Ingnition rotor

[mgbrv8]

I have a friend with a Porsche rsr and needs a rotor made its seems to be a redish brown plastic im assuming backalite. What kind of plastic should I use to make it any advice would be greatly approciated. I don't want it to shatter during use.

Dave

 

[ShedBoy]

Acetal is good stuff
http://en.wikipedia.org/wiki/Polyoxymethylene

I get bar ends from a bin at a machinist I know, good stuff and machines liek butter.

Brock