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Carl Goldberg Products Stinson 108 ARF, User Manual, Page: 5 / 19

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Carl Goldberg Products Stinson 108 ARF User Manual Download Page 5

5

AILERON SERVO INSTALLATION

Note:

The following pictures may not exactly match

the hardware you are using.  Always check the radio

manufacturer's instructions when installing radio

equipment.

1.

Collect the following items:

(16)Servo mounting screw (supplied with radio)
(4) Servos with rubber grommet & eyelets(sup-

plied with radio)

(2) 12” servo Extension (for the aileron servos).
(1) 30” string
(1) axle nut

IMPO

RTANT! 

To ensure that any connections locat-

ed inside the wing will not come loose, either when

the wires are pulled, or during flying, 

always tape

them securely together with electrical tape.

2.

Attach the aileron servo wire to the12" exten-

sion and securely tape the connection togeth-

er.

Tie the 30” string to the axle nut.

Tie one end of the string to the aileron servo

extension.

While holding the wing up on the root rib, drop

the other end of the string with the nut into the

aileron servo hole. Allow the nut to fall down

through the wing rib holes till it exits the cen-

ter root rib.

3.

SLOWLY 

pull on the string until the end of the

12" extension comes out of the hole.  

Tape the extension securely to the wing, so

that it will not slide back in while you are work-

ing. 

Repeat these steps for the other aileron

servo.

The flap servos are done in the same manner

as the aileron servos without using exten-

sions.

4.

Using the screws supplied with your radio,

screw the servos to the mounting plates in the

wings. 

WING STRUT BRACKET INSTALLATION

1.

C

OLLECT THE FOLLOWING ITEMS

:

(4) S

TRUT MOUNTING BRACKET

(4) #2 

X

3/8 

SHEET METAL SCREW

2.

Place a small drop of thin CA glue into the

wing strut mounting holes found in the bottom

of the wing above and below the aileron

servo.

Slightly bend the strut mounting bracket in the

middle.

3.

Using #2 x 3/8 sheet metal screw, mount the

bracket so that it is pointing to the fuselage.

Summary of Contents for Stinson 108 ARF

Page 1: ...efective for their intended use The company warrants replacement of any such components provided the buyer requests such replacement within a period of 90 days from the date of purchase and provided the defective part is returned if so requested by the company No other warranty expressed or implied is made by the company with respect to this kit The buyer acknowledges and under stands that it is h...

Page 2: ...rdwood parts Thin CA s do not adequately bond these areas CAUTION Some people may experience an allergic reaction when exposed to fumes from CA glue or epoxy As with paints thinners and solvents it is always important to use glues only where there is adequate ventilation to carry fumes away A fan is recommended Also special care must be taken when using CA as it will bond skin as well as other sur...

Page 3: ...ue 873 and True Red 877 Oracover TOOLS AND SUPPLIES FOR ASSEMBLY MODELING OR UTILITY KNIFE WORK SURFACE 24 X70 ELECTRIC DRILL 1 16 3 32 1 8 3 16 5 32 1 4 5 64 7 32 DRILL BITS SMALL STANDARD PHILLIPS SCREW DRIVERS MASKING TAPE NEEDLE NOSE PLIERS MOTO TOOL 24 RULER FLEXIBLE STRAIGHT EDGE 30 60 90 x 6 TRIANGLE SOFT PENCIL A FEW STRAIGHT OR T PINS ADJUSTABLE WRENCH WIRE CUTTER DYKES OPTIONAL HEAT GUN ...

Page 4: ...ng until no gap remains between the aileron and the wing 5 Carefully check the alignment of the aileron It should be centered with about 1 32 away from the wing tip When satisfied with the alignment remove the straight pins being sure to keep the aileron tight to the wing You may wish to apply a few pieces of masking tape to keep the pieces in place 6 Keeping the aileron and wing in position apply...

Page 5: ...on the root rib drop the other end of the string with the nut into the aileron servo hole Allow the nut to fall down through the wing rib holes till it exits the cen ter root rib 3 SLOWLY pull on the string until the end of the 12 extension comes out of the hole Tape the extension securely to the wing so that it will not slide back in while you are work ing Repeat these steps for the other aileron...

Page 6: ...2 56 x 4 7 8 pushrod a 2 56 nut and a 2 56 metal clevis Mount the clevis onto the black horn bracket and secure using a metal clevis clip Measure the length of the pushrod to the servo arm hole and make a 90 degree bend Mount the swivel keeper on to the wire and clip in place Repeat the above steps for the remaining aileron and flaps AILERON CONTROL HORN INSTALLATION 1 Collect the following items ...

Page 7: ...ainst the fuselage STAB INSTALLATION CAUTION You must watch the bolt holes for fatigue and drill another hole by rotating the tube when this hap pens HINGING THE ELEVATORS Collect the following items 2 Elevators 6 Hinges 1 Take three hinges and as with the aileron hinge installation insert the hinge into the ele vator using straight pins to ensure the hinge stays centered between the stabilizer an...

