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Kayak and Canoe Design Bulletin Board
Re: baidarka modifications to Chesapeake 17LT
Posted By: Nick Schade In Response To: baidarka modifications to Chesapeake 17LT (Gordon Price)
Date: Tuesday, 11 May 1999, at 9:22 a.m.
It is a little hard to visualize exactly what you have in mind. It does not sound like you are making changes that will significantly change the performance. Performance in the water depends on what touches the water. From the sounds of it, the changes you are thinking of will have more effect above the waterline than below.
An Aleut baidarka has a somewhat fuller stern than other designs. This is more than just chopping the end off. There is nothing particularly magical about the bifid bow for a plywood boat. You would probably want to reduce the rocker in the bow to make it have an effect.
My brother recently finishe a S&G baidarka. Follow the link below for pictures
> Hello all, I am newly addicted to kayaking, and not in a position to
> perchase a boat. However, I can afford to build my own. I like the Ches
> 17LT, but I also like the look and performance of the baidarka shape. My
> though is to modify the Chesapeake as follows...> Stern: Cut off the stern as if for a rudder istallation. Place a 3 ply
> sandwich of 4mm marine plywood as the "fixed rudder". This piece
> would extend into the body of the boat and connect to a small bulkhead.
> The rudder piece would be held in place with hand shaped blocks on either
> side (which also provide the final shape of the boat as it narrows down to
> the flat rudder portion. The area between the blocks and bulkhead, all
> around the rudder connection, then becomes an end pour.> Bow: Trim the upper hull panels so that once connected, a slot 12mm wide
> exists from the bilge panels up to the shear clamps. A three ply bow piece
> comes thru this slot and back to a bulkhead, similar to the stern. This
> tripled extension sweeps forward and defines the basic shape of the bow
> extension. An addition ply on either side is trimmed to fit snuggly
> against the standard hull, and comes forward to define a bit of a bulb,
> which does not sweep up.> I have a few questions related to this idea.
> 1. Is this likely to affect the performance of the boat, making it more
> baidarka like (better handling of waves, better stracking, etc.)? Or does
> the entire boat shape need to change, and I am only making cosmetic
> changes?> 2. Does the construction as described make sense? My experience is
> carpentry and architecture, so I am trying to apply that to boatbuilding.> 3. Will these changes affect structural integrity of the boat overall, and
> will they be strong enough themselves?> Thanks for any advice or suggestions.
> Regards, Gordon Price
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