ROBBE AMPLITUDE Instruction And User's Manual page 16

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Now mount the servo arms in 90 ° position on the previously neutral servo. Drill a hole in the aileron servo
arm at a distance of approx. 9mm from the output to 1.6mm. For flap servo arm select a bore distance of
approx. 6mm. The servo arm is screwed on one tooth forward (towards the leading edge).
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Instructions and User Manual
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Now make two 43mm long linkages for the ailerons from
the M2 clevises, nuts and threaded rods. For the flaps take
the linkage with Z-bend and clevis.
W I N G S
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Screw the brass rudder horns with thread locking com-
pound into the threads in the rudders. Then hook the
linkage into the holes on the rudder and servo levers.
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Now glue both aileron servos with slightly thickened
epoxy resin. The exact position is now determined by the
neutrally fastened rudder blade, the 90 ° servo lever and
the rod length.
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The flaps are cross-jointed in the classic way, i.e. from the
underside of the wing to the top. Now make two 44mm
long linkages for the flaps from the short Z-booms and
M2 clevises. The gluing is done in the same way as for the
ailerons, but now the servo arm is slightly tilted forward in
the electronic neutral position.