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Poco Barta frame mods


even-keeled

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Hi, I am completely new to boat construction and have never been in a sea kayak. However, taking a 75 mile journey in a tandem Hobie pedal kayak piqued my interest in kayaks. I'm an airplane mechanic and a fan of vintage plane construction. I like the design of these Horton boats, especially the Poco Barta. I've lofted the offsets onto paper templates. 
  I like the idea of the kudzu comfort frames but the original offsets don't include the split design of the forward coaming support frame(9'3"). Using logic from Nimrod offsets and Poco Barta data, I made offset data for a lower mid-coaming frame. Is it appropriate to post those offsets here for review?
  I noticed later that the Poco Barta on the book's cover has this Incorporated and an additional mid-coaming frame that secures the forward end of the floor boards. 
  Also, I tweaked the design of frames 5'6", 6'5"and 9'3" a bit. Can those be posted here as well? Thanks

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I understand the risks of deviating from the engineering. I'm not seeking approval, just sharing ideas.With these, I'm attempting to reproduce the middle frames as seen on the book cover while keeping the frame openings larger. All original offsets unchanged except frame 9'3" lower removed as on the book cover.https://goo.gl/photos/cf6fByaYPB2VLhZK8

 

The extra frame with offsets

https://goo.gl/photos/i8T6mxqBrsJSoZ1c8

 

These two simply have the fanny beams horizontal

https://goo.gl/photos/nL7qp3b3FKKaHESJA

https://goo.gl/photos/wb42cXeTN9qdhjNTA

 

And the top of 9'3" arched up instead of down.  Bottom sides omitted.

https://goo.gl/photos/AaoJdL18vSX6po3v9

 

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Being a designer myself, I understand the allure of making changes and "improvements", but with so many Kudzu designs surely you can find one that suits you. I did, bought the plans and am very satisfied.

 

Everyone is motivated differently, though. Good luck with your project. - Ben

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