Extra 300/SC - Page 276

CHAPTER 51
PAGE 18
MAINTENANCE MANUAL EXTRA 300/SC
PAGE DATE: 1. August 2014
CONTROL SURFACE BALANCING
Weighing and Determination of Control Surface Moments
Figure 4 Control Surface Weights and Moments
Weights
Aileron LH: (W)
. . . . . . . . . .
kg
Aileron RH: (W)
. . . . . . . . . .
kg
Rudder: (W)
. . . . . . . . . .
kg
Elevator: (W)
. . . . . . . . . .
kg
Trim Tab: (W)
. . . . . . . . . .
kg
Moments
Aileron LH: (m:)
. . . . . . .
kg
.
9.81
m
/s
2
.
(r:)
. . . . . . .
cm = (M:)
. . . . . . . . . .
Ncm
Aileron RH: (m:)
. . . . . . .
kg
.
9.81
m
/s
2
.
(r:)
. . . . . . .
cm = (M:)
. . . . . . . . . .
Ncm
Rudder: (m:)
. . . . . . .
kg
.
9.81
m
/s
2
.
(r:)
. . . . . . .
cm = (M:)
. . . . . . . . . .
Ncm
Elevator: (m:)
. . . . . . .
kg
.
9.81
m
/s
2
.
(r:)
. . . . . . .
cm = (M:)
. . . . . . . . . .
Ncm
Trim Tab: (m:)
. . . . . . .
kg
.
9.81
m
/s
2
.
(r:)
. . . . . . .
cm = (M:)
. . . . . . . . . .
Ncm
Permissible Weights and Moments
Aileron (one control surface)
incl. mass balance, without spades
Mass: 4.6 - 5.3 kg
Moment: 135 - 169 Ncm
incl. mass balance, with spades
Mass: 5.1 - 5.8 kg
Moment: 83 - 120 Ncm
Elevator incl. trim tab
incl. mass balance
Mass: 7.5 - 8.6 kg
Moment: 150 - 190 Ncm
Trim Tab
no mass balance
Mass: 0.13 - 0.16 kg
Moment: 4.0 - 5.5 Ncm
Rudder
incl. mass balance
Mass: 5.0 - 5.6 kg
Moment: 390 - 450 Ncm