Eric, Thanks for the tip on the supplier. I would prefer the galvanized and fixed hardware for this, but might consider the all-threaded stock. Probably half dozen/six of the other.
73, ron, n9ee/r >From: Eric Lemmon <[EMAIL PROTECTED]> >Date: 2008/07/13 Sun PM 12:56:00 EDT >To: Repeater-Builder@yahoogroups.com >Subject: RE: [Repeater-Builder] Re: antenna mounting hardware > >Al and Ron, > >I would prefer to use stainless steel threaded rod. washers, and nuts for >this application. Such materials are readily available from McMaster-Carr >and other industrial suppliers. For example, a six-foot length of 5/8-11 >all-thread made of 316 stainless steel costs about $82, and shorter lengths >are available. McMaster-Carr also sells both round-end and square-end >stainless-steel U-bolts. You won't find this stuff at your local hardware >store. More info here: ><www.mcmaster.com> > >73, Eric Lemmon WB6FLY > > >-----Original Message----- >From: Repeater-Builder@yahoogroups.com >[mailto:[EMAIL PROTECTED] On Behalf Of Al Wolfe >Sent: Saturday, July 12, 2008 10:59 PM >To: Repeater-Builder@yahoogroups.com >Subject: [Repeater-Builder] Re: antenna mounting hardware > >Ron, >I've often used "All-Thread" for U bolts and V bolts, you know, the >continuously threaded rod often found at the local hardware store. The >all-thread is easily wrapped around a piece of pipe or angle by putting one >end into a vise and inserting the other end part way into a short section of > >3/4" pipe or conduit and bent into shape around a mandrel. One might need to > >apply some heat to the rod if the bending angle is really sharp, but I've >never had to with the ones I've delt with. > >The all-thread comes in many sizes and lengths and is easily cut to size >with a hacksaw. (Do this only after it is bent to shape and some nuts >screwed on before cutting!) The V shaped grooves of the all-thread bite into > >the tower leg and don't slip. > >Last year I disassembled an AM broadcast skirt antenna that I installed >in 1975 using hardware held together with the all-thead U bolts I made back >then. This was on a tower with four inch diameter legs. The tower was >rusting from the inside of the legs and needed to be replaced but the 1/2" >all-thread was still in perfect shape more than thirty years later. > >It goes without saying that these bolts need to be kept painted as they >are bare steel. I used Rustoleum for this. After the first coat they got >repainted every time we had the tower painted. > >Good luck, >Al, K9SI > >> Does anyone know of a source or V-clamps or the like >> for 5.25" legs??? > >> This has to be hardware that will last 20 years and not >> hose clamps which I have. >> 73, ron, n9ee/r > > > Ron Wright, N9EE 727-376-6575 MICRO COMPUTER CONCEPTS Owner 146.64 repeater Tampa Bay, FL No tone, all are welcome.
