Researchers mimicked the air-trapping tricks of diving bell spiders to create aluminum that stays afloat—even when punctured ...
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How controllable pitch propellers work, the smart way ships control speed and thrust
Controllable pitch propellers adjust blade angle instead of engine speed, letting ships change thrust, direction, and handling instantly. This explains the physics, advantages, and tradeoffs compared ...
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Germany’s push pull fighter with two propellers
The Dornier Do 335 used a unique push pull engine layout to achieve high speed while avoiding asymmetric thrust issues. Despite impressive performance, late introduction, production delays, and the ...
Abstract: In the aviation industry, a short landing distance for aircraft is quite important which may broaden the usage of it. For a propeller-driven aircraft, variable pitch propeller (VPP) is ...
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