[NSRCA-discussion] Battery going bad?

[Keith Hoard]

Do you have a data log from the controller?

Keith Hoard
Collierville, TN
khoard at gmail.com




On Mon, Sep 17, 2012 at 3:44 PM, Mark Atwood <atwoodm at paragon-inc.com>wrote:

> I'd suggest you look at the connectors.  I had that same experience with a
> bad solder joint on a pack.  The battery is fine, but under the right
> conditions the connector has too high of an impedance and the controller
> shuts down.
>
>
> *Mark Atwood*****
> *Paragon Consulting, Inc.*  *|*  President****
> 5885 Landerbrook Drive Suite 130, Cleveland Ohio, 44124 ****
> Phone: 440.684.3101 x102  *|*  Fax: 440.684.3102****
> mark.atwood at paragon-inc.com  *|*  www.paragon-inc.com
>
>
>
> On Sep 17, 2012, at 4:32 PM, Bob Kane wrote:
>
> I had something happen Saturday that is new for me . . . .   I was going
> to put up a flight with my 62" Osiris for a club airshow, I advanced the
> throttle to take off, the plane accelerated, then the motor quit.  The
> Castle Controller was emitting two beeps, indicating a low voltage error.
>  One of the club members had a meter that measures individual cell
> voltages and everything looked OK.  I used another pack to put up a
> flight with no issues.
>
> When I got home I discharged the suspect pack and recharged it.  I flew it
> yesterday and it seemed to work OK.  I was practicing(!) some maneuvers repeatedly
> and the pack quit unexpectedly again, but it may have been my fault for not
> paying attention to the flight time.
>
> Is this a sign of pending failure?  The pack has maybe 30 cycles on it.  I
> have had other packs get puffy and weak but this pack is rock solid.   The
> pack is a Rhino 5S 5000mAH 25C pack.
>
> Bob Kane
> getterflash at yahoo.com
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