Puffi n’s electric engines give a smooth, quiet ride with little shaking or vibrating.
With fuel and a person inside, Puffi n weighs about 275 kilos. Yet small engines provide enough thrust for a vertical take-off.
WORDWISE
drag: a force that pulls on and slows down an object’s movement
gravity: a force that pulls everything toward Earth’s center
lift: a force that pushes an object upward
thrust: a force that pushes an object forward
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