On a related note, does anyone know where in Houston can you buy sections of aluminum tubing for repairs?
Nathan Vessey > On Jun 7, 2016, at 8:07 AM, Rick Hiller via BVARC <[email protected]> wrote: > > Aluminum Oxide based sandpaper works too. I have use a bit of 3 in 1 oil > with AL oxide sandpaper when cleaning element ends. Or just use the Ox-GARD > or No-Ox conductive paste (found in the electrical department of HD or > Loews), spread it thin and sand paper away both the OD of the goes-inta end > and the ID of the goes-outta end. > > At each junction, once the tubing is fit and clamped, check with an ohm > meter. You can buy AL Oxide in bulk if you wish to make your own batch of > conductive grease. > > Maybe the resident chemist, KS5V, has a comment on the make-up of conductive > grease…..Dan??? > > 73….RH > > From: BVARC [mailto:[email protected]] On Behalf Of Travis Burgess via > BVARC > Sent: Tuesday, June 07, 2016 7:28 AM > To: [email protected] > Cc: Travis Burgess <[email protected]> > Subject: [BVARC] Refurbishing Aluminum Antennas > > The following was copy/pasta from the GQRP Yahoo group today: > Travis, K5HTB > > > refurbing Ali antennas > Tue Jun 7, 2016 12:32 am (PDT) . Posted by: > "Dominic Baines" DomBaines > Over on CDXC I saw this post and thought this snippit of advise might be > useful for those (like me) that service the Ali antenna bits from time > to time and get rid of the creepy crawlies that setup home in the traps. > It worked too, I used these plumbers strips used to clean up copper > tubing before soldering. Apologies to those that already knew this. > > The author is Vic G4BYG, who is in my log a few times since 2012 (160m > contest), I do not know if he is a GQRP member or not but he seems to > love messing with antennas according to my notes. > > ".... strip of Emery Cloth dipped in petroleum jelly (Vaseline!!!) and > then rub on both mating surfaces till you get a nice grey conductive paste. > > This is the method we used when joining (by clamps) Aluminium Bus Bars > above telephone exchange racks. Stops oxidisation. > > Used this method for years on telescoping ally tubing with no problems. > > Its CHEAP and effective.:-) > > HINT !!! Most Copper Slip is NON conductive. > > Try dipping your multimeter probes into the gump and see just how Open > Circuit it is. > > " > > 72 > > Dom > M1KTA > > _______________________________________________ > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
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