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Permalink Reply by Don Hanson on July 11, 2011 at 11:29am

  I designed a whitewater boat that I never got around to building full size.  I 'copied' from an open ocean dory I saw, one that was rowed across the Pacific, if I recall correctly.  The basic concept of this  ocean rowing craft was that it be totally self-righting for the rowers, who expected to be 'rolled' often during their crossing.

  The bow and stern had decks that were crowned and quite high above the gunwales at the centerline.  Much as if you  strung a line, stem to transom, and  then bent the deck frames to go from the gunwales up to the line...like some of the casting braces you see, but water tight except where you sit and row.  When the boat goes upside down, it wants to roll  right back over because it is unstable in the inverted attitude.

  The fellows who rowed across the pacific, they used these decked spaces as cuddy cabins to sleep inside and to simply button-up, during gales...They said they were frequently rolled by breaking waves and the boat always simply rolled back up...Be pretty handy in big water on a river, eh?

  The model I made to get the lines, it looked a bit strange in profile...lacked that beautiful dory sheer line...which I think you could fix (the looks)  with a carefully selected paint job..My model never got past the flat spray can paint stages...

 

Don Hanson

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Permalink Reply by Dave P on July 13, 2011 at 10:16am

I got my plans from Andy H. And for a beginner boat builder the plans AND advice were worth the cost to me. http://web.mac.com/kthompson20/iWeb/High%20Desert%20Dories/Welcome....

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Permalink Reply by Kelly Neu on July 13, 2011 at 10:37am

I built my whitewater dory from Lonnie Hutson's designs.  He has a Grand Canyon boat that is really sweet.  He won't have plans but he may have some measurements for you.  You can see his boats on his outfitter site: sundogexpeditions.com

-Kelly

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Permalink Reply by Ben A. Hayes on August 18, 2011 at 5:17pm

Any update on plans? I am also looking to build stitch and glue a decked double-ender, essentially a mini GC Dory. I have an 18' centerline double-ended Briggs aluminum boat, but want to build on that is 15'6" and more suited to fishing in NW Rivers, while still having big-water ability. About the only thing I can run the Briggs boat down in the lower Salmon, Deschutes, and Hell's. Any research you've done on plans would be appreciated, especially if you have any leads on stitch and glue. Thanks,

 

-Ben

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Permalink Reply by lhedrick on August 20, 2011 at 1:51pm

I wouldn't focus on stitch and glue.  It is only  a construction technique and can be applied to any type of hull.

 

As for a 15'6'' version of you 18 footer, I don't see that as being a fishing platform.  Make it shorter and it will just sink down in the water more which is not good for late season fishing in low water.  

 

It sounds to me like you are looking for a 54 of 56 inch bottom McKenzie setup. 

 

Why the decked double ender for more modest water?

 

With late season low flows the boat needs to float high, so decks which add weight will work against the idea.

 

I really can't see a "little briggs boat" being very practical.

 

It's also possible I don't understand the application you are describing.

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