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Old 05-04-2011, 05:17 AM
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fishguts fishguts is offline
Motorized Bicycle Elite Member
Join Date: Sep 2010
Location: southeastern MA
Posts: 313
Default Re: Something new and kinda sorta 100 years old looking

Originally Posted by BrokenVeloMan View Post
Is there an issue with the compression ring being pushed out from the steam pressure (not sure if they are keystone rings in these little motors) and that is snagging on one of the ports in the cylinder barrel?

Can't imagine that would be it as the cylinder bore would keep the rings in proper alignment as they pass a port, the opening being but a small part of the total circumference and the pressure being so low compared to an ICE at combustion. I have about 100psi in the cylinder on the power stroke where an ICE will have something like 400psi+ I believe (V8's run 600+ and some diesels can be 2,000psi+).

Last edited by fishguts; 05-04-2011 at 11:10 AM.
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