Centre Of Gravity; Dimensions - P&M Aviation QUIK Maintenance Manual

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The specific gravity of fuel is taken to be 0.718 g/cc (1.58lbs/cc)
Therefore maximum fuel = 27/0.718 = 37 litres or 59/1.58 = 37 litres.
FUEL LOADS – QUIK GT450
The fuel tank is 65 litres capacity, including 1.6 litres unusable, giving 63.4 litres useable. The weight of the
fuel is 0.718 x 65 = 46.7 kg (102lb). The fuel load limitations for the range of allowable cockpit loads and
aircraft empty weights are placarded in the cockpit as follows:
EMPTY WEIGHT
217kg (477lbs)
226kg (497lbs)
265kg (583lbs) - max. empty weight
265kg (583lbs) - max. empty weight
Example loading problem:
Max AUW = 450kg, therefore (450 - 417)kg = 33kg or (990 - 917)lbs = 73lbs
The specific gravity of fuel is taken to be 0.718 g/cc (1.58lbs/cc)
Therefore maximum fuel = 33/0.718 = 46 litres.
PLACARDS:
The fuel capacity placard near the fuel filler neck must be marked with 65 litres.
A pilot weight/fuel weight placard must be filled in showing the trade-off between fuel load and cockpit load,
calculated according to the actual empty weight of the aeroplane.

3.3. CENTRE OF GRAVITY

Trike
The centre of gravity (CG) of the trike is not very critical - it only affects the range of pitch control movement,
not the trim speed. The CG of both the rear seat occupant and the fuel are as close as possible to the hang
point with the trike in the suspended attitude, so the suspended attitude is little affected with load variation.
Solo flight is from the front seat only.
Wing
The CG of the wing is critical. Due to the materials used and the quality control in manufacture, the CG of
the GT450 wing does not vary significantly in production. Items should not be attached to the wing which
significantly change the CG. The hang point position on the wing keel must not be moved from the designed
and tested position.
3.4. AIRCRAFT DIMENSIONS
Quik Wing Data
Wing Span:
Sail Area:
Aspect Ratio:
Quik GT450 Wing Data
Wing Span:
Sail Area:
Aspect Ratio:
Trike Data
Length (erect):
Length (fold down):
Width:
Track:
Height (erect):
Height (fold down):
Quik & Quik GT450 Maintenance Manual
th
29
March 2007
Issue 1
COCKPIT LOAD
Up to 186kg (409lbs)
220kg (484lbs) - max. load
168kg (370lbs)
Up to 138kg (304lbs)
Aircraft empty weight:
217kg (477lbs)
Pilot 1:
90kg (198lbs)
Pilot 2:
110kg (242lbs)
Total:
417kg (917lbs)
MAX FUEL LEVEL
65 litres (full)
5 litres
23 litres (1/3 full)
65 litres (full)
27.4 ft.
8.35 m.
114 sq ft.
10.6 sq. m.
6.57
30 ft 6in
9.3 m.
140 sq ft.
13 sq. m.
6.65
111.0 ins
290.0 cm
114.0 ins
290.0 cm
72.0 ins
83.0 cm
65.0 ins
165.0 cm
98.0 ins
230.0 cm
61.0 ins
140.0 cm
Page 17 of 54

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