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A 6-bladed Hamilton Standard 568F propeller on an ATR 72 short-haul airliner. Lowry [27] quotes a propeller efficiency of about 73.5% at cruise for a Cessna 172.This is derived from his "Bootstrap approach" for analyzing the performance of light general aviation aircraft using fixed pitch or constant speed propellers.
Contra-rotating propellers Contra-rotating propellers on the Rolls-Royce Griffon-powered P-51XR Mustang Precious Metal at the 2014 Reno Air Races. Aircraft equipped with contra-rotating propellers (CRP) [1] coaxial contra-rotating propellers, or high-speed propellers, apply the maximum power of usually a single piston engine or turboprop engine to drive a pair of coaxial propellers in contra ...
After the aircraft touched down, the right landing gear collapsed, the right wing hit the ground, and a fire broke out. The fire went out before the aircraft came to rest and all passengers and crew were evacuated. Five people had minor injuries, some from parts of the propeller entering the cabin and others from the evacuation. [citation needed]
A British aircraft carrier that had been set to lead the largest NATO exercises since the Cold War will not set sail Sunday after a problem with its propeller was discovered during final checks ...
Northwest Airlines Flight 292, a DC-7C (N285) with 7 crew and 95 passengers, [29] made a successful water landing in Sitka Sound just before 1 p.m. local time after struggling with propeller problems for 45 minutes [30] while operating as a military charter flight between McChord Air Force Base and Elmendorf Air Force Base. The plane stayed ...
In designing the Lockheed P-38 Lightning, the decision was made to reverse the counter-rotation such that the tops of the propeller arcs move outwards (counterclockwise on the left and clockwise on the right), away from each other. Tests on the initial XP-38 prototype demonstrated greater accuracy in gunnery with the unusual configuration.
Pushers may be classified according to lifting surfaces layout (conventional or 3 surface, canard, joined wing, tailless and rotorcraft) as well as engine/propeller location and drive. For historical interest, pusher aircraft are also classified by date. Some aircraft have a Push-pull configuration with both tractor and pusher engines. The list ...
Aerospace bearing – Aerospace bearings are the bearings installed in aircraft and aerospace systems including commercial, private, military, or space applications. Aerospace engineering – is the primary field of engineering concerned with the development of aircraft and spacecraft . [ 13 ]