Wind is a viable source of power Cam.... don't be swayed from your system deployment. Just deploy both at the same site and you'll get the best of both worlds.
JohnnyO ----- Original Message ----- From: <[EMAIL PROTECTED]> To: "WISPA General List" <wireless@wispa.org> Sent: Monday, March 17, 2008 9:06 PM Subject: Re: [WISPA] Off Grid System Design Comments. > This sounds like my first reaction when my boss told me we were going wind > powerd (crazy). > > So, guessing from the orignal poster of the thread, many advise to go > SOLAR!! > > Which I prefer anyhow. > > -Cameron > > >> Travis - the startup speed of these Air-X generators is around 10mph... >> that doesn't mean it starts generating power at 10mph - it just means it >> starts turning. >> >> They did just release some consumer 1000watt wind generators that have a >> start-up speed around 7mph - they are much more efficient and their power >> curve is a LOT higher at lower RPMs. >> >> JohnnyO >> ----- Original Message ----- >> From: Travis Johnson >> To: WISPA General List >> Sent: Monday, March 17, 2008 8:21 PM >> Subject: Re: [WISPA] Off Grid System Design Comments. >> >> >> I agree. Wind turbines really only produce about 50% of what they claim >> (even at full wind speed). You will need 4 or 6 of that size wind >> turbine to keep things running. >> >> We had a site that was on a 9500ft mountaintop that showed a 15mph wind >> average (over the entire year). We put up two 400 watt turbines and had >> 10 or 12 batteries (100ah). We only had 5 radios total (trango) and a >> small 5 port 12v switch. The site would stay up for about 3-4 days >> before we had to go start the generator. I think our total draw was >> under 80 watts for everything. >> >> You need to take a look at the Bergey wind turbines. They are >> expensive, >> but they work really well. However, you can NOT mount them on the top of >> a Rohn type tower... their mounting pipe has to be exact, and if it's >> off by even 1/8", the whole thing will eventually vibrate itself apart. >> Spend the extra $500 and buy their recommended mounting tower system. >> >> Travis >> Microserv >> >> JohnnyO wrote: >> Cameron - unless you have CONSTANT wind, you are going to be seriously >> underpowered. >> >> JohnnyO >> >> ----- Original Message ----- >> From: <[EMAIL PROTECTED]> >> To: "WISPA General List" <wireless@wispa.org> >> Sent: Monday, March 17, 2008 6:22 PM >> Subject: Re: [WISPA] Off Grid System Design Comments. >> >> >> We are installing a new tower very soon (in the next couple weeks) that >> will be run completely off Wind power with a 400-watt wind turbine. Of >> course we will have 6 105 amp hour batteries. Our draw at one of our >> popular sites is under 375 watts. This using a PC-Based MikroTik/ HP >> Procurve 2524, 6 Alvarion B NET Backhauls, 2 Alvarion VL-AU's, 1 Trango >> 900 Sector. >> >> We switched some hardware in the MikroTik routers mostly the newer low >> powered AMD cpu's and that made a hugh difference and going from the HP >> procurve 2424m to a 2524 which cut the wattage from 90 watts to about 25 >> watts. The Alvarion Units use about 200 watts total and the trango is >> like >> 13 watts or so, (been a while since I checked them). The mikrotik router >> is uing 60-75 watts. All in all, not to shabby as far as power >> consumption. >> >> -Cameron >> >> I wanted to get input from the WISPA list about a complete design for >> a >> off >> grid base station design base on a dual and quad radio system. We have >> been >> looking into this and have come up with a design using both wind and >> solar >> power that will keep a unit up and running 24/7/365. The idea is to have >> a >> complete package design so the base stations can be installed anywhere, >> but >> in order to keep the costs low it would be base on a max 48Watt design. >> >> Questions: >> 1. Is this something WISP would want in the USA, and would find useful? >> 2. Would you like this in a single package or parts (where a package >> would >> have a 1 year warrantee and parts would not) >> 3. What are you finding the power needs are at a typical WPOP? >> 4. Other Comments? >> >> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! 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