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'[EE]:Torque... on a battery??'
2001\04\14@194748 by Herbert Graf

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       I was just looking at a UPS system that impressed me during the last power
outage we had. The interesting thing was the batteries, they are 2.5V
batteries bigger than car batteries! I wanted to see what AH rating they
were but all I could find was a Torque rating. The rating was 70 inch
pounds, what the heck is a Torque doing on a battery?? How would I convert
this to an AH rating? Thanks, TTYL

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2001\04\14@195205 by Spehro Pefhany

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At 07:46 PM 4/14/01 -0400, you wrote:
>        I was just looking at a UPS system that impressed me during the
last power
>outage we had. The interesting thing was the batteries, they are 2.5V
>batteries bigger than car batteries! I wanted to see what AH rating they
>were but all I could find was a Torque rating. The rating was 70 inch
>pounds, what the heck is a Torque doing on a battery?? How would I convert
>this to an AH rating? Thanks, TTYL

Just a guess, but was this written on the battery itself?

If so, it's probably an instruction on how tight to tighten the
bolts on the terminals (using a torque wrench). IOW, nothing to do
with the AH rating at all.

Best regards,

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2001\04\14@202723 by artstar

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I think it has more to do with perhaps how much torque the clamp, holding it
fixed in its position, should have before the case is stressed and fractures
under it as a result.


Adios,
LarZ

---------------  TAMA - The Strongest Name in Drums  ---------------

{Original Message removed}

2001\04\15@002355 by Herbert Graf

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{Quote hidden}

       Perhaps, they had a "retorque" rating of 65 inch lbs. TTYL

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2001\04\16@162223 by Peter L. Peres
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Spehro is probably right about the torque referring to the bolts. I think
that you can estimate capacity by examining the weight (assuming they are
lead acid or some other known technology). At that size, weight scales
well with capacity.

Peter

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