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Total 13 documents matching your query.

1. [TowerTalk] Rotatorplate (score: 1): Author: "Mika Liimatainen" <oh6nvc@mbnet.fi>; Date: Fri, 16 Dec 2011 12:17:15 +0200 (EET); Hi I am currently building a antenna tower and I tought to buy Prosistel pst2051 or pst61 rotator.How big the hole should be in rotator plate if I need to replace part of it to indicate the direction; /archives//html/Towertalk/2011-12/msg00404.html (6,615 bytes)
2. Re: [TowerTalk] Rotatorplate (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Fri, 16 Dec 2011 21:43:27 -0500; I'm not quite sure what you are asking. The PST-61 and 71 are physically large (and heavy) rotators. Even on my older PST-61 the motor needs to be repositioned to fit inside a ROHN 45G. The newer mod; /archives//html/Towertalk/2011-12/msg00408.html (10,188 bytes)
3. Re: [TowerTalk] Rotatorplate (score: 1): Author: Ian White GM3SEK <gm3sek@ifwtech.co.uk>; Date: Sat, 17 Dec 2011 08:44:36 +0000; [...] [...] Watch out for PST rotators in a tilt-over tower, because the water shield over the top seal is only fully effective while the tower is upright. If the tower is routinely tilted over for s; /archives//html/Towertalk/2011-12/msg00410.html (8,090 bytes)
4. Re: [TowerTalk] Rotatorplate (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Sat, 17 Dec 2011 05:03:47 -0500; If you lay it over so the output shaft is horizontal any water that gets in should run right back out. I'd be more concerned about driving rain and wind with the thing upright. If water can still be; /archives//html/Towertalk/2011-12/msg00411.html (8,151 bytes)
5. Re: [TowerTalk] Rotatorplate (score: 1): Author: "Mika Liimatainen" <oh6nvc@mbnet.fi>; Date: Sat, 17 Dec 2011 12:14:34 +0200 (EET); Have you understood my question.? I mean that hole in rotator plate. That hole, if I need to replace direction sensor of rotator! How big a hole must be that I can, if necessary, replace that sensor,; /archives//html/Towertalk/2011-12/msg00412.html (9,090 bytes)
6. Re: [TowerTalk] Rotatorplate (score: 1): Author: Paul_group <paul_group@greenrover.demon.co.uk>; Date: Sat, 17 Dec 2011 10:17:35 +0000; Not so Roger, if the unit is on its side water can and will get into the top bearing, Like most rotors they are only intended to shed water. Water can also get through the mild steel plate / rotor ho; /archives//html/Towertalk/2011-12/msg00413.html (9,310 bytes)
7. Re: [TowerTalk] Rotatorplate (score: 1): Author: "Mika Liimatainen" <oh6nvc@mbnet.fi>; Date: Sat, 17 Dec 2011 12:41:49 +0200 (EET); I mean the hole which is the highest pic. http://www.arraysolutions.com/Products/cmwrotor&bearingplates.htm Mika oh6nvc _______________________________________________ _______________________________; /archives//html/Towertalk/2011-12/msg00414.html (9,855 bytes)
8. Re: [TowerTalk] Rotatorplate (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Sat, 17 Dec 2011 09:35:36 -0500; Mine has a seal up there. The only reason water is a problem is the top of the rotator has a raised rim around the area of the top seal. That rim which is a reinforcement is about 4" in diameter and; /archives//html/Towertalk/2011-12/msg00415.html (10,521 bytes)
9. Re: [TowerTalk] Rotatorplate (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Sat, 17 Dec 2011 10:09:09 -0500; Now I understand. Unfortunately the answer is "BIG" The diameter of the bottom plate shown in photo 21 on http://www.rogerhalstead.com/Gears.htm is just over 5 1/8" or 13.2 cm in diameter. I believe; /archives//html/Towertalk/2011-12/msg00416.html (11,851 bytes)
10. Re: [TowerTalk] Rotatorplate (score: 1): Author: Paul_group <paul_group@greenrover.demon.co.uk>; Date: Sat, 17 Dec 2011 17:06:38 +0000; Well Roger I have repaired a couple of these, maybe being in an exposed coastal area where masts do tend to be laid over for fairly extended periods makes a difference, YMMV but I advise an additiona; /archives//html/Towertalk/2011-12/msg00417.html (9,210 bytes)
11. Re: [TowerTalk] Rotatorplate (score: 1): Author: K8RI <K8RI-on-TowerTalk@tm.net>; Date: Sat, 17 Dec 2011 13:05:48 -0500; I'd agree for "extended periods". the rotator shaft is high carbon steel and rusts easily, so if exposed to the elements for a prolonged period they certainly would rust. I pack that area full of whi; /archives//html/Towertalk/2011-12/msg00418.html (12,557 bytes)
12. Re: [TowerTalk] Rotatorplate (score: 1): Author: Paul_group <paul_group@greenrover.demon.co.uk>; Date: Sat, 17 Dec 2011 18:32:51 +0000; Yes agreed that would be worthwhile - its impossible to get enough grease in there to stop it washing out eventually. There is a dead patch of grass in the field under mine ;-) yes they are very repa; /archives//html/Towertalk/2011-12/msg00419.html (9,909 bytes)
13. Re: [TowerTalk] Rotatorplate (score: 1): Author: paul@greenrover.demon.co.uk; Date: Sat, 17 Dec 2011 18:30:45 +0000; Yes agreed that would be worthwhile - its impossible to get enough grease in there to stop it washing out eventually. There is a dead patch of grass in the field under mine ;-) yes they are very repa; /archives//html/Towertalk/2011-12/msg00430.html (10,261 bytes)

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