[rescue] [off-topic] Vacuuming your servers is like cleaning them with a Van deGraff generator

Robert Darlington rdarlington at gmail.com
Thu Jul 28 16:58:45 CDT 2011


If I were designing for myself, I would know not to spin the fan with
compressed air!

On Thu, Jul 28, 2011 at 2:12 PM, Derrik Walker <lorddoomicus at mac.com> wrote:

> On Jul 28, 2011, at 03:07 PM, Robert Darlington <rdarlington at gmail.com>
> wrote:
>
> > Why would I, as a designer of boards for mass production, include an
> extra
> > $0.02 part when the fan will never run without me powering it? I can save
> > $20,000 on a one million board run just buy cutting out that part. If you
> > break it by doing something dumb, my warranty won't cover it and you'll
> buy
> > another one from me. It makes sense to not include protection there.
>
>
> That's a good point ... after all, any good engineers will tell you to pick
> two for product design:
>
> - Fast
> - Cheap
> - Good
>
> Most companies end up picking the first two.
>
> In any case, if it was something I was designing for myself, you can damn
> well
> bet I'd put the diode and capacitor in.
>
> - Derrik
> o;?
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