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Тематика: Авиация
Языковая пара: английский - русский
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Technical Information of Aircraft
Auxiliary Jacking Points - Safety Stay When the aircraft is on jacks, it is recommended that a safety stay be placed under the fuselage, between FR73 and FR74 to prevent tail tipping caused by accidental displacement of the center of gravity. The safety stay is not used to lift the aircraft. A male spherical ball pad with a 19 mm (0.75 in) radius forming part of the airplane structure is provided for using the safety stay. Jack design In fully retracted position (jack stroke at minimum) the height is such that the jack may be placed beneath the airplane under the most adverse conditions, namely, tires deflated and shock absorbers depressurized. In addition, a clearance of 50 mm (1.97 in) approximately must be provided between the airplane jacking point and the jack upper end. The lifting jack stroke enables the aircraft to be jacked up so that the fuselage longitudinal datum line (aircraft center line) parallel to the ground, with a 100 mm (3.94 in) clearance between the main landing gear wheels and the ground. In particular, this enables the landing gear extension/retraction tests to be performed. |


