Rev. 02 – July 16
th
, 2009
4 Weight-and-Balance-Information
Weight and Balance Information 4 - 5
4.5 Calculation Example
The following example is given to show how to calculate the center
of gravity „CG“.
Weight
lb
Arm
Inch
Moment
lb-Inch
Empty Weight 670 12.5* 8,375
Occupants 175 8.3 1,452.5
Fuel 120 37.8 4,536
Baggage 30 37.4 1,122
Weight Total:
995
Moment Total:
15,485.5
Moment Total
(lb-Inch)
Center of
Gravity
(Inch)
=
Weight Total
(lb)
= 15,56 Inch
Calculation example to determine payload
In the example below the maximum take-off weight is 1,320 lb at an
empty weight of 670 lb.
A.
Fuel quantity 10 gallons = 60 lb
Permissible payload: = 590 lb
B.
Fuel quantity 20 gallons = 120 lb
Permissible payload: = 530 lb
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