FLIGHT MANUAL
DYNALI HELICOPTER COMPANY
Edition N°3
DYNALI H2S January 2012
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55
BALANCE LIMIT
Minimum mass of solo pilot 60 kg. Below this mass, when the fuel runs low, the limits of aft
balance may be exceeded. Below this mass, ballast must be added to maintain the
equivalent of 60 kg minimum on the passenger seat.
In hovering flight, at the limit of the aft balance, the Dynali H2S will be inclined 2° to the rear.
At the forward balance limit, the H2S will be inclined 3° forward.
Below are two examples of calculating balance. The points defined by these two examples
are reflected in the longitudinal balance graph.
Example 1
for balance calculation :
1 passenger, 27L of fuel, doors removed
Mass
[kg]
Distance %
datum
[mm]
Moment
[kg.mm]
Empty weight
465
-115
-53475
Left hand passenger
(!Put the heavier person on the left!)
83
575
47870
Right hand passenger
-
575
0
Usable fuel d
(0.7 kg/l)(max 90L=60 kg)
27L
19
175
3307,5
Baggage
(max 26 kg)
0
0
0
TOTAL
575
//////////////
-2300
CG for this configuration
-2300 / 575
-4 mm
Example 2
for balance calculation :
2 passengers, 55 litres of fuel, doors mounted
Mass
[kg]
Distance %
datum
[mm]
Moment
[kg.mm]
Empty weight
465
-115
-53475
Doors mounted (2 * 3 kg)
6
575
3450
Left hand passenger ( !Put the heavier
person on the left!)
85
575
48875
Passenger on the right
81
575
46575
Usable fuel
(0.7 kg/l)(max 85 l=60 kg)
55 litre
39
175
6825
Baggage
(max 26 kg)
0
0
0
TOTAL
676
//////////////
52250
CG for this configuration
52250 / 676
77 mm