Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.

与老式螺旋桨发动机的叶片不同，这些叶片在发动机的后部旋转。

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The plane will carry four 100 kilogram lithium batteries each powering a propeller engine.

太阳动力号“装有4快重大100公斤的锂电池，每块电池为一个螺旋桨助推器提供动力。

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Propulsion is provided by a rocket engine, rather than a propeller and rudder, which makes steering difficult.

推进器是由火箭发动机提供的，而不是螺旋桨和方向舵，这使得转向变得困难。

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Knowing it's there is comforting, especially as you and the people you love most are winging over the Rockies on a single engine and propeller.

FORBES: Magazine Article

Unlike the blades on old-fashioned propeller engines, these blades spin around at the back of the engine.

ECONOMIST: Monitor