Great Planes Extra 300S 40 Kit - GPMA0235 - Manual (Page 41)

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8. Route the receiver antenna. On our prototype we
drilled a small hole in the bottom of the fuse aft of the wing
bolt plate and inserted a piece of rubber tubing to route the
antenna through (fuel tubing or neoprene retractable
landing gear air tubing works well). Make a strain relief from
a cut-off servo arm and place it on the antenna near the
receiver as shown on the plan, then route the antenna
through the tubing. Make a hook out of another cut-off
servo arm and loop the end of the antenna to it. Connect
the other end of the cut-off servo arm to a rubber band and
loop it around the tail wheel wire.
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9. Apply 1/16" seating tape on the wing saddle of the
fuselage if you choose.
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10. Prepare the engine compartment for installing the
cowl by connecting the fuel lines, installing the fueling
valve, mounting the muffler and connecting the throttle
pushrod. Install the cowl, then mount the spinner back
plate, prop, prop washer and prop nut. Install the spinner.
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1. Place the canopy on the fuselage in the location
shown on the plan, then temporarily hold it in position with
tape or rubber bands.
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2. Use a felt-tip pen to accurately trace the canopy outline
onto the MonoKote film covering. Remove the canopy.
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3. Use a sharp #11 blade to carefully cut the covering
about 1/32" inside of the line you marked without cutting
into the balsa. Wipe away the ink line with a paper towel
lightly dampened with alcohol.
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4. Before you permanently glue the canopy to the
fuselage, securely glue your pilot in place. For the most
security, in addition to glue, screw the base of the pilot to
the cockpit floor with two #4 or #6 sheet metal screws from
the underside of the cockpit floor. Place the instrument
panel decal on the instrument panel.
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5. Reposition the canopy on the fuselage and confirm
that it covers the exposed wood. Glue the canopy to the
fuselage using rubber bands or masking tape to hold it in
position until the glue dries. We recommend a glue
specifically formulated for gluing on canopies such as
Pacer “Formula 560” canopy glue. Formula 560 is like
regular white glue (aliphatic resin) in that it dries clear and
cleans-up with water but sticks extremely well to butyrate
and dries overnight (to allow for accurate positioning).
CARBURETOR WIDE OPEN
RUDDER MOVES RIGHT
LEFT AILERON MOVES DOWN
RIGHT AILERON MOVES UP
ELEVATOR MOVES UP
4-CHANNEL
TRANSMITTER
(STANDARD MODE 2)
4-CHANNEL RADIO SETUP
TRANSMITTER
4-CHANNEL
TRANSMITTER
4-CHANNEL
TRANSMITTER
4-CHANNEL
IMPORTANT
Do not exceed the elevator throws provided. The Extra
300 requires very little elevator throw to perform even
the most aggressive aerobatics. Exceeding the
recommended throws may result in a model that is
very difficult to control.
Set the Control Throws
Attach the Canopy
41