Posted by: RubricOfRuin on Mar-31-13 6:00 PM (EST)
Calling a flexible, stap-and-buckle construction a "monocoque" is a bit steep. Take a milk carton and try to make it "fail" by pushing ends up and towards the center. Hard, ain't it? Now take another carton, cut the line on the top panel all the way to the sides and try flexing carton again. Line separates and carton fold "just like that". Only the boat is NOT a carton, its length to width ration is higher, which makes things even worse.
So in fact i take what I said back, the load-bearing skin construction in this case IS a monocoque - with a fatal structural flaw - one that that usually makes monocoques fail - the seam is in fact a "crack" in the monocoque that takes the stiffness out if it.
I was not comparing Orukayak to skin-on-frame, I was merely pointing out that as far as structural integrity is concerned the stress transmitted though the load-beating skin will cause seam deformation and potential leakage. The monocoque argument is very fitting here in fact to highlight the limitation of the design.
The Kayak Wing
Deck Rigging Gear
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