Turk, you are correct, there are many "do not step" placcards depending on where you are and the underlying skeleton (wing spars and runners in this case) are critical...so is the frame on a Cobra. I was trying to point out that the aviation industry uses aluminum extensively and is very happy with it. It is much thinner guage than what Kirkham uses and holds up well. I am not a metallurgist, but I agree with Jamo, it's rep is worse than it actually is. It also highlights some out of the box thinking for repair as well. It also points out that the underlying structure is a very important "mate" to the skin.
So how is that 'glass boat of yours?
