[NSRCA-discussion] Battery going bad?

[Ronald Van Putte]

Yeah, Rob is correct.  When we arrived at the field for the contest in January 2010, there was frost on the grass!  For those who don't know Florida, it's just south of Orlando and about 200 miles north of Miami.

We (me especially) had problems with cold batteries.

Ron

On Sep 18, 2012, at 10:00 AM, Robert Campbell wrote:

> Lakeland contest, February 2010!  I was there!
>  
>  
> Rob
> ----- Original Message -----
> From: Ronald Van Putte
> To: General pattern discussion
> Sent: Tuesday, September 18, 2012 9:35 AM
> Subject: Re: [NSRCA-discussion] Battery going bad?
> 
> Cold?  What's that?  Oh yeah, I have dim memory of that sensation.
> 
> Ron
> 40-year Northwest Florida resident
> 
> On Sep 18, 2012, at 6:01 AM, Jim Quinn wrote:
> 
>> Hi Bob,
>>  
>> Could it be that your battery was just too cold?
>> I've had that happen.
>> As the season progresses and our batteries get a lot of use, and they, like us, get a little tired from time to titme.
>>  
>> If that happens again unplug the battery wait a minute or two and plug it in again.
>> When I've done that it goes back to one beep.
>> I warm it up a little and fly my whole sequence.
>>  
>> Jim Quinn
>> 
>> 
>> From: Bob Kane <getterflash at yahoo.com>
>> To: Generalpatterndiscussion <nsrca-discussion at lists.nsrca.org>
>> Sent: Mon, September 17, 2012 10:58:54 PM
>> Subject: Re: [NSRCA-discussion] Battery going bad?
>> 
>> A lot of good ideas, thanks.  
>>  
>> Bob Kane
>> getterflash at yahoo.com
>> From: Bob Richards <bob at toprudder.com>
>> To: Bob Kane <getterflash at yahoo.com>; General pattern discussion <nsrca-discussion at lists.nsrca.org> 
>> Sent: Monday, September 17, 2012 5:20 PM
>> Subject: Re: [NSRCA-discussion] Battery going bad?
>> 
>> Could be something as simple as a bad connector on the battery. Double check it, clean it and tighten up the tension on it if possible.
>> Bob R.
>> 
>>  
>> From: Bob Kane <getterflash at yahoo.com>
>> To: Generalpatterndiscussion <nsrca-discussion at lists.nsrca.org> 
>> Sent: Monday, September 17, 2012 4:32 PM
>> Subject: [NSRCA-discussion] Battery going bad?
>> 
>> 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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>> 
>> 
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