The Astron Aerospace H2 Starfire is a clean burning hydrogen and water powered internal combustion engine alternative to battery cell technology. There is very little parasitic power loss with the H2 ...

Free-piston engine generators and linear machines represent an innovative departure from conventional rotary systems, offering high thermal efficiency and operational flexibility by eliminating the ...

Polaris will build a two-stage, horizontal take-off and fully reusable hypersonic research vehicle, featuring a linear aerospike rocket engine. German company Polaris Spaceplanes announced on Jan. 27, ...

There is probably no better chronicler into the full depth of American ingenuity than YouTube. Here one finds not just computer models for all manner of esoteric combustion engine designs, but actual ...