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Questions and Answers
What is the primary function of fusible plugs in aircraft wheels?
What is the primary function of fusible plugs in aircraft wheels?
- To improve wheel aerodynamics
- To release tire pressure when temperature rises (correct)
- To enhance wheel stability during flight
- To increase the durability of the tire
What type of bearings are used in all aircraft wheels?
What type of bearings are used in all aircraft wheels?
- Ball bearings
- Needle roller bearings
- Tapered roller bearings (correct)
- Sleeve bearings
What role do the protective seals in the bearing assembly serve?
What role do the protective seals in the bearing assembly serve?
- To prevent dirt and water intrusion (correct)
- To increase friction for better performance
- To support wheel alignment
- To enhance lubrication of the bearings
What component is used alongside tapered roller bearings for their protection?
What component is used alongside tapered roller bearings for their protection?
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What happens to a fusible plug when the temperature of the wheel exceeds its limit?
What happens to a fusible plug when the temperature of the wheel exceeds its limit?
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Study Notes
Fusible Plugs
- Fusible plugs are safety devices installed in aircraft tires.
- They are designed to melt and release tire pressure when the wheel temperature exceeds a predetermined level, preventing tire explosions.
Aircraft Wheel Bearings
- All aircraft wheels utilize tapered roller bearings.
- These bearings are specifically designed to withstand high loads and rotational speeds.
- To protect against contamination, they are sealed and shielded by a spacer tube.
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