one of the most informative websites I have been on
 

Wow, that's all I can say. I found this link in reted's sig; you sir are a great man. Thank you for all of the information that is on this website.

http://fc3spro.com/main.html

here is another one that helped me understand these engines, I'm sure there are more out there but these are the ones I came across.

http://www.rotaryengineillustrated.com/index.html

enjoy and thank you once again reted :worship::worship::worship::worship: