OK Jay, in the electrical business we call those mineralac hangers (depending on where you live). I thought you intended to use the uni-strut EMT clamps.
Gerald ----- Original Message ----- From: "Jay Urish" <[EMAIL PROTECTED]> To: <Repeater-Builder@yahoogroups.com> Sent: Friday, June 01, 2007 7:43 AM Subject: Re: [Repeater-Builder] slightly OT: securing feedline to the side of a tower > No, I might have used the wrong name.. I will be using EMT "Hangers", > They are a U shaped jobby, with a hole in the bottom to secure them to > something and a holes at the top for a screw to pull both sides together.. > > Gerald Pelnar wrote: >> >> >> Jay, >> >> My local tower guy told me 5 foot max between supports. If the coax >> moves in >> big winds, it'll make noise. I'd avoid the EMT clamps. Use real coax >> stainless clamps. the EMT clamps hold the coax against the 2 rails of the >> uni-strut. Those 2 edges are a little sharp if you get the clamps too >> tight >> and will distort the feedline. >> >> Gerald Pelnar WD0FYF >> McPherson, Ks >> >> > Hi Folks, >> > This weekend I will be un jury rigging a lame feed line install at my >> > repeater site. The tower is a 300' four sided guyed monster. >> > >> > I am planning on using uni-strut on the side facing the building and >> > using butterfly clamps or EMT clamps to hold my feed line. I am open >> to >> > suggestions on the vertical spacing of my unistrut brackets. At what >> > interval should 1/2 - 7/8 and 1-1/4 heliax be secured? >> > >> > Any suggestions? >> > -- >> > Jay Urish W5GM >> > ARRL Life Member Denton County ARRL VEC >> > N5ERS VP/Trustee >> > >> > Monitoring 444.850 PL-88.5 >> > >> >> > > -- > Jay Urish W5GM > ARRL Life Member Denton County ARRL VEC > N5ERS VP/Trustee > > Monitoring 444.850 PL-88.5 > > > > > > > Yahoo! Groups Links > > >
