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Total 31 documents matching your query.

21. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: Stan Stockton <k5go@cox.net>; Date: Wed, 7 Sep 2011 06:56:41 -0500; I am using an extra large one (think it weighs over a hundred pounds) on my 40m antenna and the gear reduction is only about 5800-1. I doubt there are any rotatable antennas that cannot be handled by; /archives//html/Towertalk/2011-09/msg00069.html (12,477 bytes)
22. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 07 Sep 2011 06:04:03 -0700; Precisely.. There's a fairly limited need for big rotors, and for the mean time, the supply of prop pitch motors is probably sufficient. It's a market like big engines for unlimited hydro boats and a; /archives//html/Towertalk/2011-09/msg00070.html (9,905 bytes)
23. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: "Jim W7RY" <w7ry@inbox.com>; Date: Wed, 7 Sep 2011 06:48:30 -0700; Simply use a windshield wiper motor and gear box. that is what AlphaSpid uses. 73 Jim W7RY == Email scanned by PC Tools - No viruses or spyware found. (Email Guard: 7.0.0.18, Virus/Spyware Database:; /archives//html/Towertalk/2011-09/msg00071.html (12,921 bytes)
24. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: Jim Lux <jimlux@earthlink.net>; Date: Wed, 07 Sep 2011 09:04:31 -0700; prop pitch, windshield wipers, electric window, jail door latches, and antenna rotors all share some interesting properties: very low duty cycle operation low rotational speed durability requirements; /archives//html/Towertalk/2011-09/msg00072.html (9,816 bytes)
25. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: <john@kk9a.com>; Date: Wed, 07 Sep 2011 14:14:47 -0800; I wish I could find that pile of prop pitch units now! <snip> New, Yes, but not at the surplus shops. My comment about them being available for between $10 and $20 was in the early 1960's and they ha; /archives//html/Towertalk/2011-09/msg00075.html (8,437 bytes)
26. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: K8RI on TT <k8ri-on-towertalk@tm.net>; Date: Wed, 07 Sep 2011 18:22:48 -0400; Wish I had known what the demand would be 50 years later. OTOH in the mid 60's I was on the surplus bidders list. There were 4 P-51s some where down near the gulf coast. They were flyable and even ha; /archives//html/Towertalk/2011-09/msg00076.html (9,830 bytes)
27. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: K8RI on TT <k8ri-on-towertalk@tm.net>; Date: Wed, 07 Sep 2011 20:17:14 -0400; If any one is interested I had a call from W9RR who has the Triex diagram for side mounting a prop pitch motor The drawing is dated 7/1/75 and drawing # B-100-000-750701 I had completely forgotten ab; /archives//html/Towertalk/2011-09/msg00079.html (8,433 bytes)
28. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: "Gary Schafer" <garyschafer@comcast.net>; Date: Wed, 7 Sep 2011 20:27:52 -0400; Hi Roger, Where could I find that drawing? 73 Gary K4FMX _______________________________________________ _______________________________________________ TowerTalk mailing list TowerTalk@contesting.co; /archives//html/Towertalk/2011-09/msg00081.html (9,678 bytes)
29. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: "David Thompson" <thompson@mindspring.com>; Date: Wed, 7 Sep 2011 23:24:05 -0400; I bought a small prop pitch in 1975 from a ham in California WB6 something his name was Bob Leo. (Not W7LR). He sold them via the old yellow sheet classifieds. I got a mounting plate from Lou Tristao; /archives//html/Towertalk/2011-09/msg00084.html (9,808 bytes)
30. Re: [TowerTalk] Heavy Duty Rotor (score: 1): Author: K8RI on TT <k8ri-on-towertalk@tm.net>; Date: Thu, 08 Sep 2011 00:36:54 -0400; Check with George, W9RR who is no down in Ga according to QRZ. He also reads TT so he may see your post. 73 Roger (K8RI) _______________________________________________ ______________________________; /archives//html/Towertalk/2011-09/msg00085.html (10,083 bytes)
31. [TowerTalk] Heavy Duty Rotor (score: 1): Author: "Jim Thomson" <jim.thom@telus.net>; Date: Sat, 17 Sep 2011 04:08:01 -0700; Oh yeah, I've seen the insides (and Kurt has lots of pretty pictures on his website) they're pretty standard motors and gear boxes and I'm sure you could get it rewound, refurbished, etc. You could p; /archives//html/Towertalk/2011-09/msg00185.html (11,721 bytes)

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