doug gray Member Joined Jun 6, 2010 Messages 13 Reaction score 6 Dec 20, 2019 #1 SCOTCH YOKE Designed by Bob Middleton. I redid Bob's plans into imperial sizes seems to be a great runner. Still needs lots of clean up.
SCOTCH YOKE Designed by Bob Middleton. I redid Bob's plans into imperial sizes seems to be a great runner. Still needs lots of clean up.