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16 Cards in this Set
- Front
- Back
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Whats in the Nose Compartment
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Electronic compartment
Emer Air bottles Alcohol tank Nose baggage |
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Describe the Engines
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Garrett TFE 731-3
Twin spoon turbofan jet 3700 lbs if thrust @ SL 70 degrees F |
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Describe N1 Spool
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4-stage low press compressor drivin by 3 stage low press turbine that drives the fan via the PLANETARY GRAE BOX and REVERSES direction of the Fan
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Describe N2 Spool
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Single stage centrigugal compressor driven by a single stage high press turbine. N2 shaft rotates the tower shaft via the transfer gear case and powers accessory gear drive
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How many quarts of oil are in the engine oil system
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6qt in the reservoir and 6qt in the lines. 12qt total
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LO OIL PRESS annunciator comes on when?
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25 PSI
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How do you know if the oil filter is being bypassed
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Red pop-out pin
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Describe Fuel Control Unit
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Hydromechanical fuel controller
Normal fuel scheduling and Manual modes. |
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Describe normal fuel scheduling
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Overspeed protection
surge and temp protection Automatically adjusts the surge bleed valve SPR increases fuel sched for starts |
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Describe manual fuel mode
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P3 bleed air controls metering valve
engine responds slower surge bleed valve 1/3 open always |
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Why do you leave the Fuel Computers on if they have failed and manual mode is operable
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to retain 109% ultimate overspeed protection
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What does the APR do
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Increases N2 by 1%
Increases ITT by 22 degrees C provides additional 180lb of thrust |
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Describe the engine fire protection
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2 fire control units
3 sensing loops per engine 2 T-Handles |
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Pulling T-Handle does what?
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closes: fuel, hydraulic, bleed air valves
Arms the bottles |
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What are the fire bottle disc's?
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Yellow - Manual discharge
Red - Thermal discharge |
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How long does the windshield alcohol last
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45min
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