ropeller testing (Fig. 4) differs from thetruck just described in that it is driven by the propellorunder test. An 80 h.p. motor drives the propeller throughtwo bevel gears at speeds between 0 and 50 miles per hour. The vertical shaft connected to the universal joint be-tween the two transmission… … Aerodynamic teHtiny equipment mmed by the Aeronautic Institute Laboratory at St. Cyr, France April 21, 1921 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE 855 Under the action of the pull of the propeller the hori-zontal shaft tends to move forward, taking with it the topof the frame. This movement is checked…
Automobiles · Aeronautics
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