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How long will the 300W UPS last driving a 10W load
Poll ended at Sep 13th, '06, 20:22
Between 1 and 2 hours 0%  0%  [ 0 ]
Between 2 and 3 hours 0%  0%  [ 0 ]
Between 3 and 4 hours 0%  0%  [ 0 ]
Between 4 and 5 hours 38%  38%  [ 5 ]
Between 5 and 6 hours 15%  15%  [ 2 ]
6+ hours 46%  46%  [ 6 ]
Total votes : 13
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Jaymie
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PostPosted: Sep 14th, '06, 06:16 
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FNQ power outages - days long - usually due to storms
Many hours long - usually due to ejits with trucks running over/into/thru poles/wires
Hours long can happen a couple of times a year
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steve
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PostPosted: Sep 14th, '06, 09:20 
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FNQ sounds like a job for a gennie :shock:
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Jaymie
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PostPosted: Sep 14th, '06, 15:17 
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I think I'm going to ask FIL santa claus for one, I've been really good!
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steve
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PostPosted: Sep 14th, '06, 16:20 
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The GMC ones are sooooo cheap now, you can pick them up for about $150! Its not the sort of thing you'd use very much, so the cheaper ones would do the trick :)
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veggie boy
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PostPosted: Sep 14th, '06, 17:12 
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What sort of size pump would those gmc ones run?
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steve
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PostPosted: Sep 14th, '06, 17:26 
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Ok, so more info on the UPS back up pump.

I got roughly 4 hours out of the test.

Concerns:

I've been playing around with it a little more today.

The UPS i got i'm fairly sure is a "stepped sinewave" output AKA "simulated sine wave"

There are ones about that are "true sine wave"
If any one is actually interested in what this means or is i can draw a picture.

Anyway, i noticed that when the UPS switched over, the tone and air output of the pump changed. Things that operate on a magnetic field like these pumps and also AC motors can be very specific about the frequency and waveform of the power supplied to them. The pump always ran hot, but now seems to be running hotter............

The UPS idea may be best shelved for the moment. It would have been nice, but i 'll explore other options....................

What to do with this brand new $95 UPS now :shock: Ebay?
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steve
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PostPosted: Sep 14th, '06, 17:28 
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VB, the gennies are around 2000W, so could run anything upto that wattage. Hell, they'd run 8 of muzzas pumps :shock:
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EllKayBee
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PostPosted: Sep 14th, '06, 17:39 
Seriously, this cant be healthy.
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steve wrote:
The UPS idea may be best shelved for the moment. It would have been nice, but i 'll explore other options....................


What about an ac adaptor connected to UPS to run a 6/9/12 volt air/water pump?
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simmo_77
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PostPosted: Sep 14th, '06, 17:46 
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Or whack it on your PC, nothing worse than being in the middle of something then... blank ...
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steve
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PostPosted: Sep 14th, '06, 18:09 
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Les, might as well just buy the ac/dc air pump from age of aquariums to do that, and you'll be able to add "lantern" batteries to extend the run time :)
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steve
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PostPosted: Sep 14th, '06, 18:09 
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Les, might as well just buy the ac/dc air pump from age of aquariums to do that, and you'll be able to add "lantern" batteries to extend the run time :)

S77, i'm not that fussed about the PC shutting down, don't really do anything crucial on it :)
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veggie boy
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PostPosted: Sep 14th, '06, 18:14 
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Are you sure about the wattage Steve. 2kva for $150 is pretty good. I thought those GMC things only ran a couple of lights - they are not capable of a fridge or freezer are they. I they were I'd buy one tomorrow (of course I would let everything in the fridge melt rather than let my fish die).
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steve
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PostPosted: Sep 14th, '06, 18:16 
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VB, i'm fairly sure they are capable of a fridge.............let me do some research for you. out at the moment (can't help myself, using a mates computer) will post some info later tonight :)
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Murray
 Post subject: Re: Steve's new UPS
PostPosted: Sep 14th, '06, 18:28 
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I reckon I will keep this device in preference to the UPS idea.
Just my personal preference.
Mojo


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veggie boy
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PostPosted: Sep 14th, '06, 18:51 
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Did you end up settling on a price Murray. Are these available on your website?
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