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12
4.
Locate the #108 push rods. Trim them to the
appropriate lengths: approx. 3.75” for flaps,
5” for ailerons.
Solder a clevis on the non-threaded end
(solder this clevis only!) for each of the 4
pushrods.
Final install the ¼” wheel collars onto the
torque tubes. Ensure the bolts are fully
tightened, unable to loosen.
Note:
The
orientation of the bolt should be such that the
horn bracket hole is inline with the center of
the pivot, otherwise, differential deflections
will be seen.
Install the pushrods onto the servos and
hornbrackets. For the flap pushrod, a hole
may need to be drilled for the pushrod to
extend through the spar. This will not
structurally affect the strength of the wing.
Your flaps and ailerons are now ready for fine
tuning deflections.
Note:
For ducted fan, ensure servo pushrods
clear the fiberglass ducting.
6.2 Fuselage
Assembly
6.2.1 Rudder
Rudder servo locations differ for ducted fan and turbine. The turbine installation
can use a standard servo if desired. The ducted fan installation requires a mini
servo. If desired, the ducted fan servo installation can be used for the turbine
installation, but NOT vice versa. The control horn setup described below is
common to both versions. The rudder servo installation for each is described in
Sections 6.2.1.1 and 6.2.1.2.
5.
Locate a 4-40x¾” bolt, 3/32” wheel collar,
and 4-40 horn bracket.
Using a Dremel cutoff wheel bevel the head
of the 4-40 bolt. This will allow for the horn
bracket to reach to the top of the bolt.
Thread the horn bracket onto the 4-40 bolt.
Ensure it is screwed to the top of the bolt
head.
Test fit the 3/16” wheel collar onto the rudder
torque rod. Additionally, check fit the 4-40
bolt into the 3/16” wheel collar. Ensure the 4-
40 bolt tightens well.
Note:
horn bracket
orientation should be parallel to actuation
when bolt is fully tightened.
Final install the control horn onto the rudder
torque rod.
Aft view
Содержание A-7D/E Corsair II
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