On May 9, 8:43*pm, "Lew Hodgett" wrote:
"Robatoy" wrote:
I luuuuuv torsion boxes.

Moment of Inertia (I) *= (B)(H^3)/12 + 1/2(A)(D^2)

Moment of Inertia is your friend and easy to increase with a torison
box.

Lew

I used 1/2" BB all around, but I could have used 1/8" for the skins.