3 mm!
3 mm!
When you trial fit the ailerons
to the wings please check on
the photos left hand side. The
trailing edge of the aileron
steps back 3 mm from the
wing tip, and the trailing edge
then continues in one line to
the trailing edge of the wing.
The little trim tab on the aileron
steps out of this line again
about 3 mm.
Now cut a rectangular hole into
the rear spar of each wing.
See the drawing below for the
exact dimensions. First, this
hole is to mount the aileron
servo, second, it allows to
bring in the flap linkage easily.
Through this hole you can see
the servo mount for the aileron
servo. It is designed for a
standard size servo. The servo
arm will have to be mounted to
the top wing, slightly angled
backwards, so that the linkage
can go perpendicular from the
control horn directed to the
bottom surface of the wing.
The aileron control horn is
glued in from the bottom side,
and you have to cut a slot for
the linkage into the bottom
wing skin, approx 25 mm (1”)
in front of the aileron control
horn.
But now mount the control
horn first into both ailerons.
Mill a slot 2mm wide and
approx. 10 mm long into the
botton side of the ailerons,
about 5-6 mm (1/4”) distance
from the aileron root. Make
sure NOT to cut the
root rib
aileronrib
cut out
flap spar
70 mm
2 3/4”
170 mm
6 3/4”
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