COMCO IKARUS
Maintenance Manual C42 Series
MaintenanceManual C42-
Series_Issue_VII_18.02.2014.doc
Revison No.:1 84 from 107
5.2.2 Wing
The wing has a ladder construction comprising leading and trailing edge tubes,
connected by compression struts at intervals along its span. The triangulated wing
struts, terminating at a fixed point at the top of the undercarriage, brace the wing
against fore and aft loads. In normal +g flight these struts are under tension.
In +g flight both leading and trailing edge tubes inboard of the wing struts junctions,
experience compression loads from the wing struts, as well as direct bending from lift
loads.
The wing, tail empennage and all control surfaces are constructed of thin walled
aluminium tubing. They are covered by a reinforced polyester fabric, sewn into
complete envelopes and fitting tightly over their frames.
Figure 78: Wing frames
Aileron bellcrank
Compression strut
Aft spar
Fwd spar
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