DG Flugzeugbau GmbH
Flight manual DG-500M
8.4 Tie Down, Parking
To tie down the wings use the wing cradles of your trailer. The fuselage
should be tied down just ahead of the fin. Water ballast can be left in the
wings, for a few days only, but not when there is the possibility of freezing!
On sunny days the cockpit should be closed and covered.
Note: Longer parking with exposure to sun and humidity will cause
premature ageing of the skin of your sailplane.
Parking over night with the wing fuel tanks not emptied is prohibited.
8.5 Trailering
It is recommended to carry this valuable sailplane in a factory approved
closed trailer.
Approved fitting points:
Inner wing panels:
1. Wing spar as close to wing rootrib as possible or a rootrib wing cradle.
2. A wing cradle at the taper change.
Stabilizer and outboard wing panels:
Cradles as desired.
Fuselage:
1. A felt lined fiberglass nose cap which does not extend over the
canopy, secured to floor.
2. Fuselage dolly in front of the tow hook.
3. Tail wheel well in trailer floor. Secure fuselage with a belt in front of
the fin or hold it down with the trailer top (soft foam in top).
All aircraft structures should not be subject to any unusual loads. With high
temperatures that can occur inside trailers, these loads in time can warp any
fibre reinforced plastic sailplane.
The trailer should be well ventilated so as to prevent moisture build up
which could result in bubbles forming in the gelcoat. A solar powered
ventilator is recommended.
Issued: April 1997 8.3
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