Fixed Ballast At Rear Fuselage End - DG Flugzeugbau LS8 Maintenance Manual

8.2 Fixed Ballast at rear fuselage end

In special cases empty weight C.G. position may be shifted rearward to
allow heavy pilots to fly with rearward in-flight C.G. positions.
Therefore it is possible to install a battery see section 9.9 (when a battery
box is fitted), a heavy tail wheel hub or a trim weight (drawing 4R8-109) at
the vertical tail fin web lower end using a holder (according to drawing
4R8-107b), see Sketch (Tail wheel box and lower rudder bearing not
drawn).
The rear trim weight holder must be
fitted to 4 mounting bolts of the
elevator drive system, accessible after
rudder disassembly. The holder can
carry one trim weight.
Washers
B6.4 DIN9021-Stzn
Nuts
M6 LN9348 or
M6 DIN985-8zn
(width over flats
10 mm)
Warning: Never dismount the rear trim weight holder, bolts and nuts are fixing
points for the elevator system!
Disassembly and assembly of rudder see section 4. Check for unobstructed
movement of rudder and measure rudder deflections after work!
After permanent installation of fixed ballast, execute a new empty mass and
balance weighing, see chapter 2.
Maximum weight of rear trim weight: approx. 2.45 kg <5.4 lbs>. (Part 4R8-
109)
Issued: December 2009
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Manual valid with the up-to-date cover page only
Maintenance Manual LS8
8-2