I actually got the graphite for pistons as part of a model engine project that came with "Hard to Find Parts" along with plastic, bearings, and other odd parts.
But I believe this .....http://www.use-enco.com/CGI/INPDFF?PMPAGE=376&PARTPG=INLMK3&PMITEM=422-1397
is the same thing after talking to a local machine shop that uses it all the time.
I like the new look on the forum.
I am looking for plans or drawings for the conversion of weedeater engine to fit and perform on a large scale RC plane.
Any directions to either Acad or pdf?
John, I did it years ago before the big engines got popular. It involves removing a lot of stuff that is not used and varies with the type of weedwhacker engine. Probably best bet is to Google it.