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Depron ribbing

Is ribbing with depron a good idea? I dont have any balsa and I think thats what I need to do.
Anyway, does a depron wing even need ribbing? It's 5 foot long


Hostage Taker of Quads
Spar, yes.

Ribbing, maybe, but probably not. All depends on how well you want it to hold it's shape and whether you're going to cover it or not, and with what. With a rigid spar and a reasonable cord width, the airfoil should hold it's shape against wind pressure. It can still be crushed in handling, which covering or a few well placed thick ribs (hardpoints for you to grip or tiedowns) can help.