We specialize in quality wooden boat plans for home and professional builders, such as the 13’6” x 4’11” Nez Perce 13 motor boat. The Nez Perce 13 has been a very successful little outboard skiff constructed by many amateur builders in the US, Canada and even as far as Australia.
Here is 10 modern boat house designs that defies traditional assumption on how a houseboat should look like.
One of the most cutting edge boat house that was designed.  The 200 square meter boathouse uses an open concept inside the boat to let everyone staying inside the house have a clear view of the river.
This modern boat house design, designed by Sutherland Hussey Architects, came out of the competition and was showcased in RIBA and the V&A in 2005. Designed by prenger von der Lippe, this design takes the traditional wooden boat house and upgrades it with a modern twist. When designing a stitch and glue hull for plywood composite construction and all developable panels, how can one predict how the plywood will bend? Modeling designs in Rhino is one thing but I have no idea whether the wood will conform to the developable shapes I am modeling. Location: auckland nz bending ply Here's a jpeg of the bow sections of the CBSkimmer - in 4mm meranti plywood. Bending ply requires some patience and slowly increasing clamp pressures, plus a few judicious saw cuts in a couple of high tensioned areas (but watch out the whole thing doesn't explode like a spiked balloon). Location: maine To calculate how far a panel will bend, rip a strip of it and bend.
I've done coamings without steaming by laying them between two supports for a couple of weeks in the summer with weight bowing them down. Location: Utah Can anyone offer any insight into the phenomenon I described in my last post? I would also be interested to know if there is a commonly used term for this phenomenon, which would allow me to search on it to find more info. If you take a cut across a simply curved surface in any direction other than perpendicular to the curvature plane, you will be cutting across some portion of the original curvature. For prediction, I would imagine the amount is directly related to the angular difference between the section cut and the conic (if present) radial line or surface 0 isobend (don't know the term - 'contour' where bending = 0 ) factored by the amount of curvature or bending (perpendicular to the surface) that the panel has at that averaged (if twist) curvature location. The situation you are describing sounds to me like the conical development you will get anytime you induce twist into a rolled sheet. I use several surface development software packages to design hulls, and I normally export the design data into Autocad to finish the drawing.
I normally draw a fair chine in elevation and plan and then adjust the keel profile to suit, while adjusting the origin points of the conic projection lines. If I haver had to alter the lines in Autocad, I then go back to Prosurf or Rhino and change the lines accordingly so I check the hydrostatics. What I have found is that performing a conic projection produces a possible conic solution to how the plates will sit, but it is not always the solution that the plates will find.
There may be (certainly are in fact) much smarter people out there who know things that I don't about developing accurate cross sections.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals.

