I also had an RX3 very fun to drive.
The reason rotary engines have not fared so well is efficiency. the rotor ports open too soon in the combustion cycle (similar to a 2-stroke) wasting energy. The partially burned mixture also increased pollution (remember the air pump that fed into the RX3 exhaust?).
Thanks for your knowledge on the subject. Now it makes total sense why not for efficiency sake.
BTW, I am in NY too. you had some of my favorite Founders sayings on your about me page.
NOW WE ARE FREEPING! (eyes rolling)
Happy New year All.