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If the Jesus nut were to fail in flight, the rotor would detach from the helicopter, [4] [a] hence the idea that all that would then be left for the crew to do would be to "pray to Jesus." The nut/pin must be checked before the flight, even though real-world examples of the Jesus nut/pin failing are rare. For example, in 2000, the mast nut of a ...
The helicopter rotor is powered by the engine, through the transmission, to the rotating mast. The mast is a cylindrical metal shaft that extends upward from—and is driven by—the transmission. At the top of the mast is the attachment point (colloquially called a Jesus nut) for the rotor blades called the hub
The rotorhead is where the lift force from the rotor blades act. The rotorhead is connected to the main drive shaft via the Jesus nut, and houses several other components such as the swash plate, flight control linkages and fly-bars. [1] The rotor hub is also where the centre of gravity acts on the helicopter. The rotor head of a Sikorsky S-92
An Oregon defense contractor has pleaded guilty to selling $10 million worth of phony parts for attack helicopters and military vehicles to the U.S. government, including a locknut that secures ...
A helicopter is susceptible to a rolling tendency, called dynamic rollover, when close to the ground, especially when taking off or landing. For dynamic rollover to occur, some factor has to first cause the helicopter to roll or pivot around a skid, or landing gear wheel, until its critical rollover angle is reached.
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The Jesus nut, also called the Jesus pin, is the nut that holds the main rotor to the mast of some helicopters, such as the UH-1 Iroquois helicopter. It is a slang term that maybe was first coined by American soldiers in Vietnam; the technical term is main rotor retaining nut.
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