Center Of Gravity Check; The Possible Problems And Solutions - Art-Tech F-14 "TOMCAT" JET Instruction Manual

Center of Gravity Check

Check the CG of the model before flying. The proper CG position should be between 577~580mm like below picture.

The possible problems and solutions

Phenomenons
Motor does not run
Can not fly straight
Can not climb
Limited control range
Problems
1. Battery is not fully charged.
2. The battery of transmitter
is not sufficient.
3. The circuit in "F14" has
been damaged due to Crash
Elevator and / or Ailerons are
out of trim
1.The battery is not fully
charged.
2.Both elevators leaning downward
1. The batteries are almost flat
2. The transmitter was fault
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Solutions
1. Charge the battery.
2. Install a full charged battery.
3. Maintain or contact the local
distributor for help.
Adjust the trim switch of the
appropriate control to correct.
1. Charger the battery
2. Adjust the micro-trim switch
on the transmitter to make the
two elevators upward
1. Install new batteries
2. Contact the local distributor
for help.