PIK-20 E Service manual
A
Mote 2:
In any case mpmax cannot be greater than 110 kg. The second
limit is the max. weight for the nonlifting parts (total weight — weight
of wings and water ballast).
Thus:
mpmax = 328 kg — actual empty weight (including equipment and
fixed ballast) + weight of wings — weight of fuel.
5.5 Sample Problem: Actual empty weight and moment of the
sailplane
Sam pie sailplane
Your sailplane
Weight
kg
Arm
m
Moment
kgm
Weight
kg
Arm
m
Moment
kgm
1. Empty Weight x)
(last weighing)
2. Equipment
At inst. panel
3. Equipment in
luggage compartm
4. Nose ballast
5. Ballast at tail wheel
290
3.1
1.2
4.0
-2.0
0.915
2.20
0.25
6.1
799.0
2.8
2.6
1.0
-12.2
0.915
0.25E
Actual Empty
Weight
296,3
2.677
793,2
x) See Weight and Balance Data Sheet
EIRI KY -
Kisällinkatu 8
SF-15170 Lahti 17
y
page 11-36