Abstract: A contra-rotating propeller (CRP) offers higher propulsion efficiency compared to a single propeller. This article presents a novel underwater CRP propulsion system that integrates a ...
The P‑51 Mustang became a common choice for air racers in America due to the large number of surplus airframes available ...
Engine maker GE Aerospace and defence manufacturer Lockheed Martin have teamed up to test a novel ramjet propulsion system for powering hypersonic flight. The pair say they completed a series of ...
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This German plane has a propeller… in the middle?
During World War II, Daimler-Benz explored an unconventional fighter concept built around a massive experimental V16 engine. Instead of placing the propeller at the nose or tail, the design mounted ...
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Italy’s MC72: The fastest piston aircraft ever built
In the 1930s, Italy set out to reclaim national prestige through speed. The Macchi Castoldi MC72 seaplane, powered by a massive V24 engine and contra rotating propellers, shattered world records ...
SINTEF has now designed and manufactured new measuring equipment for model testing of contra-rotating propellers. This could be good news for many large ships. “We see that propulsion efficiency ...
The best Italian fighter of the war, the Fiat G.55 was so good that a team of German experts concluded that it was the best ...
To meet the demands of fully electric and hybrid propulsion, manufacturers are developing podded, transverse and azimuthing thrusters with permanent magnet motors An increasing use of energy storage ...
ULA will use a new roro vessel to transport Vulkan rockets to support Amazon’s Project Kuiper broadband initiative A new roro vessel under construction in Louisiana will provide ‘special deliveries’ ...
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