Page 8: ... the servo extensions towards the front of the plane Repeat these steps for the second elevator servo 5 Insert the 6 32 x 2 screw from the top through the elevator Place the 6 washer and the 6 32 hex nut on the bolt and tighten Make sure that you use thread lock on the bolt and nut Screw the black adjustable horn bracket on the bolt 6 Thread the 2 56 hex nut and metal clevis onto the end of the 2 ...

Page 9: ... 2 6 32 Hex Nut 2 6 Flat Washer 1 Rudder 4 Hinges 1 Cable 2 Brass Tubes 1 16 OD x 1 4 2 2 56 Threaded Rods with holes 2 2 56 Metal Clevises 2 2 56 Hex Nuts 5 Center the 6 32 x 3 threaded rod in the hole Using thread lock place first the 6 washer then the 6 32 Hex nut on each side of the rud der Thread the white adjustable horn brackets on both ends of the rod 1 Mark 1 up from the bottom of the rud...

Page 10: ...clevis clip onto both clevis 7 Loop the end of the cable back though the brass tube Next thread the cable though the hole at the end of the 2 56 threaded rods and loop it back through the brass tube Crimp the tube with pliers 8 Repeat the steps 6 7 for the other end of the cable Rudder cable hole guides 12 Insert the cable through the 1 16 OD x 1 4 brass tubing Loop the cable through the adjustabl...

Page 11: ... slot Place thread lock on one of the 10 32 x 3 4 bolts and insert it through the wing bracket and the lower outer hole of the landing gear plate Screw the bolt into the landing gear below Place thread lock on two more bolts and using washers finish mounting the left landing gear Repeat for the right landing gear Front Collect the following items 2 Axles with Nuts 2 wheels 4 Wheel Collars with Phi...

Page 12: ...both sides of the wheel 12 Even 2 Hold the bottom of the wheel pant level with the bottom of the landing gear Mark the wheel pant mounting hole locations onto the wheel pant through the landing gear 3 Drill a 1 8 hole and insert a 4 40 blind nut into the hole from the inside of the wheel pant Using the 4 40 x 1 2 socket head bolts screw the wheel pants to the landing gear Tighten the 4 40 screws t...

Page 13: ...nstall the 4mm silicone tube to the short brass tube and install the clunk to the other end of the silicone tube This is the fuel pick up and must be free to flop around in the tank so it can pick up fuel in any attitude 4 Install the assembly into the tank so the vent tube is turned up to the top of the tank and is positioned on the right side of the tank Tighten the screw to expand the rubber ca...

Page 14: ...k tray 1 Fuel tank 2 Cut a piece of foam to fit under the fuel tank Mount the fuel tank on to the fuel tank tray using velcro or rubber bands Fit the fuel tank into the fuselage Fuel Notch in cross brace Fuel tank tray tab locations Insert the front tabs into the firewall Fit the rear of the tray in the notch of the cross brace Glue in place 2 Place you engine in the mounts and adjust till the pro...

Page 15: ...LL SCREWS 4 Place the motor mount onto the firewall mounting plate Center the motor over the horizontal and ver tical lines 6 Mount the firewall plate to the front of the fuse lage using the 8 32 x 1 2 5 Drill a 1 8 hole in the firewall in position with the throttle arm Insert the 1 8 x 24 nylon tubing in the hole Let the tubing exit into the fuselage towards the throttle servo mount Make a 1 2 be...

Page 16: ... Place the piece of clear plastic over the top of the engine The end of the plastic should extend just past the cylinder head 3 Mark where the engine contacts the plastic Remove the plastic and using the moto tool cut out the engine area until the plastic fits over the top of the motor and lies flat on the fuse side Then tape the edges of the plastic to one side of the fuselage 4 Lift up the untap...

Page 17: ...RY SWITCH Plug all the servo wires into the receiver and center your servo linkages Find a location on the side of the fuselage for mounting your radio switch We placed our receiver in front of the rudder servo and our battery in front of the throttle servo behind the tank The location of these items will vary with each planes set up 10 From the line that you made on the fuselage measure foreword ...

Page 18: ...coming out of the fuselage side Push the two wing halves together till they ar tight against the fuselage side Bolt the wing to the fuselage using a 1 4 20 nylon bolt TOP HATCH 1 Collect the following items 1 5 1 8 x 7 7 8 Clear plastic 4 4 40 x 1 2 socket head screws 1 Clear vinyl tape 2 Remove the covering over the four holes in the rear of the hatch opening Tape the front of the 5 1 8 x 7 7 8 C...

Page 19: ...hts Work your way up to more throw movement when you are comfortable with the Stinson Elevator 3 4 UP Down Ailerons 1 2 Up Down Rudder 1 1 2 Right Left When you have gotten comfortable flying the Stinson slowly increase the throws while still staying within your fly ing ability The Stinson was designed around a 1 20 four cycle engine these engines will give you excellent performance Remember a big...

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