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I am the owner of a C-3 that exists under moderate weather conditions and performs well. I understand the cost and effort that goes into erecting your fine antenna system. The anger that comes with a manufacturer not meeting expectations is also understood. Your experience with F-12 seems to be the exception and might fall under the category of "Stuff happens". It would be useful to see the antennas that did survive your particular conditions. We would all learn from it. Jim > In message <E19D97Q-0001vd-Kf.2003-05-06-21-33-55@imailg2.svr.pol.co.uk> > , Tom, the owner of Force12 writes > > >There certainly are > >exceptions in weather conditions and one who lives in those zones should > >make it known at the time of order, regardless of the company they purchase > >from. I have tracked wind patterns and storm types for several years and > >know how to build antennas to meet any conditions. > > In that case, would you like to explain the long list of failures on the > 100mph rated Magnum 340 that I've shown, most with high resolution > pictures, at > > http://www.gi0nwg.freeserve.co.uk/F12/index.htm > > This antenna was installed at a location which semi-regularly sees gusts > in the 80mph region but only on the very odd occasion (once every few > years) sees them get anywhere near 100mph. In fact, the local > government owned weather monitoring station shows the maximum gust for a > 30 year period in this area to be 87 knots (100mph). I think you'd > agree that the 100mph version was probably the one to install here. We > done our homework and that is why the 100mph rated antenna was bought > instead of the 80mph one, but it still failed numerous times and in lots > of places that the wind has no real effect on. > > I've taken a lot of stick from some people on this reflector for > highlighting problem areas on some F12 antennas and have been called a > F12 basher. Those people are very quick to come back on my comments and > virtually call me a liar. To those people, take a look at the photos > and then ask yourself what you'd say and do if you owned this antenna. > Remember, it's supposed to be rated at 100mph and the local government > owned weather station has only recorded a peak wind gust at 100mph in a > 30 year period. > > Andrew Williamson GI0NWG / AC6WI > Homepage = http://www.gi0nwg.freeserve.co.uk/ -------------------------------------------- Force12Talk mailing list provided as a service by Force 12 Antennas, Inc. Force12 Web Site: http://www.force12inc.com To Submit Message to the List: Force12Talk@qth.com To unsubscribe and view the Message Archive: see http://qth.com/force12/list For problems with the list: contact n4zr@qth.com |