We used two diffent fabric patterns and she installed a leather patch so the aileron linkage wouldn't rub through the fabric.
Brenda said it took 1.5 yds of double sided padded quilted fabric. She bought the fabric a Joanns using a 40% or 50% off coupon. even at that price the materials were about $20 per wing.
We are working on a fuselage cover that is simple yet exffective in providing padding to prevent dings and scrapes.
I do like Randy's idea of crashing more and not worring about the dings because you always have a new racer.