Researchers have developed an innovative propeller system to replace the electric and diesel engines currently powering ferries on fixed sea routes. The system is powered by an air motor-mounted ...
Jet engines consist of intake, compressor stage, combustor, and turbine stage. Air is compressed, fuel is introduced, and expansion creates thrust. N2 compressor must be rotated to start the engine.
From a vertical tube sunk below the main deck of the U.S.S. Observation Island, a converted merchant marine ship cruising seven miles off Cape Canaveral, Fla., a 28-ft. Polaris missile last week ...