7
Recommended Power System and Main Blade Configurations (continued)
Tail Motor:
When using the recommended heat sink and battery configurations below, we have experienced very good tail
motor life (better than any other models in this class due to the use of a specially designed N30 motor). We have
tail motors in stock and Aerobatic Enhancement Kit equipped models with more than 100 flights that continue to
perform very well.
For those who may be experiencing premature tail motor wear, it is likely the result of excessive current draw
causing damage to the motor rather than brush wear. Excessive current draw can be the result of using the wrong
heat sink and battery configurations or constant power on blade strikes and crashes (shock damage). Vastly
excessive amounts of gyro gain can also result in increased and excessive current draw. For these reasons you
MUST follow the heat sink and battery configurations as well as gyro gain settings recommended in
order to achieve expected motor life. These configurations are:
8-Cell, 9.6V Ni-MH Packs:
When using 8-cell Ni-MH packs for power, use of a heat sink is optional (EFLH1131), though it can help to improve
duration and motor life.
2-Cell, 7.4V Li-Po Packs:
When using 2-cell Li-Po packs for power, use of a heat sink is optional (EFLH1131), though it can help to improve
duration and motor life.
3-Cell, 11.1V Li-Po Packs:
When using 3-cell Li-Po packs for power, use of a heat sink is required (EFLH1131, also included with the
Aerobatic Enhancement Kit).
Also, we find it is best to allow the tail motor to cool to near ambient temperature between flights.
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