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Re: [AVR-Chat] Re: ADC Vref

2007-12-14 by David VanHorn

On Dec 14, 2007 2:13 PM, Steven Hodge <stevehodge@speakeasy.net> wrote:
> Well the gotcha seems to be the continuous part.   Starter relays in cars or
> trucks are only designed for a few seconds of continuous use.   The thruster
> is limited in total use to something like 5-7 minutes, but it is also
> required, and is designed for, being able to be actually on continuously for
> a good chunk, if not all, of that 5-7 minutes.  It's like a huge starter
> motor that is actually required to be on continuously for periods of up to a
> few minutes.   Web searches seem to come up with many in the 200 A ballpark,
> but not 400 A.

Ouch.

Can the battery actually deliver 400A for 5 minutes?
A large deep cycle should be about 4500 Amp/min, but the puckert
effect says SIGNIFICANTLY less under that fast a drain.

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