Two Stroke Motocross

Two Stroke Motocross Forum => Vintage Two Strokes => Topic started by: SachsGS on February 14, 2012, 04:38:30 AM

Title: Stepped Piston 2T
Post by: SachsGS on February 14, 2012, 04:38:30 AM

An old concept that seems well suited to Direct Injection.

                users.breathe.com/prhooper/opads.htm

If you scroll down you'll see a prototype Norton Wulf utilizing this principle:

                users.breathe.com/prhooper/bhe.htm

Title: Stepped Piston 2T
Post by: factoryX on February 14, 2012, 06:10:55 AM

Weird. Seems a bit low on performance for a 580cc motor at 50hp, but at 40lbs it more than makes up for it.  Whats cool is that motor at 6 liters would produce 500hp N/A with an ungodly amount of torque at 413lbs with 41 cylinders.  

Title: Stepped Piston 2T
Post by: TMKIWI on February 14, 2012, 08:34:02 AM

Interesting Idea.
Similar to what they are doing now electroniclly with stratisfied and homogeneous combustion.