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Lesson 12: Aircraft Landing Gear

Lesson 12: Aircraft Landing Gear. Shock Absorbers. Steel Leaf or Tubular Spring Bungee Shock Cord Oleo Shock Strut. Steel Leaf or Tubular Spring. Steel Leaf or Tubular Spring. Bungee Shock Cord. Oleo Shock Strut. Oleo Shock Strut. Nose Wheel Steering And Shimmy Dampers.

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Lesson 12: Aircraft Landing Gear

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  1. Lesson 12: Aircraft Landing Gear

  2. Shock Absorbers • Steel Leaf or Tubular Spring • Bungee Shock Cord • Oleo Shock Strut

  3. Steel Leaf or Tubular Spring

  4. Steel Leaf or Tubular Spring

  5. Bungee Shock Cord

  6. Oleo Shock Strut

  7. Oleo Shock Strut

  8. Nose Wheel Steering And Shimmy Dampers • Castering Nose Wheel • Steerable Nose Wheels

  9. Nose Wheel Steering And Shimmy Dampers

  10. Landing Gear Retraction Systems

  11. 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.

  12. 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.

  13. Aircraft Brakes

  14. Wheel Units • Energizing-type Drum Brake • Weight of the vehicle or aircraft aids in the application of the brake.

  15. Wheel Units • Nonenergizing Brakes • Expander Tube • Disc Brakes

  16. Disc Brakes • Single Disc • Most popular brake for modern light aircraft. • Multiple Disc

  17. Goodyear Single Disc (Keyed)

  18. Brake Energizing Systems • Diaphragm Type Master Cylinder • Vented Master cylinders • Boosted Brake Master Cylinders • Power Brake System

  19. Diaphragm Type Master Cylinder

  20. Vented Master cylinders

  21. Aircraft Wheels, Tires And Tubes

  22. Wheels • Single-piece • Removable Rim • Two-Piece

  23. Tires

  24. Tires

  25. Normal Wear Over-Inflation Under-Inflation

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