RE: Cannot find: 2.5 (2.4) inch Square PVC pipe
Well, I found the motherload! Visiting a local small town's Home Hardware... going on a Flying Club Members lead I found as much as I needed. It was out back in a locked trailer, but I grabbed 4 12ft peices and snickered all the way home.
Since then, I've managed to crack a wing and started putting it back together today. I removed all the nice coverning and now thinking it might have been a bad idea. I was going on someone elses idea of using just paper covering, painted. I tried brown paper. The glue just shriveld the paper rending it useless.
I'll figure it out.
Thanks all who replied.