Schempp-Hirth Flugzeugbau Ventus-2cM Flight Manual page 98

SCHEMPP-HIRTH FLUGZEUGBAU GmbH., KIRCHHEIM/TECK
Ventus-2cM
5.2.2 Stall speeds
The following stall speeds (IAS) at various flap settings were determined in straight and level
flight:
Configuration
Wing span
All-up mass
(approx.)
C/G position
(aft of datum)
Stall speed, airbrakes closed
flaps at "+2"
flaps at "0"
flaps at "S1"
airbrakes extended
flaps at "L"
Airspeed indication oscillating with rearward c/g positions.
The loss of height from the beginning of the stall until regaining a normal level flight attitude is up
to 60 m (197 ft)
Configuration
Wing span
All-up mass
approx.
C/G position
aft of datum
Stall speed, airbrakes closed
flaps at "+2"
flaps at "L"
airbrakes extended
flaps at "L"
The loss of height from the beginning of the stall until regaining a normal level flight attitude is up
to 40 m (131 ft).
November 2003
Revision --
PROPELLER RETRACTED
15 m
400 kg 525 kg
880 lb 1157 lb
260 mm 380 mm
10.24 in. 14.96 in.
km/h 66 69 ± 5
kt 36 37 ± 3
mph 41 43 ± 3
km/h 70 75 ± 5
kt 38 40 ± 3
mph 43 47 ± 3
km/h 74 81 ± 5
kt 40 44 ± 3
mph 46 50 ± 3
km/h 76 75 ± 5
kt 41 40 ± 3
mph 47 47 ± 3
PROPELLER EXTENDED,
FULL POWER
18 m
456 kg
1005 lb
380 mm
14.96 in.
km/h
kt
mph
km/h 62
kt 33
mph 39
km/h
kt
mph
FLIGHT MANUAL
18 m
565 kg 565 kg
1246 lb 1246 lb
260 mm 380 mm
10.24 in. 14.96 in.
75 ± 5 65 ± 5
40 ± 3 35 ± 3
47 ± 3 40 ± 3
82 ± 5 66 ± 5
44 ± 3 36 ± 3
51 ± 3 41 ± 3
88 ± 5 75 ± 5
47 ± 3 40 ± 3
55 ± 3 47 ± 3
85 ± 5 72 ± 5
46 ± 3 39 ± 3
53 ± 3 45 ± 3
565 kg
1246 lb
380 mm
14.96 in.
65
35
40
65
35
40
69
37
43
LBA-app.
5.2.2