CSP-HE/HS-1
Weight and Balance Data
ROTORCRAFT FLIGHT MANUAL
MD 500
(Models 369HE/HS/HM
)
Revision 6
6-15
Example II :Longitudinal CG Calculation - Passenger and Cargo
369HE
369HS
Items
Weight (lb)
Moment (in.-lb)
Weight (lb)
Moment (in.-lb)
Basic Weight
1,138
125,965
1,280
138,905
Pilot
170
12,500
170
12,500
Passenger - Fwd Outboard
170
12,500
170
12,500
Cargo
500
50,800
500
50,800
1. Zero Fuel Weight
1,978
201,765
2,120
214,705
Add: Fuel
400
39,100
400
39,100
2. Gross Weight
2,378
240,865
2,520
253,805
Calculation of Longitudinal CG:
CG (Zero Fuel Weight)
369HE
Moment at Zero Fuel Weight
201,765
102 1 in
369HE
Zero Fuel Weight
=
1,978
= 102.1 in.
369HS
Moment at Zero Fuel Weight
214,705
101 3 in
369HS
Zero Fuel Weight
=
2,120
= 101.3 in.
CG (Gross Weight)
369HE
Moment at Gross Weight
240,865
101 3 in
369HE
Gross Weight
=
2,378
= 101.3 in.
369HS
Moment at Gross Weight
253,805
100 7 in
369HS
Gross Weight
=
2,520
= 100.7 in.
NOTE
:
The CG’s fall within the limits specified in Table 6-1.