Depending on where this is, you may be able to mount a small wind generator.
http://www.solardyne.com/air403wingen.html John Chuck McCown - 3 wrote: > I would use a 100 watt panel minimum. > And a one month battery. 5watts * 24hours * 30 days = 3600 watt hour > battery > If you are running a 24 volt system then you need 3600/24=150 aH battery. > If you are running a 12 volt system, you need a 300 aH battery. > > You will pay about 30 cents per watt hour for a battery. So $1080 for the > battery. > You will pay about $5/watt for the panel, so $500 for the panel. > Charge controllers are about $100 or less. > > If you build it this way it will always work. You can put in half the > battery for half the price. But then you have only two weeks of insurance > against bad weather. > > Never ever go below 10X the load for the panel, that will just barely cut it > in the sunniest of climates. > Even then you will probably have to put in a back up generator and you will > be cycling the crap out of your batts causing them to only last a couple of > years. > > If you want 99.999% reliability you have to use a panel 24X the size of the > load (unless you have a tracking mount, then you can reduce that). > I try to always use 20X panels and no less than a 2 week battery. But even > then, a week or two of snow on the panels and gray skies every day can cause > an outage. > > > ----- Original Message ----- > From: "Scott Parsons" <[EMAIL PROTECTED]> > To: "'WISPA General List'" <wireless@wispa.org> > Sent: Wednesday, November 19, 2008 5:33 PM > Subject: [WISPA] Remote Powered Access Pont > > > >> I'm looking into setting up a remote access point/repeater. >> Power requirements are 5W. No access to grid power. >> >> I was curious what you guys use for this type of thing? >> I figure I need a 30W solar panel, controller, battery and enclosure. >> How much should I expect to pay for a setup? >> Is there anything available off the shelf? >> >> Thanks for your help. >> Scott >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: wireless@wispa.org >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: wireless@wispa.org > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > > > > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: wireless@wispa.org Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
