The Drive5y
Rob Dahm’s 1,000-HP, Quad-Rotor RX-7 Spits Monster Flames On the Dyno
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SlashGear13d
Yes, There Is A 12-Rotor Engine — Here's How Much HP It's Trying To Push
That little single-rotor powerplant quickly evolved into the more typical two-rotor design one might see in a Mazda RX-7, for example ... of rotors. Enter Rob Dahm, with his quite-frankly-insane ...