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Propeller manufacturing defect 38 Propeller broke apart; one of the blades punctured the fuselage, causing the forward section to break away 1967-06-23 Mohawk Airlines Flight 40: Pennsylvania, United States BAC One-Eleven 204AF: Mechanical failure 34
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]
In these incidents, a failure of propulsion systems (engine, fan, propeller, pumps) caused damage to control systems. (Engine mounting failures are covered under structural failures, below.) Eastern Air Lines Flight 935, a Lockheed L-1011 TriStar, on September 22, 1981. Suffered an uncontained failure of the No. 2 engine on takeoff from Newark ...
The propeller problem is the second setback for the Royal Navy in less than three weeks, following a collision by two warships in a harbor in Bahrain, causing damage to the vessels but no injuries.
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.
In aviation, a propeller strike, or prop strike, also called a sudden stoppage, is an event in which an aircraft's propeller contacts any object and is forcibly stopped or slowed. Propeller strikes can be the result of the propeller contacting the ground due to landing gear collapse, failure to extend the landing gear, or nose-over .
Propeller whirl flutter is a special case of flutter involving the aerodynamic and inertial effects of a rotating propeller and the stiffness of the supporting nacelle structure. Dynamic instability can occur involving pitch and yaw degrees of freedom of the propeller and the engine supports leading to an unstable precession of the propeller. [13]
On 16 January 2007, Dowty Propellers became part of GE Aviation Systems through GE buying Smiths Group’s aerospace division. [ 3 ] [ 4 ] On 5 February 2015, a fire at Dowty's Staverton facility caused severe damage to 80% of the factory building, destroying the main production line. [ 5 ]