DG Flugzeugbau LS4 - Water Ballast System and Sketches for Wing Control Systems; Water Ballast System LS4 and LS4-A

Maintenance Manual LS4
Issued: May 2011
Copyright DG Flugzeugbau GmbH - any copy or publishing prohibited
Manual valid with the up-to-date cover page only
1-6
1.7 Water ballast system and sketches for wing control systems
1.7.1 Water Ballast System LS4 and LS4-a
LS4 and LS4-a : Waterbags 4F5-13 (approx. 70 Liter <18.5 US gallons>
per wing) or
LS4-a optionally: 3F5-25 (approx. 85 Liter <22.45 US gallons> per wing),
retrofit for LS4 see TN 4014.
The bags 3F5-25 consist of 2 bags per wing which are connected via a tube
running from the valve at the root through the inner bag to the outboard
bag. The valve is constructed as a double valve.
Loading and dumping port on lower side of wings. Automatic hook-up
during rigging. Drive of valves at root rib via push rods.
Water ballast system in wings
LS4 and LS4-a
Water Ballast System in fuselage
LS4 and LS4-a