Nick,

I built a Ziroli Panther a couple of years ago, first it was a ducted fan, then I converted it to a turbine with a P80. I had to add 1 1/2 lbs of nose weight with a fan engine. After I converted to a turbine it needed a little more wieght in the nose, you can't have it tail heavy!

Tad at Golden West made my exhaust pipe for me, he does a nice job, if he is busy call Tam at Tam Jets he does very good work as well. If you need info on the material they use, I'm sure they can fill you in.

Good luck,
Ken.........