Venus Aerospace conducted its first powered flight last month, reaching Mach 0.9 with a drone. The 8-foot-long vehicle was dropped from an Aero L-29 Delfín aircraft at 12,000 feet and flew under the ...

In the minds of the majority of individuals when aircraft engines are considered, an image of either revolving propellers or ...

Like those engines, the Knob Engines Birotary (that’s pronounced sort of like “kuh-nob” not “knob”) hopes to make an improvement in a specific area of transportation. In this case, Knob says it ...