[time-nuts] Does anyone have a good pointer...

Tom Van Baak (lab) tvb at leapsecond.com
Thu Jul 3 22:17:16 EDT 2014


This is a precise time & frequency list. Please explain a little more how your battery question relates?

I've actually spent a lot of time over the years working on fail-safe power issues. It's actually really hard! But, what's your goal, or specifications, or specific problem?

/tvb (i5s)

> On Jul 3, 2014, at 6:53 PM, "Kenton A. Hoover" <kenton at nemersonhoover.org> wrote:
> 
> ...to an "application note" on battery monitoring/charging circuits for lithium batteries?   
> 
> ---Brevity from tired fingers, mangling by AutoIncorrectKenton A. Hooverkenton at nemersonhoover.org+1 415 830 5843
> 
>>> That sounds complicated and messy but may be easier than it appears.  An appropriate container would be:
> 
> 
> 
>> It does sound messy. I don't think I'm willing to dunk one of my units.
> 
> 
> 
> 
> 
> This reminds me of the old Cray-2 super computer.  The entire machine
> 
> about a half dozen racks were flooded with Fluorinert.  This is a
> 
> coolant made by 3M.  It looks like water but is inert.  It's a
> 
> fluorocarbon.     Cray placed a 1980's vintage mainframe computer in
> 
> was was basically an aquarium full of the fluorinert and then pumped
> 
> the  fluorinert through heat exchanger that used chilled water.  Cray
> 
> place windows on the computer to show off the liquid emersion cooling
> 
> system and some places had little plastic toy fish in their tanks.
> 
> 
> 
> 
> 
> Chris Albertson
> 
> Redondo Beach, California
> 
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