May not be a viable solution with an 11 ghz backhaul, but you could install two radios, once that is on target in summer and one in winter, and switch between them without climbing at least.
On Tue, Sep 13, 2016 at 11:13 AM, Robert <i...@avantwireless.com> wrote: > When you look at the high voltage distribution lines with twin poles they > through bolt hanger connectors on the poles and then hang the cross braces > across the hangers. Poles twisting then doesn't do anything but put > tension or compression on the cross bracing... Unless the poles actually > start to lean, the cross bracing stays pretty much immobile.. But putting > two poles up pretty much brings it to the price of a tower. > > On 9/13/16 7:54 AM, Adam Moffett wrote: > >> I imagine the pole would win that tug of war over time. >> >> Looking at a photo of this pole, it has a noticeable curvature near the >> top. Maybe we'll move the dish below the curve and see if that helps. >> >> >> ------ Original Message ------ >> From: "Jay Weekley" <par...@cyberbroadband.net> >> To: af@afmug.com >> Sent: 9/13/2016 10:44:11 AM >> Subject: Re: [AFMUG] Wooden pole twisting >> >> For us they are and haven't hand problems with twisting. We've got one >>> with a link that's been steady for 6 years or more. The problem is >>> accessing the link on short notice since we don't know a bucket truck and >>> operators are very busy. It seems like you could put two wood posts on >>> either side of the pole and secure a 4x4 with large lag screws to keep it >>> from twisting. >>> >>> Matt wrote: >>> >>>> I wonder if painting would help keep moisture out? Maybe its a >>>> temperature thing too? >>>> >>>> I always thought wood poles would be great for CPE locations but now >>>> maybe not. >>>> >>>> >>>> On Tue, Sep 13, 2016 at 3:44 AM, Adam Moffett <dmmoff...@gmail.com> >>>> wrote: >>>> >>>>> I've got a 70' (61' AGL) class 3 pole with an AP and backhaul on it. >>>>> It's >>>>> been in the ground about 3 years now. >>>>> >>>>> This past spring we noticed the signal drop slowly on the backhaul >>>>> over the >>>>> course of a month. A climber went up and adjusted it by about 9 >>>>> degrees, >>>>> but he said the mount was tight when he got there. This past month >>>>> the RSSI >>>>> on the backhaul has been slowly dropping again. >>>>> >>>>> The humidity here tends to shoot way up in the summer and drop in the >>>>> winter. I'm supposing this beast must be twisting as it soaks up >>>>> moisture >>>>> and then dries out again. >>>>> >>>>> Is this a problem that might diminish as the pole ages, or is there >>>>> perhaps >>>>> any possible remediation? I guess the permanent fix is a real tower >>>>> or a >>>>> steel pole, but I guess I'm hoping that one of you old phone guys >>>>> knows some >>>>> magic trick. Seems like if there was a wire attached to this pole, >>>>> that a 9 >>>>> degree twist would put some wicked tension on it. >>>>> >>>>> >>>>> >>>> >>> >> >> >
