Earlier, (Neal Fulco) wrote:

I was wondering if some weight
could be saved by making a wing
with a carbon fiber spar ( high
strength, light weight ) with
aluminum ribs and skins.

I'm pretty sure a way can be found to make it work. But one awkward
aspect is the mismatch in Young's modulus between the spar and the
skin. See my earlier post on this topic:

http://groups.google.com/groups?hl=e...g.goog le.com

[Huge nasty Google link. Must be all on one line.]

Thanks, and best regards to all

Bob K.
http://www.hpaircraft.com/hp-24