Schempp-Hirth Ventus-3M Performance, Предварительное руководство по эксплуатации самолета

Страница: 125 / 230

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.