One of the guys on the CNC zone has written a nice little flash
application for generating the G code for machine out a trochoid. We
just have an error in the appication of Offset in quadrants 2 and 4.
http://www.devincox.com/newsite/epitrochoid.html

There is also a guy who is making stirling progress in a modified SW92
model engine.
http://www.cnczone.com/forums/showthread.php?t=11562&page=1&pp=10
<http://www.cnczone.com/forums/showthread.php?t=11562&page=1&pp=10>
<http://www.cnczone.com/forums/showthread.php?t=11562&page=1&pp=10
<http://www.cnczone.com/forums/showthread.php?t=11562&page=1&pp=10>>

Paul, you have answered this question before - but I lost the answer,
what is the standard relationship between major diameter and
eccentricity on the practical wankel? How about the offset "a"?
regards,
Mark


I am not sure what the questions is. Does this help?

Paul Lamar
Yep, that was it. The question was, what is the practical range for
values of K?

Regards,
Mark

You got me there Mark.

Paul Lamar

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