31-05. DETERMINATION OF CG POSITION
Всего заданий: 48
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Заданий на экзамен: 10
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1. With respect to a multi-engine piston powered aeroplane, determine the CG location at takeoff in the following conditions: Basic Empty Mass: 3.210 lbs Basic arm: 88,5 in One pilot: 160 lbs Front seat passenger: 200 lbs Centre seat passengers: 290 lbs (total) One passenger rear seat: 110 lbs Baggage in zone 1: 100 lbs Baggage in zone 4: 50 lbs Zero Fuel Mass: 4.120 lbs Moment at Zero Fuel Mass: 377.751 Ibs.in Block Fuel: 100 US Gal Trip Fuel: 55 US Gal Fuel for start up and taxi (included in Block Fuel): 3 US Gal Fuel density: 6 lbs/US Gal
2. Given:
CG is located at STN 15 Aeroplane mass is 3.650 lbs
What is the effect on the CG if you move baggage (total mass 64 lbs) from STN 14 to STN 20?
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3. The CG of an aircraft is at 25% MAC and MAC is 1 m. The aircraft has 2 holds, hold 1 is 7 m aft of the datum and hold 2 is 22 m aft of the datum. If the aircraft mass is 38.000 kg, what load must be transferred from hold 1 to hold 2 to move the CG to 40% MAC?
4. The planned Takeoff Mass of a turbojet aeroplane is 180.000 kg, with its centre of gravity located at 26% MAC (Mean Aerodynamic Cord). Shortly prior to engine start, the local staff informs the flight crew that 4.000 kg must be unloaded from cargo 4. After the handling operation, the new centre of gravity location in % MAC will be:
5. The loading for a flight is shown in the attached load sheet, with the following data applying to the aeroplane: Maximum Takeoff Mass: 150.000 kg Maximum Landing Mass: 140.000 kg Forward CG limit: 10,5 m aft of datum Aft CG limit: 13,0 m aft of datum Estimated Trip Fuel: 55.000 kg
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