GREAT PLANES AT-6 Texan Buku Petunjuk - Halaman 9
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B. Test fit the servos in the tray. Enlarge the openings if
needed to create a 1/32" (.8mm) gap around the servo.
C. Mark servo mounting hole locations on the tray, then drill
1/16" (1.5mm) pilot holes through each mark.
D. Mount the servos with the screws provided with your
radio system. Notice the servo orientation when installing.
3. Install and hook up following the manufacturer's
recommendations - three servos, the receiver, switch and
battery as shown in the photo. We added a Great Planes
Switch Mount & Change Jack (GPMM1000, not included)
for convenience and ease of use at the field, installed on
the side of the fuselage. Center the elevator, rudder and
throttle trims on the transmitter.
Prepare two "cross" style servo horns as follows but don't
install them on the servos until instructed to do so.
Note: The size and shape of servo horns varies from
manufacturer to manufacturer. The sketches and photos
show a typical radio installation with standard horns. All
standard servo horns should fit in the AT-6.
CUT OFF
UNUSED ARMS
A. Cut off three arms from two servo horns included with
your radio control set to make them into "one arm" servo
horns. Use your Bar Sander to remove the remaining
jagged edges left from the cut-off arms.
B. Enlarge the holes in the horns with a 5/64" drill.
C. Turn on your transmitter and receiver, then position the
aileron, rudder, elevator and throttle trim tabs on your
transmitter in the center. This is called "centering" the
servos and will allow you to place the servo horns on the
servos in a neutral position. Attach the arms to the servos
as shown in the following photo.
19mm) hardwood Servo Mounting Blocks to the Aileron
Servo Hatches. Install the aileron servos as shown in the
photo. NOTE: Both aileron servos should be identical to
prevent any mismatch in speed or throw. After "fishing" the
servo wires through to the opening at the center of the
wing, plug them into a "Y" harness. Before permanently
screwing the servo hatches into position, hook up your
radio and double check the centering and direction of both
aileron servos.
holes through the servo hatches and into the servo rails at
ENLARGE TO
each of the four corners. (It may be necessary to trim the
5/64"
hatch support rails as necessary to provide clearance for the
servo mounting blocks.) Remove the hatches, and enlarge
the holes in the hatches using a 3/32" (2.4mm) drill bit. Use
#2 x 3/8" Sheet Metal Screws to install the servo hatches.
Ailerons using the hinges. Push the ailerons against the
trailing edge of the wing so there is approximately a 1/64"
(.4mm) gap between the leading edge of the aileron and
the trailing edge of the wing. Leave a gap of 1/16" (1.5mm)
between the end of the aileron and the wing as shown in
the following photo to allow the ailerons to move freely
without binding against the wing. Add six drops of thin CA
to the center of the hinges on both sides. Use a paper towel
to absorb excess CA from the hinge gap before it cures. Do
not use CA accelerator; allow the CA to cure slowly.
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4. Epoxy the 7/16" x 7/16" x 3/4" (11mm x 11mm x
5.With the servo hatches in position, drill 1/16" (1.5mm)
6. Cut six hinges from the hinge material. Install the