderful world of Grasshoper for Rhino, and I think that it could offer the tools to simulate how plywood can bend, in an easier way that FEM can do it, that for some of us is still very far away and obscure.
I'm trying to reproduce the patterns of Tornado almost primitive way and using software such as Corel Draw and Sketshup (see attachments). I did not know the GVT Cat, I was impressed with its smooth lines, but I'm not finding anything about it on the web. If the axis of the bend is not perpendicular to the center line of the boat, the cross sections will show a curve.
Neither the service provider nor the domain owner maintain any relationship with the advertisers. Two leaflets are available for download: the plan of the boat (side and cuts) and the cutting plane of all parts in the marine plywood. After testing unsinkable, it only remains to be tested in rowing, sailing and with an electric motor. It may not match up to Mavericks, but late winter swells roll in for some really sweet rides. The nose has a fair amount of rocker with a relatively flatter midsection and just a little bit of tail kick.


I installed fins on my prototype in a tri-fin configuration, but you can install standard finboxes in the plywood in pattern suitable to your local conditions. These full size plans include patterns for all the plywood panels and forms needed to build a stitch and glue surf kayak. I know sappy story, but true…anyway, please let me know what we can do at this point to move forward with this dream of his.
It sounds like a nice boat and possible to do for someone who has never built a boat before. I paddled one 700kms doen the river murray, fantastic in flat water not so good when it gets rough. In reality it seems that the resulting curve of minimum energy is the one with linearily-varying curvature along the axis of symmetry of the curve, for a simple symmetrical case. In this way, Rhino would show, for example in red colour, complicated areas, and I could check the areas where I could have problems and take some action if the value of the curvature in there was very deviated from the ratio I knew we could bend the wood. In case of trademark issues please contact the domain owner directly (contact information can be found in whois). This inspired me to develop a wooden surf kayak so I could go out there and feel the wave energy lift me up and propel me along the break.
While there is a passing resemblance to a white water play boat, this design is intended for ocean surf. The complex non-symmetric curves can imo be divided into smaller symmetrical sub-regions and the above result would be locally valid for each region.
It's interesting that the result equates directly to a parametric cubic spline using the arc length as the parameter. The exact shape of the curve, as you pointed out, will depend on the restraints at its ends, but also along the curve. A very close approximation for most purposes is a parametric cubic spline using chord length between supports as the parameter. Many have been the times I was certain I was in for a thrashing, but my little Matunuck surf kayak just squirted out along the wave like a watermelon seed out of the mouth of a picnicker. And for a first time builder, are there any considerations I should contemplate in the spirit of being realistic before I take on this project? If you curvature match the curves then there is no tangencial intersection but the curvature of the curves is the same at both sides of the intersection so the intersection is much smoother then if a tangent is used.



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