Wednesday, April 9, 2008

Re: [oopic] Re: Motor Alternate Power Source

dan michaels wrote:
> --- In oopic@yahoogroups.com, ooPIC Tech Support <dennis.clark@...>
> wrote:
>
>> Although Dan will make fun of me for mentioning this, 6 AA
>>
> batteries is 9V which is quite a bit higher voltage than the standard
> servo wants to have. They want from 4.8V to 6V. GWS servos in
> particular will let the magic smoke out at 9V, Futaba and Hitec will
> be OK, but run warm. BTW, there is no way on Earth you will get 24V
> out of 6 AA batteries. Check the battery in your DVM and then your
> connections.
>
>> DLC
>>
>>
>
>
> Ha! The only thing to comment on is the idea of using 6 AA cells that
> provide "9V", as stated. This would mean using non-rechargeable
> batteries. A terrible waste ... Dennis.
>
>
Ha! I use a 2S LiPoly these days - 7.4V, which is about what your 6
NimH would be. I don't like to throw away batteries either. Since you
can get 800-1000mAH packs for $15 or so, this is MOST economical, and
light as well.

DLC
> OTOH, I use 6 AA NiMH cells all the time to run my servos, which are
> mainly Hitec anymore, as these batteries only output about 6 * 1.2V =
> 7.2V, and this isn't too much above the 6V spec level.
>
>
>
>
> ------------------------------------
>
> Yahoo! Groups Links
>
>
>
>
>
>

--
------------------------------------------------------
Dennis Clark ooPIC Tech Support
www.oopic.com
------------------------------------------------------


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