ocr: PEDAL-POWERED PLANE A - - A - The power of a person can be enough to fly a specially designed airplane. The driver uses pedals - in the cockpit to turn alarge propeller. However, the speedis.solow that the plane needs long, broad wings to create sufficient lift. Ats such low speeds, the drag force is very small.
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(Dorling Kindersley).iso/principl/qfly/qfly1x.dib/qfly1x.png)