Order No. 4451 Fuselage kit Order No. 4451.K ... - Graupner

UNI-STAR 60
1.8 Installing the skids
Check that the front and rear skid clips 1291.2 are fixed to the mechanics in such a way that the
countersunk holes which take the M3 nuts are on top; if necessary turn them over. Press M3
nuts into the rear skid clips from above. Fit a spacer in each front bracket as shown in the
drawing using an M3 x 12 socket-head cap screw, with a drop of thread-lock fluid to secure the
joint.
Slide the skid tubes 4447.7 through the skid bars 4447.6 and adjust the position of the bars until
the distance between the fixing screw holes is 207 mm.
Fix the skid bars 4447.6 to the mechanics using socket-head cap screws: M3 x 16 (rear) and
M3 x 10 (front). Push the skid tubes 4447.7 into the skid bars 4447.6 as shown in the drawing
and set them parallel to each other. The bars should project by about 50 mm at the rear. Drill
1.5 mm Ø pilot-holes through the bars and skids from the inside, then fit 2.2 x 6.5 mm selftapping
screws to prevent the skids shifting. Apply epoxy to the ends of the skid tubes and push
the end-plugs into place.
1.9 Silencer support (not required for "TRAINER UNI-E")
Install the silencer as described in the mechanics instructions. Fit the front flange 1292.6 and
the silencer holder on the tail boom and rotate it until the holder can support and secure the
silencer tail pipe. Push a length of silicone exhaust hose on the tail pipe then tighten the M3 x
16 socket-head cap screw.
1.10 Tail rotor linkage
Fit a piece of plastic tube about 5 cm long into the pushrod guide in the rear flange 1292.6, and
push 5 mm lengths of silicone fuel tubing on both ends to hold it in place. To connect the tail
rotor pushrod 4451.3 you must first loosen the screw in the tail rotor bellcrank 4618.60, then
introduce the pushrod from the tail end, plain end first, and slip it through the guide holes in the
tail rotor gearbox flange, the horizontal stabiliser clip, the strut support and the guide clip on the
tail linkage support 4451.6. If the pushrod is stiff where it passes through the tail rotor gearbox
flange, open up the hole in the flange using a 2 - 2.5 mm Ø twist drill. Connect the pushrod to
the outermost hole in the bellcrank, then re-tighten the screw. The pushrod is connected to the
tail rotor servo at the front end using a clevis screwed on a soldered-on threaded coupler (both
included with the mechanics). You will need to shorten the pushrod before soldering it into the
threaded coupler; at the centre setting of collective pitch the output arm of the tail rotor servo
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