F
F
L
L
I
I
G
G
H
H
T
T
M
M
A
A
N
N
U
U
A
A
L
L
Document No.:G304MS/AFM
Date of Issue: 07/14
4-22
Approved
4.5.7 Flying with water ballast
At average climbing speeds of less than 1,5 m/sec (2,9 kts, 300
ft/min) the use of water ballast does not benefit.
This is valid also for flights in tight thermals, which require steep
angles of bank.
CAUTION
Do not add water ballast below 0°C (32
o
F), because of freezing
danger.
Wing water ballast tanks
CAUTION
Never fill the water ballast into inner tanks if wing fuel tanks
contains fuel.
Wing water ballast tanks are located in front of the main spar of the
central wing section. Contamination of the filling water must be
avoided. Before water ballast is added, check the table in section
6.4 for the maximum weight of water ballast. The total capacity of
the wing tanks is 194 liters (aprox. 42 UKgal, 51 USgal).
Let the actuating lever in "closed" position, fill through the openings
at the upper wing surface.
CAUTION
As the holes in the filler cap also serves for venting the tank, it
must always be kept open”
Tanks must not be pressurized, e.g. fill directly from the water
hose. Both tanks must be filled equally.
Balance both wings prior take-of with semi filled tanks. Your helper
should support the wing to prevent wing drop.
Water ballast tanks are dumped through the valves at the wing
lower surface.
Wing valve controls are connected with the fuselage automatically
during the sailplane rigging. Before rigging the control lever at the
Содержание Glasflugel 304 MS
Страница 14: ...F FL LI IG GH HT T M MA AN NU UA AL L Document No G304MS AFM Date of Issue 07 14 1 6 1 5 Three view drawing ...
Страница 23: ...F FL LI IG GH HT T M MA AN NU UA AL L Document No G304MS AFM Date of Issue 07 14 2 8 Approved ...
Страница 28: ...F FL LI IG GH HT T M MA AN NU UA AL L Document No G304MS AFM Date of Issue 07 14 2 13 Approved ...
Страница 95: ...F FL LI IG GH HT T M MA AN NU UA AL L Document No G304MS AFM Date of Issue 07 14 7 16 Wiring plan ...
Страница 104: ...F FL LI IG GH HT T M MA AN NU UA AL L Document No G304MS AFM Date of Issue 07 14 9 2 9 3 Supplements inserted ...