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

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SCHEMPP-HIRTH FLUGZEUGBAU GmbH, KIRCHHEIM/TECK
Ventus-3M „Performance“ FLUGHANDBUCH
March 2019
Revision –
7.9.1
7.9 Water ballast system(s)
The operating knob in the cockpit actuates the wing tanks and the fin tank (option).
The fin tank dump valve is driven by a steel cable connected to the torsion drive
for the wing tanks, see page 7.9.3 and page 7.9.4.
The torsion drive of the wing tanks is operated via a push rod, see page 7.9.3. For
serial numbers V3M 021 and V3M 031, the torsion drive is actuated via a cable
drive.
The water ballast is dumped through an opening on each side of the lower wing
surface. The opening is located at half wing span of approx. 1.8 m, see page
7.9.2.
The torsion drive for the wing dump valves is automatically connected during wing
assembly. The operating knob in the cockpit must be in the "CLOSED" position
and the torsional drive at the root rib must be in rigging position.
The operating knob runs in a gate and can be locked in its respective end
positions.
Information on flying with water ballast and handling - see page 4.5.9.1ff.