E-flite Extra 260 3D Profile - Manual (Page 36)

  2. Pass the landing gear through the opening in
the fuselage and wing. DO NOT use glue until
instructed to do so.
 3. Repeat Steps 1 and 2 for the remaining strut.
 4. The struts should extend roughly 3/32" (2.5mm)
through the top of the wing. This will give the
landing gear support disks plenty of strut to
attach to.
Hint:.You.can.just.drop.the.disks.into.position.
and.check.to.make.sure.the.strut.extends.
beyond.the.disk.instead.of.measuring.it.
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