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Flashcards in Week 4 Deck (14)
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1
Q

Which Chapter do Pratt and Whitney Canada include gearboxes?

A

ATA 72

2
Q

What is installed to accessories in the accessory gearbox to protect the engine in case of a failure of any component?

A

Shear Shafts

3
Q

What does the hunting tooth Ratio do for us?

A

Makes gears wear evenly

4
Q

Straight gears can only be used in which applications?

A

Gears parallel to each other

5
Q

_______ ________ can be used to transmit power where gears aren’t parallel, but NOISE is a problem

A

Bevel Gears

6
Q

_______ ________ gears are like Bevel gears but run quieter and produce more power

A

Spiral Bevel gears

7
Q

________ ________ are gears where teeth are cut at an angle

A

Helical Gears

8
Q

Depending on the amount of power being transmitted through the helical gear set, both gears will explore __________ ______________

A

Axial Displacement

9
Q

What’s the simplest way in an accessory gearbox to reduce unwanted movement between compressor and radial driveshafts?

A

Direct Drive

10
Q

________ __________ allows shaft to move without changing backlash

A

Stub shaft

11
Q

This type of drive is associated with high RPM’s

A

Idler Gear Drive

12
Q

___________ _____________ are employed when it is not possible to directly align the radial driveshaft with the external gearbox

A

Intermediate/Transfer Gearbox

13
Q

When there isn’t enough space on the accessory gearbox, what is used to power remaining components?

A

Auxiliary Gearbox

14
Q

What are chip detectors wired to on commercial airliners?

A

EICAS