, under side of the skate. The foot-plate each developed and withstood a tractive effort of 90 is of light and strong steel and is hinged in the middle nition-shifting mechanism and is operated by a handle kilogrammes (198.41 pounds) when driven at a speed for steering. Bach skate carries a small… … ed downward, serves as a support is screwed to the motor cylinder. Diagram of Santos-Dumont's Proposed " Helicoptere." for the motor platform. A driving The wheels carry solid rubber tires propeller, P, is attached to the bow which have a somewhat narrow H, H. Lifting propellers. P. Driving…
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