Zenoah TWIN GT80 Instruction Manual download pdf (Page 14)

The rudder and elevators require a minimum of 80 in/oz of servo

torque. In the prototype Extras we used JR8101s and JR8411

servos with excellent results. Using servos with less torque

could cause a crash.

Computer Radio

Step 1. If using a 7-channel or greater computer radio with

mixing (highly recommended), install four 24" servo extensions,

one on each servo. Tie a knot at each connector and tape to

prevent inadvertent disconnection. Also install the servo

hardware (grommets and eyelets) at this time.

Non-Computer Radio

Step 1. If using a non-computer radio, install four 18" servo

extensions, one on each servo. Tape and tie a knot at each

connector to prevent inadvertent disconnection. Install one side

only of the two Y-harnesses to two of the servos, also tying knots

to prevent disconnection. The other two servos will be hooked up

to the Y-harness when installed in the airplane. One elevator

servo will need to be a reversed-direction servo.

Section 5:

Installing the Rudder and Elevator Servos

• Fuselage

Not included

• (4) Servos (a minimum of 80 in/oz of torque)

w/mounting hardware

• (2) Small cable ties

Using a computer radio

• (4) 24" Servo Extensions (JRPA102)

Using a non-computer radio

• (3) Y-harnesses (JRPA133)

• (4) 18" Servo Extensions (JRPA099)

See “Radio Setup” section for more details on page 32

Note: If using a non-computer radio, one of the

servos used for elevator must be a reversed-

direction servo.

Included in optional Hangar 9 Hardware Kit

• (2) 1" Heavy-Duty Servo Arms for Elevator

(HAN 3574 JR or HAN3575 Futaba)

• (2) 1

/4" Heavy-Duty Servo Arms for Rudder

(HAN3578 JR or HAN3579 Futaba)

• (4) 4

/2" 4-40 Linkages (HAN3556)

• (4) 4-40 Ball Links (ROC87)

• (2) Swivel Control Horns (ROC01B)

• Phillips screwdriver

• Small straight screwdriver

Parts Needed

Tools and Adhesives Needed

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Zenoah TWIN GT80 Instruction Manual Page 14

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