On Monday, July 29, 2019 at 6:27:07 PM UTC-4, Charlie M. (UH & 002 owner/pilot) wrote:
OK....stupid question....most FRP works better in tension (from what I know) than compression.
Sooooo.....why is top layer of spar thicker than bottom (I will assume.....yes, I know what assume can mean....) since I will assume bottom of spar has more tension than top (which I will assume is in compression).

Not picking, just asking based on your post....

More cross section is required to resist buckling.
UH