Type: Horizontal, single cylinder, double acting, slide valve. Bore 1 1/2 in Stroke: 3 1/4 in Length: 21 1/2 in Height: 9 3/4 in Width: 8 in Flywheel: 9 3/4 in Availability Limited Edition.
MILL ENGINE, SUPER 50. 1 1/2-in. Bore, 3 1/4-in. Stroke.
Design
Tdesign is simply an enlarged version of the S50 engine. I suggest you check out that page for more information.
S50 with the trimmed crank wheel that acts as a counterbalance.