Servo Introduction; Center Of Gravity - Freewing MiG-21 User Manual

Servo Introduction

If you need to purchase other brand servo, please
refer to the following list to choose correct size
servo.
Installing position No. Pos./Rev.
Nose gear steering Positive
1
Aileron(L) Positive
2
Aileron(R) Positive
3
Flap(L) 4 Positive
Flap(R) 5 Reverse
Elevator(L) 6 Positive
Elevator(R) 7 Reverse
Rudder 8 Positive

Center of Gravity

Correct center of gravity is directly related to the success of the flight, please refer to the following CG diagram to
adjust your plane's center of gravity.
- You can move the battery forward or backward
to adjust the center of gravity.
- If you can not adjust the CG through move the
battery, you can also use some other suitable
material weight to counterweight, to make sure
that CG is in the correct position.
MIG-21MF FISHBED
Item No.:FJ210
1
Servo Cable Length
100mm
950mm
950mm
800mm
800mm
1050mm
1050mm
1050mm
265mm
(10-1/2")
8
1.000 比例
2
6
4
5
7
3
10