ORIGINAL: Dream_Flyer-RCU
Hmmmmmmmmm so I take it you are Building a WASP right? As far as the Fiberglass Cloth goes the BIG tradeoff is the fact that the automotive glass is much thicker and heavier than the glass you would use from the hobby shop. Happy Flying
4oz cloth is 4oz cloth (it's the weight per square yard of the particular weave).