Piston engines rely on oxygen to efficiently burn fuel, but as you fly higher, there's less oxygen in the air. Most piston-engined aircraft would have difficulty flying at airliner altitudes.
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Colorado company Boom Supersonic plans to break the sound barrier with its test plane XB-1 during a test flight this morning, with the flight due to be streamed live online ...
We all know how a conventional internal combustion engine works, with a piston and a crankshaft. But that’s by no means the only way to make an engine, and one of the slightly more unusual ...
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