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10 Cards in this Set

  • Front
  • Back
Explain the primary flight controls.
Throttle, Collective, Cyclic, and Pedals control the yaw, pitch, roll, and thrust of the helicopter
Explain the powerplant.
Lycoming O-360 J2A, horizonatlly opposed, direct drive air cooled, naturally aspirated, squirrel cage blower, 4 cylinder, carbureted, 145bhp, 124 MCP, 131 5min power.
Explain the main rotor and antitorque system.
MR - 25ft diameter, asymmetrical airfoil, semi-rigid, low inertia.
TR - symmetrical, flapping/feathering
Explain the landing gear.
Steel plated skids, spring and yeild type
Explain the Fuel and oil system.
Fuel - gravity flow, shut off valve and strainer.
Oil - oil cooler, cools engine through circulation
Explain the Electrical system.
14 volt, 60amp alternator, voltage regulator, 12 volt, 25amp battery, magnetos, 2 spark plugs per cylindee, independent circuits for tachs.
Explain the pitot-static, vacuum pressure, and associated flight instruments.
VSI, Altimeter, and Airspeed indicator. they measure differences in pressure to determine the readouts.
Explain the environmental systems.
Cabin heat and cabin vent. Cabin heat draws air that has been heated by being near the exhaust, cabin vent is the windows and the opening in the nose section to let in outside air
Explain the carb heat/anti-icing systems.
The carb heat warms the air via the exhaust before entering the carburetor so as to reduce/eliminate the possibility of ice forming in the carburetor.
Explain the avionics.
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