lesson 12: aircraft landing gear. shock absorbers steel leaf or tubular spring bungee shock cord...
TRANSCRIPT
![Page 1: Lesson 12: Aircraft Landing Gear. Shock Absorbers Steel Leaf or Tubular Spring Bungee Shock Cord Oleo Shock Strut](https://reader035.vdocuments.site/reader035/viewer/2022062321/56649e8e5503460f94b9186e/html5/thumbnails/1.jpg)
Lesson 12: Aircraft Landing Gear
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Shock Absorbers
• Steel Leaf or Tubular Spring
• Bungee Shock Cord
• Oleo Shock Strut
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Steel Leaf or Tubular Spring
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Steel Leaf or Tubular Spring
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Bungee Shock Cord
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Oleo Shock Strut
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Oleo Shock Strut
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Nose Wheel Steering And Shimmy Dampers
• Castering Nose Wheel
• Steerable Nose Wheels
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Nose Wheel Steering And Shimmy Dampers
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Landing Gear Retraction Systems
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Landing Gear Retraction Systems
• Cessna 182 RG
• Hydraulically actuators powered by an electrically-driven hydraulic power pack.
• Normal operating pressure of 1000 PSI to 1500 PSI.
• Provides a positive up lock pressure on the main landing gear.
• Nose gear uses an over-center mechanical linkage.
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Landing Gear Retraction Systems
• Cessna 182 Gear Warning Horn
• Based on the position of the throttle (power reduction to ~15 inches manifold pressure).
• Also requires the gear to be NOT down and locked (no green light).
• Not driven by speed.
• Not driven by altitude.
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Aircraft Brakes
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Wheel Units
• Energizing-type Drum Brake
• Weight of the vehicle or aircraft aids in the application of the brake.
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Wheel Units
• Nonenergizing Brakes
• Expander Tube
• Disc Brakes
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Disc Brakes
• Single Disc
• Most popular brake for modern light aircraft.
• Multiple Disc
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Goodyear Single Disc (Keyed)
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Brake Energizing Systems
• Diaphragm Type Master Cylinder
• Vented Master cylinders
• Boosted Brake Master Cylinders
• Power Brake System
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Diaphragm Type Master Cylinder
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Vented Master cylinders
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Aircraft Wheels, Tires And Tubes
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Wheels
• Single-piece
• Removable Rim
• Two-Piece
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Tires
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Tires
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Normal Wear
Over-Inflation
Under-Inflation
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