Study Sheet

Question 1

MMU

Answer 1

Coll. to pitch- Compensate for rotor down wash on the stabilator
Coll. To Roll- Translating Tendency
Coll. Yaw- Torque Effect

Yaw-Pitch-Lift Component of tail rotor

Question 2

Electronic Coupling

Answer 2

Collective - Air Speed - Yaw
Compensates for torque effect in addition to collective to yaw mixing based on collective position and airspeed. 
Functions of SAS2/FPS 
O to 40 knots is 100% Mech 
Electronic Coupling at 100 knots

Question 3

AFCS

Answer 3

Enhances static stability and handling qualities of the helicopter 
SAS
Trim
FPS
Stab