Carl Goldberg GBGA1088 User Manual
Page 25
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Cowl Mounting
1. Collect the following items.
(1) Cowl
(4) 4-40 x 1” Socket Head Bolt
(4) #4 Washer
(4) 1/4” pieces silicone tubing
(1) 4” x 12” Clear Plastic
2. Place the 4” x 12” plastic strip so that it is sit-
ting on top on the engine just past the cylinder
head.
Tape the plastic to the fuselage at the very end
with masking tape.
Mark a outline around the cylinder head and
you exhaust pipe.
Make a mark where the back of the plastic is
sitting on the fuselage.
Un-tape the plastic sheet from the fuselage
and cut out the plastic where you marked for
the engine.
2. Unscrew the engine from the motor mounts.
Place the cowl on the fuselage and fasten
using the 4-40 x 1” bolts and washers.
Re-tape the clear plastic sheet on the marks
that you made on the fuselage.
Make a mark where the cut out is on the cowl.
remove the cowl and cut out the openings.
NOTE: Start with small openings then slowly
increase the size till the cowl fits.
3. Use the same method to locate the holes for
the needle valve and any other openings you
need.
Servo Installation
1.
Collect the following items.
(1) 8mm x 17” wooden dowel
(2) pieces of 1/2” shrink tubing
(1) 5/32” x 19” nylon tubing
(2) 2-56 x 7-1/2” pushrods threaded one end
(1) 2-56 x 6” pushrod threaded one end
(1) 2-56 x 20” pushrod threaded one end.
(1) remainder of pull-pull cable from flying
wires
(4) cable swages(brass tubing)
(4) 2-56 rigging couplers
(8) 2-56 golden clevis
(8) clevis clips
(1) pushrod connector
You will need 7 servos for the plane. we
recommend a standard servo on the throttle and 4
standard servos are ok for the ailerons. The elevator
and rudder needs a 100oz of more servo. We used the
Futuba S9151 which is 132 oz.