Finish the cockpit – Great Planes Super Sportster 40 MkII ARF - GPMA1042 User Manual

Page 17

Advertising
background image

11. Connect a screw-lock connector to the throttle servo

arm using a nylon retainer. Cut the throttle guide tube and
pushrod wire to the correct length, then bend the wire as
necessary so it will align with the screw-lock connector on
the servo arm. Make a guide tube support by drilling a
3/16" [4.8mm] hole through a piece of balsa leftover from
the fuel tank brace, then position the support as shown.
Connect the throttle pushrod wire to the servo, then glue the
guide tube support and the guide tube into position.

12. Drill 1/16" [1.6mm] holes through the servo tray for

the servo mounting screws. Add a drop of thin CA to the
holes and allow to harden (it is best to take the servos out
of the tray while doing this to avoid inadvertently gluing the
servos to the tray). Reposition the servos and mount them
to the tray with the screws that came with the servos.

13. Mount the battery pack, receiver and on/off switch (be

certain to mount the switch on the side of the fuse opposite
the engine exhaust). The switch was mounted to a Great
Planes Switch and Charge Jack which allows access to the
battery charging cord from outside the model for quick field
charging and battery monitoring. You could wait until
balancing the model (see page 19) to determine the location
of these items (to minimize or eliminate the requirement for
additional ballast to get the model to balance), but the model
shown in this manual required no tail weight with the
components mounted where shown. After connecting the
servo, battery and switch wires, wrap both the battery pack
and receiver in 1/4" or 1/2" [6mm or 13mm] R/C foam rubber
to protect them from vibration. Hold them in position with a
balsa stick glued to the fuselage sides. Note: If you have
difficulty installing the battery pack where indicated, remove
the servos and install the battery from the cutout where the
servos go. A 500 mAh flat pack was used in this model.

14. Glue the piece of guide tube leftover from the throttle

to the inside of the fuselage to keep the antenna away from
the servos and pushrods. Make a

strain relief from one of

the cut-off servo arms and install it on the antenna. Route
the receiver antenna through the tube and out of the
fuselage. On the model shown in the manual the antenna
was routed out the bottom of the fuselage through a small
piece of tubing, then connected to a hook fashioned from
another leftover servo arm which was connected to a rubber
band and a wire hook (made from a T-pin) inserted into the
bottom of the fuse.

15. Mount the tail wheel to the tail gear wire using a 3/32"

[2.4mm] wheel collar and the set screw with a small drop of
thread locking compound on the threads.

Refer to this photo while finishing the cockpit and
gluing in the pilot.

1. Paint the inside of the cockpit black, or other color of

your choice. After the paint is fully dry, cut out, then apply
the instrument panel decal.

2. Use curved-tip scissors to trim the canopy 1/4" [6mm]

outside the molded-in cutline. True the edges by sanding
with medium-grit sandpaper, then remove the “fuzz” from
the edges by sanding with 400-grit sandpaper. Wash the
canopy in soapy water, then rinse.

3. If installing a pilot

(don’t cut corners now–go all the

way!), select a 1/6-scale pilot such as a William’s Brother’s
#180 Racing pilot (WBRQ2480) or a #184 Sportsman pilot
(WBRQ2484). Assemble the pilot, then place it in the
cockpit and position the canopy to see if the pilot fits. If
necessary, trim the pilot to fit under the canopy.

Finish the Cockpit

17

Advertising