extra330+

Does anyone knows what should be the wall thickness on a wing tube either carbon fiber or aluminum for a 26% Pitts12. It calls for 3/4” OD x 36” but doesn’t mention the ID.

PiccoLino

Not that thick as the load is distributed onto the relatively small area of the top and bottom wing. The diameter and length of the tubes compared to single wing planes of the same scale tell it already. My 30% Ultimate has got aluminium tubes of 1.5 mm, carbon fibre tubes of 1.2 mm or whatever the market offers around these numbers should be okay.