Posted by my set up is on May 11, 2003 at 00:51:11:
In Reply to: Good source for corks for Rotary linkage posted by CK on May 09, 2003 at 09:45:38:
black rubber on the push side and cork on the return side and this cork is stout that I got.
I have done several tests on the leftover cork pieces and so far the results are good with no detieration of the cork from oil and very strong.