Location: South Africa Thanx for the heads-up Jeff, but I bought this software, its what I have now and I need someone to help design that cat with it for me. Location: South Africa Thanx for all the explanations guys, but that still does not show me in the direction of a offshore catamaran hull file more or less similiar to the one above that I can modify. Location: Ireland Hull Design Questions I happen to find myself in the middle of a powerboat design for the first time ever. Location: Thailand I do not use prismatic for planning craft hull shape design.
Location: Thailand Yes this is right, but on planning power boats the forefoot is never so deep as on sailboats with destroyer bow. Location: Ireland You have gotten directly to the type of hull shape I have mind - why not have hollow waterlines forward? Location: Oriental, NC Hollow forward waterlines offer an exponentially increasing buoyancy when running into waves.
Location: Thailand We did sketches of torpedo boat style hull recently, very similar bow concept to what You show.
I would have thought that was more an issue with sectional (vertical) volume distribution rather than longitudinal. I am not sure I think this type of hull is any better, I am sure it is just a styling thing, looks a lot better for my .02c. Location: Ireland Alik - thats exactly the sort of thing I am playing with, I see you have put effort into making sure those forward waterlines havent gotten hollow. As you know a great deal of the design decisions you make for any boat are tied to styling, and the bow shape of a powerboat is no different.
I don't think you can divorce bow from stern form in any boat, they play different roles but they still have to work together.
No, I don't worry about the CP of a planning hull, but it is very handy to set a target (usually .72) when you're at the preliminary sketch stage.
IMO Getting the LCB in the right place for the speed is the most important factor in creating a sucessful hull, but always within the styling boundaries you have set.
Thanks for pitching in, I really appreciated some of the info on your website when trying to get familiar with the tradeoffs at hand - in particular the form and function article, I guess nothing has changed in your target LCB's since then? I know if someone came from left field with an 'odd' racing sailboat design I would view it with some scepticism, so I am trying to work out the obvious flaws in my plan early, with all of your help!
Location: Devon UK We build RIBs in three different hull forms here at Explorer Marine, in sizes from 5 to 10 metres. Location: Upstate, NY Building A Raft From Scrap Wood And Barrels Whats goin on, my names jesse hicks, i am 17 and I, along with my friends have decided to build a raft from spare peices of plywood, 2x4, 2x6, crate pallets, and plastic barrels as flotation. CatBuilder Previous Member   I'd say have fun and just bring enough life jackets for everybody!! Location: Upstate, NY omg you have no idea how close this looks to ours now! Location: Upstate, NY heres an image i found on google which kinda looks like our goal, the only difference is our way of flotation and propulsion, i think we may tow it, if not just mouring it. Location: La Florida Maybe you should hang the firebox over the water to protect the raft.

Location: Newcastle-Upon-Tyne Before you close all other doors, consider other floatation options - barrels are very slow and inefficient. But there is something about boatbuilding in particular – watching the boat grow, take shape and finally sit completed on the shop floor – that is especially satisfying.
On the outside, a curvy design was employed to create a sexy look that stands in contrast to the peaceful surroundings.
The exterior design has been designed to take in maximum sunlight and exposure so that the people living inside can enjoy the warmth of sailing down the river. Leveraging on its water asset, the design turns the home into a water playground with a running waterfall and a circular stairway. Other plys will bend even further, like Hoop pine and of course the expensive aircraft plies in 1.5 and 3mm guages.
Any sheet material with conform to what is called a developable surface, whic is essentially a section of either a cylinder or a cone (or combinations of cylinders and cones).
The Wally and VSR (Adrian Thompson?) type of piercing shape works (I guess) for them with very light loading. The key issues are the bow forefoot shape and the bow deadrise angle, for rough weather bow entry. We are still brewing up our ideas together in which we will decide on the final design, however so far its looking like we will be setting up the raft in demensions of pallet size ( 6 pallets by 4 pallets ) and the propulsion is undecided, if there even will be. If you just want it to float, then these are great, but if you think that in future you might want to grab a pair of oars, then you might have difficulties.
Stationed at storm bay, the boat house exterior material reflects the lights off the river, creating a wonderful lighting effect.  Taking inspiration from industrial design, the Guertin Boat Port has a strong metallic structure that uses lots of concrete, stainless steel and glass. When you bend a sheet of ply, alloy or steel around the chines and centreline of most boat shapes, you will induce some twist into the sheet. Have you been onto any of the block download sites, like TurboSquid or CBEN to see if there is anything you can take and modify? The planing conditions - speed, porpoising, chine walking, stability and power requirements are determined by the stern deadrise angle and the spray rail designs. Most of the twist is where the chines lead up toward the bow, which is why you notice the effect most there.
The process of performing a conic development looks scary to a novice but gets earsier with practise.
Perhaps if you were to put up a start that you have made, people might be more inclined to help with elements of it.
Autocad makes it much simpler, as the origin points of the cones can be dragged around to find the best origin points. Or whether with less reserve bouyancy higher up there is a problem with stuffing the nose in? If you look at the frame sections superimposed on each other, as they are in the sections plan, then you will notice that the aft sections are more likely to be parallel and the front ones tend to fan apart.

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