Brian Tessco makes a nice one that has a collar that goes around the vent hatch on top and no welding ,very secure.we bought one approx $2,500 and had a local machine shop build us two more at $500 each.They work real well and are easy to install and remove. Ray Hill surfmore.net
----- Original Message ----- From: "Chuck McCown - 3" <[EMAIL PROTECTED]> To: "WISPA General List" <[email protected]> Sent: Saturday, November 08, 2008 11:39 AM Subject: Re: [WISPA] Stand offs for a water tower question... >I would weld if the tank owner allows. > > ----- Original Message ----- > From: "St. Louis Broadband" <[EMAIL PROTECTED]> > To: "WISPA General List" <[email protected]> > Sent: Saturday, November 08, 2008 10:37 AM > Subject: Re: [WISPA] Stand offs for a water tower question... > > >> Are the magnets the best (most cost effective) way of completing this >> type >> of install? Or is capacitive discharge stud welding going to be the >> better >> route? >> >> >> On Sat, Nov 8, 2008 at 11:28 AM, Brian Rohrbacher >> <[EMAIL PROTECTED]>wrote: >> >>> Do a little reading on rare earth magnets (the strongest magnet there >>> is). You might be able to do some calculations and figure out what you >>> would to build your own. >>> Here are a couple sites I just googled. I think all you need to do is >>> figure out how much pull force you need to offset the wind load. >>> >>> http://www.kjmagnetics.com/neomaginfo.asp >>> http://www.indigo.com/magnets/rare-earth-magnets.html >>> >>> Brian >>> >>> St. Louis Broadband wrote: >>> > I have two water towers that will need 4 to 5 antenna mounts. The >>> > water >>> > towers are both the same. They are approximately 120' with a climbing >>> tube >>> > and a bulb at the top. There are no side rails. The hatch opens to the >>> bulb. >>> > How do you attach antennas??? Is welding standoffs the best practice? >>> Any >>> > ideas on basic costs? >>> > >>> > Here is a pic of one of the towers: http://stlbroadband.com/h20.html >>> > >>> > Also this was a method mentioned on another thread: >>> > http://www.metal-cable.com/page13.html >>> > These guys are nice but $3k apiece. I am thinking that if you went >>> > that >>> > route that you could get three for each tower and ad a mounting pipe >>> between >>> > each creating a triangle and mount to that. I am not sure how long >>> > they >>> > would maintain their power for this application, but if you had to >>> > move >>> your >>> > network these come along versus a welded situation. >>> > >>> > Thanks, >>> > Victoria >>> > >>> > >>> > >>> -------------------------------------------------------------------------------- >>> > WISPA Wants You! Join today! >>> > http://signup.wispa.org/ >>> > >>> -------------------------------------------------------------------------------- >>> > >>> > WISPA Wireless List: [email protected] >>> > >>> > 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: [email protected] >>> >>> 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: [email protected] >> >> 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: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.175 / Virus Database: 270.9.0/1775 - Release Date: 11/8/2008 9:56 AM -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
