[NSRCA-discussion] voltage regulator

[James Oddino]

The 5.7 volt regulator was designed for 5 cell packs.  The idea is to  
get the highest voltage possible (highest speed and torque) over the  
useful voltage range of the battery pack.  You want to be able to run  
the pack down to about 5.9 volts and you need at least .2 volts  
overhead to assure good regulation.  That is why 5.7 was selected.   
The 5.1 was selected based on some Futaba servos in the 9202 era that  
were specified to run on four cell packs max.  A four cell pack runs  
at 5.1 volts with a fresh charge.  The 6.0 volt regulators came about  
when Lithium cells became popular and voltage drop was no longer a  
concern.

Bottom line: 5.7 volts with a five cell Ni pack and make sure the  
regulator has no more than a .2 volt drop at the rated current.

Jim O


On Jun 10, 2008, at 7:26 PM, Jerry Wilson wrote:

> Which voltage regulator (Jaccio) should be used with a 5 cell 6 volt
> receiver pack?  There are three sizes: 5.1, 5.7, and 6.0 volt
>
> Thanks,
> Jerry
>
>
>
>
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