"Cy Galley" wrote:

Shouldn't be much nitrate anymore unless you have cotton.

Join your local EAA chapter and find out who has or is building a tube and
fabric plane. They should be able to assist you.

Cy - the point I was making was the welder is faced not with a bare
fuselage on a turning jig, but if he were faced with a covered a/c
with engine and landing gear. How does he handle that? - Mike