[MLB-WIRELESS] Solar Power AP

Michael Craig mcraig at craigy.dynu.com
Tue Oct 21 22:43:11 EST 2003


Or something I noticed the other day....certain parking meters are solar
powred (buy a tiket ones), so not only do you get a free solar panel, people
get free parking.

Or you could just cover the panel and get free parking ne way  :)

-----Original Message-----
From: owner-melbwireless at wireless.org.au
[mailto:owner-melbwireless at wireless.org.au]On Behalf Of James
"Atreidae": Arber
Sent: Tuesday, 21 October 2003 6:37 AM
To: Nick Sibbing; melbwireless at wireless.org.au
Subject: Re: [MLB-WIRELESS] Solar Power AP


go knock off one of those solar emergency telephones they have on the south
eastern after the bypass

all the solar equipment you need
(if your realy daring flog a solar street light)

----- Original Message -----
From: "Nick Sibbing" <nick.sibbing at arts.monash.edu.au>
To: <melbwireless at wireless.org.au>
Sent: Monday, October 20, 2003 2:59 PM
Subject: [MLB-WIRELESS] Solar Power AP


> Gday All
> there was a side discussion at the last meeting about wind power versus
> solar power for powering a remote AP. I suggested wind power might be a
> better way to go than solar but I think I was wrong.
>
> I just did a little resaerch with Lance Turner tech editor for Renew
> from the Alt Tech Assoc http://www.ata.org.au/ and he provided the
> following ball park gigures for and AP and suggested that the
> infrastructure required for wind power would be too expensive and also
> varied widely depending on site conditions (like wireless really)
>
> So Joseph forget wind power and below is a rough costing for reliable
> solar with basic accounting for Melb winter conditions
>
> My conclusion is forget wind power and solar is doable but so expensive
> for a reliable Melb setup that its only worth considering when there is
> no other option. But if anyone knows the real world draw for eg and
> apple airport AP then the maths could be done more accurately.
>
> Regards Nick Sibbing
>
> Subject: Re: Solar Powered Access Points
> Date: Mon, 20 Oct 2003 12:23:01 +1000
> From Lance Turner <lance at ata.org.au>
> Organization:  ReNew magazine
> To: Nick Sibbing <nick.sibbing at arts.monash.edu.au>
>
> Nick,
>
> Yep, that reads about right, reducing the load is the safest way to
> reduce costs while maintaining
> reliability.
>
> Regards,
> Lance Turner
> ReNew magazine
> PO Box 2001 Lygon St North
> East Brunswick VIC 3057
> ph:(03)9388 9311
> fax:(03)9388 9322
> www.ata.org.au
>
> ======= At 2003-10-20, 12:13:00 you wrote: =======
>
> >Gday Lance
> >thanks for your time in the discussion of solar powered APs
> >
> >To recap to make sure I have this correct your quick estimation is
> > based on 500 milliamps 9-12v? AP you'd need:
> >
> >Sealed Lead acid (gel) Battery    $600 - $900
> >
> >Decent Regulator                  $300
> >
> >At least 80 watts of solar panel  $900
> >(120 watts better)
> >
> >
> >However the apple airport rated at 290Ma 12v (and possibly lower) would
> >lower all the costs quite significantly. Which is good because at that
> >sort of dough solar would only be useful if mains wasn't available
> >
> >wind power is probaly not the go as the infrastructure required is
> >likely too bulky, costly and very dependent on site factors
> >
> >if you want to check out Melb Wireless and solar discussions in
> >particular
> >http://melbourne.wireless.org.au/wiki/?WGSolarPower
> >
> >Regards Nick Sibbing
>
> = = = = = = = = = = = = = = = = = = = =
>
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>



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