COLORADO SPRINGS—Lockheed Martin and NASA are poised to fire up the engine powering the X-59 low-boom demonstrator for the first time. The start of powered runs of the X-59’s single GE Aerospace F414 ...
Astron aerospace has shown a partial prototype of a new rotary combustion engine it claims runs at an extraordinary 60% thermal efficiency, burning totally clean with zero NOx emissions and nothing ...
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