Quote:
Originally Posted by fieldodreams79
Hmmm, the amounts of beverages consumed at circuits may have influenced my identifications of rotary engines. I've always thought the 4s were the loudest, the pitch being similar to Judd V10s.
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Yeah they're loud as hell but they sound nice, as does a Judd V10 to my ear. I think they're loud in different frequencies, the 4 rotor in high frequencies like a singing siren, and the 2 rotor at the same frequency that the end of a trumpet vibrates at.