L 23 SUPER - BLANIK
686 04 KUNOVICE
CZECH REPUBLIC
SAILPLANE FLIGHT MANUAL
Do - L 23. 1012.5
6 . 1 INTRODUCTION
Section 6 includes basic empty weight and moment of the sailplane with
standard equipment and the equipment list (standard and optional
equipment). Procedures for determining the weight and centre of gravity
position are explained by an example calculation.
6.2 WEIGHT AND BALANCE RECORD
Weight and balance record providing information for calculating centre of
gravity position is given in the Maintenance Manual of the L 23 SUPER -
BLANIK Sailplane, chapter 8.
6.3 BASIC EMPTY WEIGHT AND MOMENT
Basic empty weight
. . . . . . . . . . . . . . . . . . . . .
683 lb 2%
(with the installed wing tip extensions)
. . . . . . . . .
695 lb 2%
Moment to the reference plane . . . . . . . . . . . . . . 17,923.1 in-lb
(see weight and balance record).
The reference datum is located 93.6 in aft of the sailplane nose.
6.4 BALANCE CHART (FIG. 6-1)
1. Balance chart description
The varying load scales are in the upper part of the page. The separate
scales are plotted in the middle part of the page. The chart of the
centre-of-gravity position vs. sailplane weight is given in the bottom part
of the page. The region of the allowable centre of gravity range is the
slanted shape in the chart and it refers to all flight conditions.
( Cont. )
Dec 1/93
6 - 2
