Posted by Michael Ignat on March 05, 2006 at 15:07:40:
In Reply to: Re: S.A.P of worms posted by lbmakem on March 05, 2006 at 11:43:56:
I think (for that purpose only) you could simplify by using a diameter below SAP:
SimplifiedWormSAPdia=WormOD-4xWormAddendum, where WormAddendum=WormWholeDepth/2.2, covering most cases.