DG Flugzeugbau GmbH
Flight Manual LS 8-18 Normal
Procedures
4.5.10.5 Maximum Tail Fin Water Ballast
Maximum tail tank capacity: ................... - without battery box ......5.5 kg <12 lbs>
- with battery box ......3.8 to 4.1 kg <8.4 to 9.0 lbs>
Maximum integral tail tank capacity
..........................................12 kg <24.5 lbs>
Wing-Water
Mass
Specified
Tail tank-
Water Mass
Total-Water-
Mass
[kg] [kg] [kg]
25.0 -37.0
1.0
26-38
37.5 -49.5
1.5
39-51
Remaining volume of tail tank
can be used for trimming of
heavy pilots as follows:
50.0 -62.0
2.0
52-64
62.5 -74.5
2.5
65-77
75.0 -87.0
3.0
78-90
87.5 -99.5
3.5
91-103
100.0 -112.0
4.0
104-116
112.5 -124.5
4.5
117-129
125.0 -137.0
5.0
130-142
For
10
kg of pilot mass over
value of
Minimum Cockpit
Load for empty tail tank
a
maximum of 1.5
Litres of water
may be filled additionally.
Removing the tail fin battery
137.5 -149.5
5.5
143-155
150.0 -162.0
6.0
156-168
(3BR-199) decreases Minimum
Cockpit Load by 10 kg, see
162.5 -174.5
6.5
169-181
pages 6-1/2.
175.0 -187.0
7.0
182-194
187.5 -190.0
7.5
195-197.5
(see further directions page 4-9)
Wing-Water
Mass
Specified
Tail tank-
Water Mass
Total-Water-
Mass
[lbs] [lbs] [lbs]
55.1 - 81.6
2.2
57.3- 83.8
82.7 -109.1
3.3
86.0-112.4
Remaining volume of tail tank
can be used for trimming of
heavy pilots as follows:
For
22
lbs of pilot mass over
110.2 -136.7
4.4
114.6-141.1
137.8 -164.2
5.5
143.3-169.8
165.3 -191.8
6.6
172.0-198.4
192.9 -219.4
7.7
200.6-227.1
220.5 -246.9
8.8
229.3-255.7
248.0 -274.5
9.9
257.9-284.4
275.6 -302.0
11.0
286.6-313.0
value of
Minimum Cockpit
Load for empty tail tank
a
maximum of
0.4 US gallons,
0.33 Imp. gal.; 3.3 lbs of water
may be filled additionally.
Removing the tail fin battery
303.1 -329.6
12.1
315.3-341.7
330.7 -357.1
13.2
343.9-370.3
(3BR-199) decreases Minimum
Cockpit Load by 22 lbs, see
358.3 -384.7
14.3
372.6-399.0
pages 6-1/2.
385.8 -412.3
15.4
401.2-427.7
413.4 -418.9
16.5
429.9-435.4
(see further directions page 4-9)
Warning: See also Inadvertent Freezing / Icing, page 3-4
Edition: Dec. 2001
LBA-appr. Revision – 1 (TB 8011)
Page 4-12