At 07:42 AM 5/31/2007, you wrote:
>Hi Darren - Let us know how it works - I am interested in doing the same
>to save a little weight and increase strength.
>
>-dave
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++=

The KR has proven over time to be quite strong enough using
the standard KR cloth.  With only one layer of glass from the
forward spar to the trail edge, and assuming probably the same
amount of resin, I don't see where the extra cost of carbon fiber
could be justified financially for the weight savings of the cloth
alone which, in all probability, will be about the same.  The weight
savings generally comes in using less layers of cloth, which in
this case. you can't do.

The weakest part of the wing is at the attach fittings.  Using carbon
fiber won't change that.  The chain is only as strong as it's weakest
link and you're not improving the weak link.  Carbon fiber is probably
4 times more expensive.  The difference would probably buy a nice
hand held radio.  :-)

Just a thought from the far side...........

Larry Flesner



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