Hi,



I didn't know if it was a 3 cells web, you have to make the spar junction with the upper and
bottom wing surface (or leading edge). What is your opinion about it ?
I put the .png on homebuiltaircraft and I open a thread on it on the EAA homebuilder corner.

Figures (formulas) are from Bruhn chapter on torsion.

Link https://drive.google.com/file/d/1NJW...ew?usp=sharing