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HOMER and Battery Life - experiences? - Page 3

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Posted by Eeyore on November 11, 2008, 11:24 pm
 


John wrote:


Have you suggested low power computers even using no-Intel or AMD chips ?
http://en.wikipedia.org/wiki/CPU_power_dissipation

They're using LCD screens ?

Graham


Posted by John on November 12, 2008, 6:02 am
 
On Tue, 11 Nov 2008 23:24:55 +0000, Eeyore


Hi Graham,

Yes, that's high on the shopping list at the next turnover of
computers. Of course, if they had enough funds to change computers
without a second thought they'd have use the funds to just pay the
diesel bill and not reduced the generator schedule. These people
aren't tech types!

Currently 3 laptops averaging 25W+ each. However, it's not hard to
find 15W models and lower. Some of the VIA processors on that
Wikipedia page look promising assuming they appear in laptop machines
(I assume that's why they make them). After all, word processors don't
make huge CPU demands.

John

Posted by bealiba on November 12, 2008, 1:23 am
 wrote:

You can add, crap battery and crap system design.

Posted by John on November 12, 2008, 6:26 am
 
On Tue, 11 Nov 2008 17:23:58 -0800 (PST), bealiba@gmail.com wrote:


No. I can't go quite that far. The batteries are currently the best
available in the country (Panasonic units - very limited choice). In
the past they have had Trojans, shipped from Australia. I can't knock
the design since it never was designed. A non-tech predesessor cobbled
the system together using ask-your-mate advice. I refuse to call it
"design". He got away with it because he ran a single PC occasionally
and an LPG fridge.

The new people run 3 PCs and an electric fridge. The locals have also
souveneired 2 of the 6 solar panels from the installation. For medical
reasons the current users have also been running 240V fans. Why's it
falling in around their ears? Simple. The system was never subject to
any design process. The loads have increased enormously and at the
same time the system's capacity to deliver has been vandalised. And
none of the locals had the mind-set to see it coming. I got involved
when I met these people on furlow and they were not looking forward to
returning to the tropics to carry on.

Frankly, their kids describe a paradise on a tropical island. Home
schooled, snorkling in crystal clear waters, bushwalking around a
volcano, etc. If home base had a semblance of the essentials, life
could (and should) be a beach for them. I may need to visit to sort
this one out!

John

Posted by bealiba on November 12, 2008, 10:29 pm
 
Yep, seen it all before. You get to go in and tell these people that
they have to basically start all over from the beginning. The only
quick fix will be a large injection of cash. The usual response is to
shoot the messenger.

Good luck.

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