SCHEMPP-HIRTH FLUGZEUGBAU GmbH., KIRCHHEIM/TECK
Ventus-2c
WING SPAN – 18 m (59.06 ft)
Water ballast load
Maximum all-up mass including water ballast:
600 kg / 1323 lb
C/G position of water ballast in wing tanks (aft of datum):
Inboard
wing: 179
mm
/
7.05
in
Outboard
wing:
220
mm
/
8.66
in
Total capacity of wing tanks (Inbd. and Outbd. wing):
202 kg / 445.3 lb
Inboard
wing: 174
kg
/
383.6
lb
Outboard wing:
28 kg / 61.7 lb
Warning:
To prevent overloading of the wing structure always fill water ballast
in outboard wing panels first, afterwards fill the inboard wing panels!
Table of water ballast loads at various empty masses and seat loads:
Wing span 18 m / 59.06 ft:
L O A D O N T H E S E A T ( k g / l b )
Empty
mass +
fin ballast
kg lb
kg lb
70 154
kg lb
80 176
kg lb
90 198
kg lb
100 220
kg lb
110 242
290 639 202 53.3 44.4
202
53.3 44.4 202 53.3 44.4
202
53.3 44.4
200
52.8 44.0
300 661 202 53.3 44.4
202
53.3 44.4 202 53.3 44.4
200
52.8 44.0
190
50.2 41.8
310 683 202 53.3 44.4
202
53.3 44.4 200 52.8 44.0
190
50.2 41.8
180
47.6 39.6
320 705 202 53.3 44.4
200
52.8 44.0 190 50.2 41.8
180
47.6 39.6
170
44.9 37.4
330 728 200 52.8 44.0
190
50.2 41.8 180 47.6 39.6
170
44.9 37.4
160
42.3 35,2
340 750 190 50.2 41.8
180
47.6 39.6 170 44.9 37.4
160
42.3 35,2
150
39.6 33.0
350 772 180 47.6 39.6
170
44.9 37.4 160 42.3 35,2
150
39.6 33.0
140
36.0 30.8
360 794 170 44.9 37.4
160
42.3 35,2 150 39.6 33.0
140
36.0 30.8
130
34.3 28.6
Liter
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W A T E R B A L L A S T I N W I N G T A N K S
Note:
When determining the max. permitted wing water ballast load, allowance must be made
for water ballast in the fin tank (see page 6.2.6 and 6.2.7), i.e. this load must be added
to the empty mass shown on the above table.
Empty mass as per page 6.2.3, fin ballast as per page 6.2.7.
May 2003
Revision
2
TN-No.
349-32
SCHEMPP-HIRTH FLUGZEUGBAU GmbH., KIRCHHEIM/TECK
FLIGHT MANUAL
WING SPAN – 15 m (49.21 ft)
Water ballast load
Maximum all-up mass including water ballast:
525 kg / 1157 lb
C/G position of water ballast in wing tank (aft of datum):
Inboard
wing: 179
mm
/
7.05
in
Total capacity of wing tanks:
Inboard
wing: 174
kg
/
383.6
lb
Table of water ballast loads at various empty masses and seat loads:
Wing span 15 m / 49.21 ft:
L O A D O N T H E S E A T ( k g / l b )
Empty
mass +
fin ballast
kg lb
kg lb
70 154
kg lb
80 176
kg lb
90 198
kg lb
100 220
kg lb
110 242
290 639
165 43.6 36.3
155
40.9 34.1
145
38.3 31.9
135
35.7 29.7 125 33.0 27.5
300 661
155 40.9 34.1
145
38.3 31.9
135
35.7 29.7
125
33.0 27.5 115 30.4 25.3
310 683
145 38.3 31.9
135
35.7 29.7
125
33.0 27.5
115
30.4 25.3 105 27.7 23.1
320 705
135 35.7 29.7
125
33.0 27.5
115
30.4 25.3
105
27.7 23.1 95 25.1 20.9
330 728
125 33.0 27.5
115
30.4 25.3
105
27.7 23.1
95 25.1 20.9 85 22.5 18.7
340 750
115 30.4 25.3
105
27.7 23.1
95 25.1 20.9
85 22.5 18.7 75 19.8 16.5
350 772
105 27.7 23.1
95 25.1 20.9
85 22.5 18.7
75 19.8 16.5 65 17.2 14.3
360 794
95 25.1 20.9
85 22.5 18.7
75 19.8 16.5
65 17.2 14.3 55 14.5 12.1
Liter
US
Ga
l.
IMP
Ga
l.
Liter
US
Ga
l.
IMP
Ga
l.
Liter
US
Ga
l.
IMP
Ga
l.
Liter
US
Ga
l.
IMP
Ga
l.
Liter
US
Ga
l.
IMP
Ga
l.
W A T E R B A L L A S T I N W I N G T A N K S
Note:
When determining the max. permitted wing water ballast load, allowance must be made
for water ballast in the fin tank (see page 6.2.6 and 6.2.8), i.e. this load must be added
to the empty mass shown on the above table.
Empty mass as per page 6.2.3, fin ballast as per page 6.2.8.
6.2.5
Summary of Contents for Ventus-2C
Page 11: ......
