Grob Astir CS G102, Flight Manual

Page: 21 / 48

FLIGHT MANUAL ASTIR CS
Rev. 9 28. Nov. 2005
21
Weights
Datum Line: Front edge of the wing at the root.
Leveling means: With a 1000:40 Incidence Board set up horizontal on the top of
the rear fuselage.
Weight on main-wheel G
1
= lbs
Weight on tail-skid G
2
= lbs
Empty Weight G
L
= G
1
+ G
2
= lbs
Displacement of main-wheel a = mm
Displacement of tail-skid b = mm
Empty Weight C. of G.
G
2
x b
X = + a = + = mm behind Datum Line
G
L
Maximum Load G = 836 – G
L
= lbs
The measurements of determine the empty weight, the empty weight C. of G. and the
loading limitations should always be taken with the glider empty of water ballast