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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Tue Oct 26, 2010 12:13 pm 
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Joined: Mon Jun 22, 2009 1:41 pm
Posts: 533
Location: Northwest Burbs
I just dug out my Microcenter ad, they have one for $39 ...


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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Thu Oct 28, 2010 11:51 am 
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Joined: Tue Jan 13, 2009 5:47 am
Posts: 295
Location: Minneapolis
OK dudes, I'm just going to order a power supply from Amazon.

http://www.amazon.com/Coolmax-140mm-Pow ... _rhf_p_t_1

Jon Barclay threw down $5, it would be nice to get another $25 or $30... HINT HINT.

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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Thu Oct 28, 2010 10:10 pm 
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$5 from me, at least.

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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Fri Oct 29, 2010 7:49 pm 
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Joined: Sat Jul 17, 2010 5:13 pm
Posts: 246
Location: Minneapolis, MN
I just had a terrible thought; has anyone actually tested to make sure one of the makerbot's nozzle heater resistors hasn't failed open? It worked for a while right?

And I remember measuring a 12-volt drop across one of the resistors, which seems kind of extreme in hindsight...

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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Fri Oct 29, 2010 9:38 pm 
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Joined: Fri Jan 30, 2009 1:54 am
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Location: Coon Rapids
They're powered by 12v AFAIK.
I assume they're wired in parallel, so 12v is exactly what I'd expect to measure across them, open or not.


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 Post subject: Re: WANTED: 600W+ PC Power Supply for our MakerBot
PostPosted: Fri Oct 29, 2010 10:58 pm 
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Joined: Sat Jul 17, 2010 5:13 pm
Posts: 246
Location: Minneapolis, MN
I just thought about it a bit more.. You're right. I lose at thinking :oops:

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