Flight manual DG-800B
7.4
Flight controls
Rudder control:
See diagram 2 M.M.
cable system with adjustable pedals.
Elevator control:
See diagram 1 M.M.
Parallelogram control column stick. The parallelogram system reduces
the possibility of pilot induced oscillations.
All pushrods slide in maintenance free nylon ball guides.
Automatic control hook up system.
Trim:
Spring trimmer with release lever at the control stick and position
indicator at the left cockpit wall.
To trim, you have to operate the release lever and bring the control
stick and the wing flap handle to the appropriate position for the desired
trim speed.
If this is not enough, you can in addition push forward the trim
indicator (release lever operated).
It is possible to fly the DG.800B with the trim released. A rubber cord
connects thewingflap control with the trim system (see maintenance
manual sect. 1.2.5) and applies forward trim with negative flap settings.
Aileron and wingflap control:
See diagram 3 and 4 M.M.
The wings feature single piece flaperons, which are driven at two
places.
The mixing of aileron and flap deflections takes place in the fuselage.
Pushrods slide in maintenance free nylon ball guides.
Automatic control hook up system.
7.5
Airbrakes
See diagram 3 and 4 M.M.
Double storey Schempp-Hirth type airbrakes on the upper wing surface.
When operating the airbrakes the wingflaps will be moved from negative
to neutral position.
The wheel brake is operated by the airbrake system.
Pushrods in the wings slide in maintenance free nylon ball guides.
Automatic control hook up system.
Issued: November 1997
7.13
Flight manual DG-800B
7.6
Landing gear
See diagram 2 M.M.
a) Main wheel: retractable, assisted by a gas strut, spring mounted, fully
sealed landing gear box, internal drum brake, Tyre 5.00 - 5 4 PR or 6
PR Diameter 362 mm (14.25 in)
Tyre pressure 3.5 bar (51 psi)
Drum brake, hydraulic disc brake as an option
b) Tailwheel:
Tyre 200 x 50 2 PR Diameter 200 mm (7.87 in)
Tyre pressure 2 bar (29 psi)
7.7
Tow hooks
See diagram 5 M.M.
"Safety release G 88" for winch- and aerotow installed near the C.G..
additional as option "nose release E 85" installed under the instrument
console, only for aerotow. Both hooks are operated by the same handle.
Warning: If no C.G. hook is installed, winch launching is not permitted
with this glider.
7.8
Seats and safety harness
The seat is constructed as an integral inner shell.
The backrest is adjustable by means of an aircushion (Adjustment see
sect. 7.3 item 22).
The backrest can be screwed to the seat shell at 3 different positions
dependent on the thickness of the parachute.
The head rest is integrated in the back rest to take up the rebound forces of
the pilots head in the case of a crash landing.
Warning: If the DG-800 shall be flown without back rest, a separate
neckrest (Option) must be installed.
As safety harness only symmetric 4-point harnesses fixed at the given
fixing points are allowed.
7.9
Baggage compartment
Max. load 15 kg (33 lbs.).
Heavy pieces of baggage must be secured to the baggage compartment
floor. The max. mass secured on one half of the floor (left and right of
fuselage centre line) should not exceed 7.5 kg (16.5 lbs.).
Issued: September 2000 ÄM 800-12-00
7.14
