SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK
Ventus-3M „Performance“
FLIGHT MANUAL
March 2019
Revision –
5.3.3.1
5.3.3
Range (without influence of wind)
a)
Values below refer to level flight at cruising power (continuous RPM):
Crusing speed approx.:
160 km/h (86 kts, 99 mph)
Fuel consumption approx.:
22.5 ltr/h (5.94 US Gal/h, 4.94 IMP Gal/h)
Option
Option
Usable fuel
fuselage-
tank
Right
wing tank
Left wing
tank
Level flight
endurance
[h:mm]
Rang
Liter
US
Gal.
IMP
Gal.
SN 31 and on:
12.7
3.7
2.8
X
0.33
90 km / 48 nm
12
3.17
2.6
X
X
1:05
175 km / 94 nm
12
3.17
2.6
X
X
X
1:37
260 km / 140 nm
SN 21:
11
2.9
2.4
X
0:29
75 km / 40 nm
5
1.3
1.1
X
X
0:42
110 km / 59 nm
5
1.3
1.1
X
X
X
0:55
145 km/ 78 nm
b)
The following values are based on the “sawtooth"-method, see page 4.5.4,
and the following parameters:
Climbing with maximum continuous power
All-in weight 530 kg (1168 lp), climbing speed 98 km/h (53 kts, 61mph)
Climbing from 500 m (1640 ft) MSL to 1500 m (5000 ft) MSL
Gliding at the speed of the L/D
Fuel consumption approx. 22.5 ltr/h (5.9 US Gal./h, 4.9 IMP Gal./h)
This results in an average cruising speed of approx. 110 km/h (60 kts, 68
mph).
Option
Option
Usable fuel
fuselage-
tank
Right
wing tank
Left wing
tank
Level flight
endurance
[h:mm]
Rang
Liter
US
Gal.
IMP
Gal.
SN 31 and on:
12.7
3.7
2.8
X
2.24
265 km / 143 nm
12
3.17
2.6
X
X
4:45
525 km / 283 nm
12
3.17
2.6
X
X
X
7:00
775 km / 418 nm
SN 21:
11
2.9
2.4
X
2:06
230 km / 124 nm
5
1.3
1.1
X
X
3:00
330 km / 178 nm
5
1.3
1.1
X
X
X
3:59
440 km/ 237 nm
Climb performance
All in weight = 530 kg (1168 lb) - See diagram on page 5.3.3.2.
