7.3.3
T
RIM
S
YSTEM
T
HE AIRCRAFT HAS BOTH PITCH AND AILERON TRIM
,
HOWEVER NO RUDDER
TRIM IS AVAILABLE
.
A
LSO
,
THERE IS NO WAY FOR THE AUTOPILOT TO AFFECT
TRIM
.
T
HE AILERON TRIM CONSISTS OF AN ELECTRICAL SERVO OPERATING A SPRING
-
BIAS SYSTEM CONNECTED TO THE BASE OF THE CONTROL STICKS
.
P
RIMARY
PURPOSE OF THE AILERON TRIM IS TO COUNTER FUEL IMBALANCE AND AN
EMPTY OR OCCUPIED PASSENGER SEAT
.
T
HE PITCH TRIM CONSISTS OF AN ELECTRICAL SERVO OPERATING A TRIM TAB
ON THE LEFT ELEVATOR
.
T
RIMS CAN BE ACTUATED BY PUSHING THE LEFT
/
RIGHT OR UP
/
DOWN
BUTTONS ON TOP OF EACH CONTROL STICK
.
B
OTH SERVOS AND THE BUTTONS ARE CONNECTED TO THE
VP-X
C
ONTROL
U
NIT
.
A
GRAPHICAL REPRESENTATION OF THE TRIMS IS AVAILABLE ON THE
VP-X
PAGE ON
PFD.
A
LSO
,
THE
VP-X
PROVIDES A GROUNDSPEED
-
DERIVED
SENSITIVE TRIM SPEED CONTROL
.
T
HERE IS NO BACKUP FOR EACH TRIM
.
H
OWEVER
,
IN CASE OF ELECTRICAL
/
TRIM SYSTEM FAILURE
,
THE AIRCRAFT CAN BE EASILY LANDED ON ANY TRIM
SETTING
,
EVEN IN A RUNAWAY TRIM SCENARIO
.
R
EFER TO
C
HAPTER
4.3
FOR
A
BNORMAL
O
PERATING
P
ROCEDURES
.
Van’s RV7
Aircraft Flight
Manual
Rev 0.1
S/N 74141
Aircraft Flight
Manual
I-MKLK
DESCRIPTION OF THE AIRPLANE
I-MKLK AIRCRAFT FLIGHT MANUAL 7.0 95
