Flight Controls Flashcards

1
Q

When do you get a FORCE TRIM INTERPT?

A

> 4 sec interrupted on the ground

NR > 60% and force on via MPD

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2
Q

What is the EHV? What does it do?

A

Electro Hydraulic Valve. FMC send Electrical input to hydraulic movement in SAS LVDT sleeve in LAP assembly. Pressurizes on side and depressurizes other side. LVDT reports back to FMC.

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3
Q

LVDT?

A

Linear Variable Differential Transducer. Voltage in Voltage out

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4
Q

CAS?

A

FMC receives signals from flights control LVDTs send signals to EHV

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5
Q

SAS?

A

Rate Dampening
Turn Coordination
Atmospheric Upset Dampening

FMC looks at INU input against flight control LVDTs

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6
Q

Heave dampening?

A

Dampens up and down from aerodynamic forces

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7
Q

Interrupting force trim?

A

Sends 28 VDc to FMC, FMC will re center SAS sleeve.

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8
Q

LVDT voltage?

A

26 Vac from ELC2

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