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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[TowerTalk\]\s+Rotor\s+Removal\s*$/: 17 ]

Total 17 documents matching your query.

1. [TowerTalk] Rotor Removal (score: 1): Author: kg5u@hal-pc.org (Dale Martin); Date: Sun, 13 Jul 1997 10:19:15 -0500; Next weekend, I plan to climb the 80' Rohn 45G tower at our club station (W5RRR/Johnson Space Center ARC) and remove the rotator. The rotator is on a rotor plate inside the tower. A thrust bearing is; /archives//html/Towertalk/1997-07/msg00451.html (8,403 bytes)
2. [TowerTalk] Rotor Removal (score: 1): Author: rattmann@cts.com (rattmann); Date: Sun, 13 Jul 1997 12:47:10 -0700 (PDT); KG5U wrote, in part: Dale, your proposed method will work. When you say "crowbar" it up, do you mean wedge a crowbar under the 204BA clamp, loosen the rotator clamps, and lever the antenna/mast combo; /archives//html/Towertalk/1997-07/msg00464.html (9,413 bytes)
3. [TowerTalk] Rotor Removal (score: 1): Author: "k4sb@worldnet.att.net"@worldnet.att.net (Edward W. Sleight); Date: Sun, 13 Jul 1997 05:52:00 -0700; The easiest way in the world is to put a muffler clamp in place right above the thrust bearing. Crowbar the mast up a little and then make sure the clamp is against the TB and tighten it up. 73 Ed --; /archives//html/Towertalk/1997-07/msg00474.html (7,252 bytes)
4. [TowerTalk] Rotor Removal (score: 1): Author: w7ni@teleport.com (Stan Griffiths); Date: Thu, 17 Jul 1997 23:50:37 -0700 (PDT); My favorite way to take care of the "locking collar" problem is to just turn the collar upsidedown, defeating the locking mechanism. The collar works fine that way and rides nicely on top of the bea; /archives//html/Towertalk/1997-07/msg00587.html (8,224 bytes)
5. [TowerTalk] Rotor Removal (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Tue, 25 May 2010 11:32:26 -0400; I am thinking about possible rotor maintenance on my new tower. I will be lifting a 22 foot mast and antenna stack onto the tower with a crane and nesting it 4 feet or so into my Rohn 45 tower. I wil; /archives//html/Towertalk/2010-05/msg00602.html (9,042 bytes)
6. Re: [TowerTalk] Rotor Removal (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 25 May 2010 10:27:18 -0700; You are on the right track. The second rotator plate should have a plate with a hole just oversize for the mast. Then as the crane lowers the mast into the tower it will keep the mast near vertical.; /archives//html/Towertalk/2010-05/msg00606.html (10,545 bytes)
7. Re: [TowerTalk] Rotor Removal (score: 1): Author: KJ6Y@aol.com; Date: Tue, 25 May 2010 13:57:47 EDT; A 2 ton come along is the best way to raise the mast off the rotor. Skip, _KJ6Y_ (http://www.kj6y.com/) _New WEB Site Communications Service Co_ (http://www.communicationsserviceco.com/) 818-887-3569; /archives//html/Towertalk/2010-05/msg00608.html (6,862 bytes)
8. Re: [TowerTalk] Rotor Removal (score: 1): Author: David Gilbert <xdavid@cis-broadband.com>; Date: Tue, 25 May 2010 10:58:51 -0700; I do a similar thing, but I have a suggestion that may make it simpler and cheaper for you. Drill holes in one face of an 18 inch length of angle iron spaced to accept the bolts from a saddle-type mu; /archives//html/Towertalk/2010-05/msg00609.html (11,627 bytes)
9. Re: [TowerTalk] Rotor Removal (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Tue, 25 May 2010 14:22:59 -0400; Likewise, but it depends on the weight of the mast and antennas. In my system I'm looking at maybe 600# so I simply use one of the top braces for the come along. I put a saddle clamp around the mast; /archives//html/Towertalk/2010-05/msg00610.html (14,601 bytes)
10. Re: [TowerTalk] Rotor Removal (score: 1): Author: "Mark Robinson" <markrob@mindspring.com>; Date: Tue, 25 May 2010 14:36:09 -0400; I only have 220 pounds including the weight of the mast Mark N1UK _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@cont; /archives//html/Towertalk/2010-05/msg00611.html (16,105 bytes)
11. Re: [TowerTalk] Rotor Removal (score: 1): Author: "Kenneth R. Goodwin, Jr." <krgoodwin@comcast.net>; Date: Tue, 25 May 2010 14:12:15 -0500; I used an old TB3 and some angle iron (actually unused tower braces cut to the necessary length) to tie a TB3 to the tower legs with u-bolt clamps. I drilled the holes in the 'angle iron' for the u-b; /archives//html/Towertalk/2010-05/msg00612.html (8,104 bytes)
12. Re: [TowerTalk] Rotor Removal (score: 1): Author: Grant Saviers <grants2@pacbell.net>; Date: Tue, 25 May 2010 13:57:07 -0700; An additional comment for building a tower and stack without a crane. For a long mast it helps if the mast is placed inside the tower at the start. Then the mast hoist can proceed when the tower is u; /archives//html/Towertalk/2010-05/msg00613.html (8,032 bytes)
13. [TowerTalk] Rotor Removal (score: 1): Author: "Don Tucker" <w7wll@arrl.net>; Date: Tue, 25 May 2010 14:13:19 -0700; Good suggestions which I have tucked away in my Good Ideas folder for my fixed tower when it goes up. But with the old HyGain HG70HD I'm presently using there is very limited space between the rotor,; /archives//html/Towertalk/2010-05/msg00614.html (9,466 bytes)
14. Re: [TowerTalk] Rotor Removal (score: 1): Author: <john@kk9a.com>; Date: Tue, 25 May 2010 17:38:51 -0400; You might want to nest the mast a few feet deeper into the tower to lessen the side forces at the bottom of the mast. I would save the money on the second thrust bearing and use it to buy the best ro; /archives//html/Towertalk/2010-05/msg00615.html (8,387 bytes)
15. Re: [TowerTalk] Rotor Removal (score: 1): Author: Brahmangou@aol.com; Date: Tue, 25 May 2010 18:04:32 EDT; Keeping in mind that none of my arrays are over 300 lb. The last few times I changed out a rotor, it went pretty easy. 1 loosen the set screws on the thrust bearing 2 loosen the mast clamp on the rot; /archives//html/Towertalk/2010-05/msg00616.html (9,672 bytes)
16. Re: [TowerTalk] Rotor Removal (score: 1): Author: "Jim McDonald" <jim@n7us.net>; Date: Tue, 25 May 2010 18:46:23 -0500; I have the Mast Raising Fixture from US Tower for my HDK-589. You might be able to use that if you rather not homebrew a solution. It mounts on two holes in the lower top plate, and the cable runs do; /archives//html/Towertalk/2010-05/msg00617.html (9,860 bytes)
17. Re: [TowerTalk] Rotor Removal (score: 1): Author: "Roger (K8RI)" <K8RI-on-TowerTalk@tm.net>; Date: Tue, 25 May 2010 20:35:48 -0400; I did this. I placed two, 20' structural steel tubes in side the bottom two sections. once the tower reached 40' in height the two tubes were butt welded together. I should have put a 1 or 2' sleeve; /archives//html/Towertalk/2010-05/msg00618.html (9,186 bytes)

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