Thanks for the tips, John. On Thu, Feb 4, 2021, 8:51 PM john Parmalee via BVARC <bvarc@bvarc.org> wrote:
> I have been watching on and off all day the Rohn 25 saga. > > Years ago I watched a tower hand stack 250' for a broadcast tower. He was > stacking it on a ball so after getting a couple of sections vertical and > guyed off he brought out a 10' section of electrical tube, probably inch or > so. There was a simple hardware store pulley attached at the top. there > were also tow 3/8 or so bolts through the tube spaced to match with the > cross bracing The ends of the bolts were bent to an ell. He simply stood > the gin pole along the existing section. his ground man attached the lift > line above the C of G of the next section and it was lifted into place. > Be careful, there are six bolts for each joint, not all the bolts are the > same size The smaller ones will go in the larger holes but not the reverse. > Also if you ever intend to disassemble the tower wipe a little heavy > grease on the mating joints as you stack itand it you do need to get it > apart a pair of 2x4's and a bottle jack will do it. > > You could always rent a boom lift. Don't even try a scissor lift > though.The push over too easily. > > One of those $200 units looks like it attaches to scaffolding not tower. > > Have fun guys > > John Parmalee > jparma...@aol.com > 281-380-3811 > K5VGM WI2XLJ > In a message dated 2/4/2021 12:09:22 PM Central Standard Time, > bvarc@bvarc.org writes: > > > That's the trick, Mark - I found that video a couple years ago, when I > first bought my tower! (He's got a few other climbing videos that are > downright scary!) Then I found a set of those professional heavy duty > Andrews clamps <https://tinyurl.com/19x4y3u1> at the Orange hamfest for > $15.00, and located a flagpole truck pulley on eBay > <https://tinyurl.com/b8rq1ylh>. > > On Thu, Feb 4, 2021 at 11:23 AM mark janzer via BVARC <bvarc@bvarc.org> > wrote: > > > Gin pole video YMMV > > Gin pole, tower assembly, Rohn 25, tower installation, Pulley system - > YouTube <https://www.youtube.com/watch?v=cZwf5IqkBWs&feature=emb_logo> > > On Thursday, February 4, 2021, 11:04:10 AM CST, Gus Bernard via BVARC < > bvarc@bvarc.org> wrote: > > > Here's a home-brew version, to which you add your own 2" pipe and rope: > https://tinyurl.com/z6tahc82. > > > On Thu, Feb 4, 2021 at 2:59 PM Gary Sitton via BVARC <bvarc@bvarc.org> > wrote: > > Ok, enough of the joke already > > > > https://m.northerntool.com/shop/tools/product_200498848_200498848?cm_mmc=Google-LIA&utm_source=Google_LIA&utm_medium=Construction%20%3E%20Scaffolding&utm_campaign=Metaltech&utm_content=21861&gclid=Cj0KCQiA0-6ABhDMARIsAFVdQv8qbtD55kU6hmhrAUWXGjsmMbTn24hDCtEjn2Pl4bqET5BN6UYB56oaAonCEALw_wcB&gclsrc=aw.ds > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ > > > ________________________________________________ > Brazos Valley Amateur Radio Club > > BVARC mailing list > BVARC@bvarc.org > http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org > Publicly available archives are available here: > https://www.mail-archive.com/bvarc@bvarc.org/ >
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