[119010] in North American Network Operators' Group
Re: HE.net, Fremont-2 outage?
daemon@ATHENA.MIT.EDU (Matthew Petach)
Wed Nov 4 12:56:50 2009
In-Reply-To: <4AF1A9AB.7060202@csuohio.edu>
Date: Wed, 4 Nov 2009 09:56:02 -0800
From: Matthew Petach <mpetach@netflight.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Wed, Nov 4, 2009 at 8:19 AM, Michael Holstein
<michael.holstein@csuohio.edu> wrote:
>>> FWIW: http://www.he.net/releases/release18.html
>>>
> Well, they say it's a Cat unit, so probably one like this :
> http://www.cat.com/cda/components/securedFile/displaySecuredFileServletJSP?x=7&fileId=1081064
>
>> How long can they go on those 3000 gallons under their current
>> load?
>>
> That engine is rated to consume 70.9g/hr at 50% .. so using a conservative
> estimate, I'd say about 42 hours.
Wouldn't the conservative estimate be 21 hours? (3000 gallons, 142
gal/hr at 100% load);
you'd get more hours out by guessing at what fraction of full load the
generator is
running, but anything longer than 21 hours is fudge-factor guesstimate
based, and not
to be counted on.
> Cheers,
>
> Michael Holstein
> Cleveland State University
Matt
