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aadamson(at)highrf.com
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 Posted: Mon Jan 30, 2006 11:26 am Post subject: Battery options? |
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Curious of some opinions. I have a Lancair Legacy that is going to be a 24V
dual alt/batt setup. I have the following options for batteries and I'm not
sure which is the most preferred.
A) use 2 full size 24v Concorde batteries, each around 17ah. This creates a
size and weight challenge
B) use 1 full size 24v Concorde and 1 7.2ah backup B&C 24v battery, this
cuts the weight down, but at the expense of less than 2/3s the capacity on
the backup side
C) a derivative of number 1 is to use 1 fullsize 24v concorde and 2 odyssey
type 12v batteries in parallel for the backup side. I'm not sure of the
weight penalty here, but I get better backup current capacity. I believe
that 2 can fit in the same size as 1 24v concorde so battery boxes are not
the issue.
Thots... I suppose I'm borrowing trouble as my wife would say. A backup
battery is just that, scale what's on it for the 7.2ah B&C, use the smaller
size and be done with it....
But I just had to ask,
Alan
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frank.hinde(at)hp.com
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| Posted: Mon Jan 30, 2006 11:51 am Post subject: Battery options? |
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That's a LOT of backup....Why do you think you need that much?
Personally I would have the two alts and stick with a single
battery....With a decent load you could still run your alternator
without the bettery if it somehow failed.
Frank
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