VL-3E-1 Pilot Operating Handbook
date of issue:
31/40
6.
Weight and balance
6.1
Introduction
This sections contains the payload range within which the VL-3 Evolution aeroplane may be
safely operated. Procedure of weighting the empty aeroplane is showen in the VL-3 Maintenance Manual
– chapter 1.5 Aeroplane empty weight and centre of gravity.
6.2
Permitted payload range
6.2.1
Weight limitations
Maximum take-off weight ……………………….……. 472.5 kg
Operating C.G. range ………………………………….. 21 - 34 % M.A.C
6.2.2
CG calculation
Empty weight (see 2.7)
m
pr
[kg]
Pilot weight
m
p1
[kg]
Copilot weight
m
p2
[kg]
Fuel quantity
vp [litr]
Baggage weight
m
z
[kg]
C.G. of empty aeroplane (see 2.8)
x
bsat
[%]
Wing leading edge position
x
NH
= 540 mm
M.A.C. displacement
x
SAT
= 68 mm
M.A.C.
b
SAT
= 1236 mm
Weight
m = m
pr
+m
p1
+m
p2
+vp*0,725+m
z
C.G. position
m
m
+
vp
+
m
+
m
+
b
x
m
=
x
z
p2
p1
sat
bsat
pr
1467
215
0.725
682
682
100
xt =
x
b
SAT
×
100
Example
Empty weight
m
pr
= 301kg
Pilot weight
m
p1
= 100 kg
Copilot weight
m
p2
= 0 kg
Fuel quantity
vp = 45 litrs
Baggage weight
m
z
= 10 kg
C.G. of empty aeroplane
x
bsat
= 17.1 % M.A.C
Take off Weight
m = m
pr
+m
p1
+m
p2
+vp*0,725+m
z
= 301+100+0+45*0,725+10 = 443,6kg
