mother nature always wins always On Tue, Sep 13, 2016 at 12:10 PM, Chuck McCown <[email protected]> wrote:
> Some ham rotators have brakes on them to lock them. > > -----Original Message----- From: Robert Andrews > Sent: Tuesday, September 13, 2016 10:50 AM > To: [email protected] > Subject: Re: [AFMUG] Wooden pole twisting > > You would need a rotator that doesn't have any backlash or a way to lock > it up. > > On 09/13/2016 09:32 AM, Chuck McCown wrote: > >> Yeah, an old TV rotator could do it. Or a ham antenna rotator, those >> are much more heavy duty. >> *From:* Joe Novak <mailto:[email protected]> >> *Sent:* Tuesday, September 13, 2016 10:22 AM >> *To:* [email protected] <mailto:[email protected]> >> *Subject:* Re: [AFMUG] Wooden pole twisting >> What about those old systems for aiming antennas on tripods from your >> living room? >> Is there anything like that remotely controlled that you could rig up? >> On Tue, Sep 13, 2016 at 11:15 AM, Chuck McCown <[email protected] >> <mailto:[email protected]>> wrote: >> >> Antennas are the easy part. Dual receivers and the voting circuit >> is the tricky part. >> *From:* Adam Moffett <mailto:[email protected]> >> *Sent:* Tuesday, September 13, 2016 10:08 AM >> *To:* [email protected] <mailto:[email protected]> >> *Subject:* Re: [AFMUG] Wooden pole twisting >> Hmm...maybe it doesn't need two radios, but two antennas. Like a >> spatial diversity setup. >> I wonder if McCown makes parts for that. >> ------ Original Message ------ >> From: "Chris Fabien" <[email protected] <mailto:[email protected] >> >> >> To: [email protected] <mailto:[email protected]> >> Sent: 9/13/2016 12:02:57 PM >> Subject: Re: [AFMUG] Wooden pole twisting >> >>> 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 <[email protected] >>> <mailto:[email protected]>> 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" <[email protected] >>> <mailto:[email protected]>> >>> To: [email protected] <mailto:[email protected]> >>> 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 >>> <[email protected] <mailto:[email protected]>> >>> 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. >>> >>> >>> >>> >>> >>> >>> >>> > -- If you only see yourself as part of the team but you don't see your team as part of yourself you have already failed as part of the team.
