Emohawk
I know this is 'cars', but I think a rotary engined bike would be cool.
Already been done.
60s MZ (East German) motorcycle prototypes.
69? BSA: F&38;S in Starfire frame. Experimental.
70 BSA twin rotor in a BSA A75 Bandit frame. Experimental.
70 DKW Hercules 2000 motorcycle at Cologne m'cycle show. F&S KM914 engine.
72 Yamaha RZ201 660cc prototype shown Tokyo Show, modified Yanmar engine.
72-76 Van Veen OCR 1000 cycle, 110 bhp Comotor engine, 150 mph, water-cool.
72-77 Hercules/DKW W2000 cycle 27 bhp aircool F&S KC24 1-rotor apr 4000 units.
? Kawasaki motorcycle pre-production.
? Yamaha RZ660 2-rotor water-cooled motorcycle pre-production.
73 Suzuki RE5 shown at Tokyo Show, mass produced next year, imported 75.
75-76 Suzuki RE5 497cc single rotor motorcycle, 48 bhp, 110 mph, water cooled.
83 Norton RC588 Interpol II motorcycle 2-rotor 135 bhp, air-cooled.
87-88 Norton Classic 588cc 2-rotor civilian limited edition air-cooled 85bhp.
88 Norton Commander 588cc 2-rotor police water-cooled 85bhp.
89 Norton Commander civilian water-cooled.
89 Norton P55 supersports roadster water-cooled scheduled.
80s Norton F1 racing bike.
91 Roton racing motorcyle (Australia). Brian Crighton.
Also many rotary engined lawnmowers, airplanes and snowmobiles.