Reely SZD-54 Bedienungsanleitung Seite 48

Then install the rudder on the fuselage and screw it on to the fuselage with a M4 x 35 screw (see figures 3 + 4).
Imprecise fits should be carefully corrected with a cutter knife and/or fine sand paper.
Figure 4
Figure 3
Also check if installation at an angle of 90° is possible without problems.
Figure 5
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