JHI-A7-06-0001
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13
6.2.1.1 Turbine
A mini servo is recommended for use on the rudder actuation. A standard servo
can be used if desired. Carbon arrow shafts with plastic ends are required for
this step.
6.
Locate the rudder servo mount parts (rudder
mount, RB).
Key the parts RB into place and glue
vertically to the sides of the rudder mount as
shown using 5-minute epoxy.
7.
Mount the servo into the servo mount.
Note:
The servo slot is sized for mini servos.
Mounting a standard servo requires the
removal of the inner cross brace as shown
and the slot widened approximately 3/32”.
With the servo still in place, glue the servo
mount into the airframe using a slow cure
epoxy. Placement should be such that the
servo arm is approximately in line with the
forward wheel well bulkhead with the bottom
of the servo resting on the engine mount
parts.
Note:
Depending on the type of servo
used, some custom fitting may be required to
mate to the side of the fuselage.
8.
From a carbon arrow shaft, cut an
approximately 20” length for use as the
rudder pushrod.
Locate a 2-56x12” Dubro #108 push rod.
Trim the threaded end to approximately 4”
and the unthreaded end approximately 3”.
Solder a clevis onto the unthreaded wire.
Using 5-minute epoxy, glue this assembly
into the plastic end leaving approximately
1.5” exposed (including the clevis).
Note:
To
ensure a good positive bond, roughen the
wire prior to bonding with the plastic end.
Glue this assembly into one end of the 20”
carbon pushrod using 5-minute epoxy. Sand
the mating surface of the pushrod end prior to
gluing.
Again with 5-minute epoxy, glue the threaded
wire into the plastic end keeping the required
exposed length. Once cured, epoxy into the
open end of the pushrod.
Note:
Gauge the
necessary exposed length for the threaded
wire by test fitting in airplane. Approximately
1.5-2” of exposed wire should be required.
Remove if mounting standard
servo
Summary of Contents for A-7D/E Corsair II
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