Eric,
Since the spars are the key structural part of the wing, the foam is
really only there to provide a place for the skin to bond to. You can
use whatever foam you want, though things like location and type of
things like fuel tanks will play a part in that decision, ultimately
it's up to yo
I used 2 lb. density urethane.
Brad Ankerstar, SW Ohio
N774A, KR2R (Testing)
Hi,
I would like to know what kind of foam to use in kr2 building
uréthane,styrène,polystyrène or polyuréthane and what density
I know the foam must not be cut by hot wire because about production
of toxic gas (cyanidrique gas)
Some people can tell me what ref.. of foam i must to buy fr
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