DDC Fixed Head Disks
ggs at shiresoft.com
Mon Jun 11 14:56:59 CDT 2007
Chuck Guzis wrote:
> On 11 Jun 2007 at 10:18, Mike Ford wrote:
>> Just a thought, but while He does leak out of just about everything,
>> unless something is leaking in I suspect its still He around 1 atm.
> It would seem that the partial pressure of He in the atmosphere is
> much less than one atm, no? So, barring inward leaks, would not a
> lot less than one atm. of He would be left inside?
> Perhaps I've disremembered Dalton's Law or just hallucinated (seems
> to happen more and more as I grow older) that I endured high school
The docs that I've found on the helium replenishment is that you'll go
through a bottle of helium in about 6 months (when it drops from 3300psi
to 300psi). It's hooked up to the drive (there are fittings and such)
all of the time.
Fortunately, the drive I have (6200X) uses nitrogen and the person I got
it from said that they never replaced the nitrogen the entire time the
drive was in service.
TTFN - Guy
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