Robert,

That was my experience as well.  I'm surprised you were able to operate 
as high as 300Hz.  It's amazing how much performance you can get for 
around $10US.  I got enough torque to break a bell crank.

Dave


Robert Rolf wrote:

> David Minkler wrote:
>
<snip>

>> Without independent feedback of position information, you would 
>> almost certainly get worse performance.  I think the key here is 
>> 'could'.  You could also increase the frame rate or the supply 
>> voltage (within limits in both cases) and achieve improved 
>> performance.  Too much of a good thing isn't a good thing.
>>
>> Dave
>
>
> Given that my application required all the performance
> we could get from a cheap servo (least latency),
> I ended up running it at 300 hz, which was near the upper
> bound for the electronics seeing the pulses.
>
> Fortunately the duty cycle (changes) was fairly low so the servo
> stayed cool. And we also tried raising the supply voltage,
> and it helped, but not enough to warrant the extra
> regulator (frame rate made a bigger difference).
>
> Robert
>
>


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