Landing Gear Flashcards
Types of Retractable Landing Gear:
- Mechanical (Early Mooney’s, Johnson Bar)
- Electric (run by jack screws)
• Reversible Electro Hydraulic
o C172Rgs
o Our Arrows
o Seminole
• Hydraulic
o B747
o CE500 (citation)
Power Pack:
What is it?
What is it a combination of?
What aircraft here have them?
o Combination of reservoir, pump, filter, and several different valves in one self contained unit.
o The primary control unit for the hydraulic system
o We have them in the Seminole and arrows.
WHAT PUSHES THE NOSE GEAR AGAINST THE RELATIVE WIND (STAGE AND TEST)
What holds the gear in a down and locked position!?
o Gravity and a LARGE SPRING on the NOSE gear
o Over-center lock between the two parts of the gear.
Gear Unsafe Warnings :
3
- Gear Not down and Locked
a. MP 10° - Gear handle in up position with WOW (weight on wheels) switch activated
- Gear In Transit (big red light)
HOW CAN YOUR IP Simulate Gear Failure:
Pop A Circuit breaker on you
Why do you stop straight ahead with unsafe gear indication?
o Don’t want any side loads on the gear
AIRCRAFT BRAKING SYSTEM
What are the three basic parts of it
How are they actuated?
o Master Cylinder (what applies the pressure to the break)
o Disk Brake (aka Rotor)
o . Brake Lines
Hydraulically activated.
Brake Reservoir
What does it do?
Holds fluid, so if there’s too much it can hold it or if there’s not enough can add to it
