CSP-HE/HS-1
Weight and Balance Data
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
Revision 6
6-17
Example III :Lateral CG Calculation - Passenger and Cargo
369HE
369HS
Items
Weight
(lb)
Lateral
Arm
(in.)
Lateral
Moment
(in.-lb)
Weight
(lb)
Lateral
Arm
(in.)
Lateral
Moment
(in.-lb)
Basic Weight
1,138
-0.5
-569
1,280
-0.5
-569
Pilot (L/H)
170
-13.0
-2,210
170
-13.0
-2,210
Passenger - Fwd (R/H)
170
+18.1
+3,077
170
+18.1
+3,077
Cargo
400
+2.0
+800
400
+2.0
+800
1. Zero Fuel Weight
1,878
+0.58
+1,098
2,020
+0.54
+1,098
Add: Fuel
400
0
0
400
0
0
2. Gross Weight
2,278
+0.48
+1,098
2,420
+0.45
+1,098
Calculation of Lateral CG:
CG (Zero Fuel Weight)
369HE
Moment at Zero Fuel Weight
1,098
+0 58 in
369HE
Zero Fuel Weight
=
1,878
= +0.58 in.
369HS
Moment at Zero Fuel Weight
1,098
0 54 in
369HS
Zero Fuel Weight
=
2,020
= +0.54 in.
CG (Gross Weight)
369HE
Moment at Gross Weight
1,098
+0 48 in
369HE
Gross Weight
=
2,278
= +0.48 in.
369HS
Moment at Gross Weight
1,098
0 45 in
369HS
Gross Weight
=
2,420
= +0.45 in.
NOTE
:
The CG’s fall within the limits specified in Table 6-1.