Rick, Now that is a nice idea, I have done the same with 10 AWG Solid Copper Wire by looping the end and spinning it with a drill to make 2M antenna elements that stand straight, nice idea with the strung wire as well!
Ron KE4DRF On Sun, Dec 20, 2020 at 9:57 PM Rick Hiller via BVARC <[email protected]> wrote: > Ron, > > One way that I found to pre-stretch wire before putting it up is to anneal > it. Cut it to length or a bit longer. Tie one end to a fixed point and > then at the other end wrap it around a hammer handle a few times then walk > backward till the wire is tight. Then holding the hammer to your chest, > lean backward to stretch the wire...not enough to break it but enough to > stretch it and make it stay at this final length. I built delta loops for > many years out of solid copper wire that I got surplus and did this with > all of the installations and they remained one size for a long time. > > GL....rick W5RH > > On Sun, Dec 20, 2020 at 3:02 PM Ron Bosch via BVARC <[email protected]> > wrote: > >> Mark, >> Assuming copper clad or copper wire, anything above 21 AWG is fine for >> any freq greater than 160M from a skin effect standpoint. After that it is >> all about tensile strength vs ductility. Too ductile and it will sag. too >> brittle and it will part. The first three HF antennas, including my 135' >> random, I built were made from some 16 G PVC coated copper power wire I had >> 500' of from an outdoor power run for security cameras. They all worked, >> but the wire stretches under strain, so about every month I have to pull it >> tight. Eventually this will make it part. I bought 500' of #14 stranded >> PVC coated wire from Palomar Engineers because I fell in love with it after >> using 50' of it on an end-fed coil loaded EmComm antenna I built. Once the >> outdoor sprinkler power wire parts, I will rebuild the antennas with the PE >> wire. >> >> Ron >> KE4DRF >> >> On Sun, Dec 20, 2020 at 2:33 PM Mark Brantana via BVARC <[email protected]> >> wrote: >> >>> Is there some correlation for transmission power and frequency vs wire >>> gage required? Or is it essentially all about structural stability? >>> Mark >>> N5PRD >>> >>> On Dec 15, 2020, at 12:11 PM, john Parmalee via BVARC <[email protected]> >>> wrote: >>> >>> Consider #17 electric fence wire. Take two or three strands and twist >>> them together with one end clampied in a vice or something and the other >>> end in the chuck of a hand drill. it will shrink so oversize. >>> It is chap,Find it at Tractor Supply or on line. >>> >>> John Parmalee >>> [email protected] >>> 281-380-3811 >>> K5VGM WI2XLJ >>> In a message dated 12/14/2020 8:37:10 PM Central Standard Time, >>> [email protected] writes: >>> >>> >>> This is link to wire I got and I am VERY impressed with these guys for >>> help. It is stranded and insulated. >>> >>> >>> >>> https://palomar-engineers.com/tech-support/tech-topics/ferrite-tutorials/search?keyword=antenna%20wire >>> >>> >>> >>> >>> >>> *From:* BVARC <[email protected]> *On Behalf Of *Rick Hiller via >>> BVARC >>> *Sent:* Monday, December 14, 2020 8:13 PM >>> *To:* BRAZOS VALLEY AMATEUR RADIO CLUB <[email protected]> >>> *Cc:* Rick Hiller <[email protected]>; Mark Janzer <[email protected]>; >>> KJ Anderson <[email protected]> >>> *Subject:* Re: [BVARC] Antenna wire? >>> >>> >>> I’d lean toward insulated. Keeps inter-strand noise at a minimum. 135 >>> feet—- 14 awg stranded at min. Alpha Delta uses 14 solid for their fan >>> dipoles. So either way works, depending on how it is deployed. >>> >>> Wireman, DX Eng and others. >>> >>> GL. Rick. RH >>> >>> Sent from my i-Thingamajig >>> >>> >>> On Dec 14, 2020, at 7:31 PM, Mark Janzer via BVARC <[email protected]> >>> wrote: >>> >>> Check out: >>> >>> >>> https://thewireman.com/product-category/antenna-materials/antenna-wire/ >>> >>> >>> Flex weave is nice. >>> >>> >>> >>> On Dec 14, 2020, at 4:31 PM, KJ Anderson via BVARC <[email protected]> >>> wrote: >>> >>> >>> >>> I need input. I want to build an additional 40M EFHW, I’m wondering if >>> the group has input or guidance on the best kind of wire to use for the >>> long wire? It appears that the antenna manufacturers are happy to sell me >>> “high-grade antenna wire” that is nothing more than regular 14AWG wire I >>> could get literally anywhere for much less; my question is- has anyone >>> tried anything more exotic? Is there a flavor of wire that works >>> better/worse for antennas? >>> >>> >>> I appreciate you all. >>> >>> >>> ~~~~~~~~~~~~~~~~~~~~~~ >>> >>> 73 de KJ5EMP >>> >>> [email protected] >>> >>> KJ in Cypress >>> >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >>> >>> ________________________________________________ >>> Brazos Valley Amateur Radio Club >>> >>> BVARC mailing list >>> [email protected] >>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >>> >> ________________________________________________ >> Brazos Valley Amateur Radio Club >> >> BVARC mailing list >> [email protected] >> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >> > > > -- > Rick Hiller > *e-mail: [email protected] <[email protected]>* > *Cell: 832-474-3713* > *Physical: 9031 Troulon Drive* > * Houston, TX 77036* > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > [email protected] > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org >
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