From owner-freebsd-isp Tue Feb 20 13: 4:10 2001 Delivered-To: freebsd-isp@freebsd.org Received: from federation.addy.com (federation.addy.com [208.11.142.20]) by hub.freebsd.org (Postfix) with ESMTP id 6B42837B4EC for ; Tue, 20 Feb 2001 13:04:08 -0800 (PST) (envelope-from jim@federation.addy.com) Received: from localhost (jim@localhost) by federation.addy.com (8.9.3/8.9.3) with ESMTP id QAA45706 for ; Tue, 20 Feb 2001 16:04:07 -0500 (EST) (envelope-from jim@federation.addy.com) Date: Tue, 20 Feb 2001 16:04:07 -0500 (EST) From: Jim Sander Cc: freebsd-isp@FreeBSD.ORG Subject: RE: Redundancy... In-Reply-To: Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-isp@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > I also have no idea of where you would think a fuel-cell based plant > could used somewhere a traditional diesel/natural gas/propane > generator could not. The emissions of a fuel cell are mostly (all?) heat and water, so they can be used indoors- especially for "short" periods of time, as in a power emergency. (probably not a good idea to fill the unventilated server room with hot, moist air- but in an emergency it could be done) At least you're not going to poison yourself, or those nearby- a big plus in my book. Some areas will prohibit you from storing liquid fuel on premisis. Storing a couple 20lb H2 tanks (or CNG/LPG/propane if the cell can do a clean conversion for you) is much more acceptable (if no less dangerous under proper conditions) than a having a big jug of diesel around. In cramped quarters, the noise of a generator could get annoying really fast- and remote location can present problems of its own. Like I said, there are lots of companies promising to deliver products that look suitable, and some that supposedly already have. (but we all know how firm tech-related release dates are/not) I was hoping (but not really expecting) to hear from users with deeper pockets about what I think is a killer technology for this type of application. -=Jim=- P.S. I'm building a bookmark list of things people send, and will post here if and when it seems worthwhile. Nothing dramatic yet, but a few mildly interesting things. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-isp" in the body of the message