Two-stroke, Barrel-type engine with six cylinders, giving 350 CV at 1,400 rpm.

-The mixture was forced into the cylinders by a rotary blower.

-Each cylinder had two pistons

-It did not have a crankshaft but two oscillating plates, one at each end (like some other engine that we have already seen -and will see-).

-Mr. Crayssac also made another rotary engine without valves giving 80 CV, called "Cyclone".