Le Rhóne 9C

Engine Animations
Timing Gears Animation
Ignition Animation Ignition Animation

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Clerget Assembly

Clerget Assembly Movie

Rear view - Ignition

The gear ratio for the Main drive Gear and Magneto gears is two and a quarter. The contact breakers give 2 sparks per revolution and run at two and a quarter times the engine speed, each giving nine sparks every two revolutions of the engine. The firing order therefore is 1, 3, 5, 7, 9, 2, 4, 6, 8.

More details on Magneto Ignition