I've built over 60 rotary engines from bone stock to formula Mazda spec motors(ya I know that's a rule infraction so I won't say who ran the motors but they are now an Indy driver)
The major miss conception with rotaries is that they are fragile. They are very far from fragile. Actually quite strong. The problem is ppl tend to throw way too much boost with not enough fuel to them.
There are so many different makers of apex seals now its ridiculous. Metal technology has come a long long way since the 70s when the original Mazda rotaries came out. The latest version for the 13b engine that Mazda released as a 2 piece seal are probably some of the best. Ceramic is also a great option but expensive but if u detonate once they are gonzo.
There are a lot if really cool ideas out there for these motors but since there is a serious lack of competition for Mazda and these engines the development has suffered. Just imagine if Chevy had followed through with plans to replace the v8 with a rotary, oil crisis killed that idea.
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