John   The product you are thinking abt is "backing rod" available in
1/4"  diameter up to 2 " here.
Very flexible, very cheep and is used for filling voids before pouring
concrete..should be ideal
for making an intake mould. New kid on the block here....in south
Mississippi, any rotary power
aircraft within 200 miles ??  Chas

Chas,

I'm currently searching for an RV-6 project to install a rotary in. If you make
it up to Jackson, stop in at Slobovia Outernational & say hello.

Charlie England
cengland@netdoor.com

 
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