Rob Dahm, known for pushing rotary engines to their limits, has taken on a challenge unlike any before. He has set his sights on the monstrous 15.7-liter, tri-turbo Y12 rotary engine—an ...

The end goal is to run the Y12 on methanol. The team also had to tear the motor down to nothing when they realized it was having rotor clearance issues. After milling five to six thousandths off ...

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