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British Motorcycles

Gyroscopic

Gyroscopic was a 'one-off' motorcycle produced in 1912.

This machine had a rotary engine, a form commonly used in aviation, and shaft drive. A heavy-duty bicycle frame with simple forks was adapted to carry the mechanics.


Sources Grace's Guide



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Allen Motorcycle Museum
Allen Motorcycle Museum
Private museum in Boston, MA, with many highly collectable vintage motorcycles for sale.