Derek Engelhaupt wrote:
> I guess my question would be, has anyone used a larger battery pack
> for their reciever when using these large 1/4 scale servos? I know I
> can't increase the voltage without blowing the reciever, but what
> about mounting another 6V pack in parallel to accomidate the current
> draw? I guess another option would be to get a 12V to 6V regulator
> to run the reciever. Any thoughts?
The best solution is to isolate the power for the receiver and 1/4-scale
servo. Use one battery to drive the receiver/servos and another battery
to drive the 1/4-scale servo. In that case, connect the "black"
terminals of both batteries together and run the "red" wires separately
to each load. Then, run a single wire from the servo "signal" line on
the receiver to the 1/4-scale servo.
In general, using the same battery to drive electronics and loads is a
no-no, especially in our tanks where heavy loads and harsh conditions
combine to amplify the problems. Even the so-called "BEC" (battery
elimination circuit) is not a good substitute for separate batteries,
because most of them simply aren't built well enough to handle the
current and voltage spikes that our systems are capable of generating.
Frank P.
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