Flylight Nynja Build, Manual

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b) At the rear of the tu34 support frame, the tubes are flattened slightly and fit
onto the bolt end protruding upwards from the fuselage at the trailing edge
attachments.
Figure 165 Rear ends of windscreen support frame
c) Slip one of the large diameter heat-shrink rings over each leading edge, and fit
the covered wings to the fuselage.
d) Ensure that the tu34 tubes fit behind the leading edge with around 3-5mm of
clearance, and that the curves of the top tubes match the curve of the large
innermost wing battens, to get a good fit between the Lexan windscreen and
the wing.
Use a long straight edge for this. It may be necessary to tweak the
stainless steel curved piece which joins the upright tubes to the curved
upper tubes, slide it up or down inside the vertical and curved tubes to
get the best position, and to re-drill the holes which secure it.
In the correct position the tubes should be centred, with the centres of
the tops of the tubes around 900mm apart, so that the upper curved
tubes are run parallel back to the rear attachments.
The cabin uprights will then lean slightly outwards from their bases.