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17

18

Install the propeller and secure the 
aluminum spinner.

Use 2x8mm tapping screws to
secure the hinges in place.

Secure one end of gear wire on the
gear fixing plate with 2.6 x 8mm
tapping screw. Secure the other end
to the gear planking around 7mm
from the front edge. Don't pull the
wire too tight.

FOR GP VERSION

Take the servo tray out of the
hardware bag. Place 3 pieces of 45g
servos on it and secure with the
screws come with the servos. The
left servo is for throttle. The top on
the right side is for elevator, the
bottom is for rudder.

Connect the servo with receiver. Set
the horizontal and vertical to neutral
position and use clip to hole them in
place. Pull the pushrod to the outer
hole of servo arm. Using a marker to
place a mark on the end of the
pushrod where it passes the
connection hole of servo horn. Using
Z-bend pliers, make a Z-ben at the
marked location on the rod. Insert the
Z-bend into the servo arm. Adjust the
clevis and slide the fuel tube into the
rod.
PS:Use epoxy to secure the servo
tray on the planking.

Apply one side of adhesive Velcro on
the fuel tank and another side on the
battery tray. Connect the fuel tank
and pressing hole with fuel tubing.
Pull the fuel tube out of the fire wall.
The opening for the switch is on the 
left side. Secure the fuel tank on the
battery tray with a hook-and-loop
strap.

Set the engine mount to 45 degree
and secure on the fire wall with
M4 x 30mm screws.

Place the engine on the engine
mount. Secure the engine in place

with engine mounting brackets,
M4x30mm screws and nuts. Connect
with throttle rod. Secure the muffler.
Install the fuel tube from the fuel tank
pickup line to the carburetor fuel
nipple. The vent line will be installed
onto the pressure nipple after the
muffler is installed. 

Try to fit the cowling on the fuselage.
Use hobby knife to trim the opening
for the engine. Please keep 1.5mm
space between the cowling and
engine mounting brackets. Apply
tape to fix the cowling in place
temporarily. Use 1.5mm drillers to
drill holes on the cowling. Secure
cowling in place with 2x8mm tapping
screws. Remove the tape.
(You may apply tape around the
canopy for avoiding the oil during
flying.)

Summary of Contents for PIPER CUB J-3 GP/EP

Page 1: ...a toy If misused it can cause serious bodily harm and damage to property Fly only in open areas following all instructions included with your radio Before beginning the assembly remove each part from...

Page 2: ...0 3000mAh 4 cell Li Po ESC 50 60A Propeller 11x6 12x6 Aluminum spinner for EP flying Place the main wing and hinges on the working table Bend the hinges several times Spread the Super glue on the hing...

Page 3: ...spective servo arm Using z bend pliers make a z bend at the marked location on each rod and cut off the excess rod Use 2mm reamer to enlarge the hole on the servo arm Place a piece of fuel tubing over...

Page 4: ...s temporary Spread generous super glue on the hinges and insert the hinges into the rudder until the hinge line is even with the leading edge of the rudder Place the rudder onto the vertical stabilize...

Page 5: ...udder It is 35 mm from the bottom Use a sharp hobby knife to open a V slot depth 2mm on the marked position Use 2mm driller to drill a hole on the marked location for accepting the tail wheel guide wi...

Page 6: ...e 2mm driller drill hole Secure the control horns and plate in place with 2 x 15mm screws Using Z bend pliers make a Z bend at the marked spot on the rod Use 2mm driller to open a hole on the servo ar...

Page 7: ...crew too tight Screw one end of 180mm wire to the bottom of the horizontal and the other end to the tail gear Check all the wires They must be bilateral symmetry Screw the screws and washers tight to...

Page 8: ...tery Find the pre served gear slot on the bottom of fuselage Use hobby knife to remove the covering on the slot Take one piece of heat shrink tubing out of the hardware bag Cut the tubing into 5mm x 8...

Page 9: ...dges Sand the bottom side Spread epoxy to secure the plastic engine on two sides of cowling It s only one side for GP version Place the main wing on the fuselage Screw in the M4x40mm wing bolts Cut th...

Page 10: ...PS Use epoxy to secure the servo tray on the planking Apply one side of adhesive Velcro on the fuel tank and another side on the battery tray Connect the fuel tank and pressing hole with fuel tubing P...

Page 11: ...19 15mm 15mm 15mm 15mm 35mm 35mm 20 80 90mm The C G Point is 80 90mm back from the leading edge against the fuselage...

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