У вашего броузера проблема в совместимости с HTML5
72HP 4 cylinder McCulloch Drone Engine Start. This engine, McCulloch Model 4318, was being tested for an Aero Telemetry UAV project. Pusher propeller was making upwards of 535 lbs of thrust. RPM was around 4400. 72HP 4-cylinder, 2-stroke air-cooled engine. Amazing power!
Mean, Nasty, and Loud.
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