- 1. [TowerTalk] rope strength (score: 1)
- Author: Grant Saviers <grants2@pacbell.net>
- Date: Mon, 2 Dec 2019 04:40:23 +0000
- I looked at your 2x4's with pulleys jpgs. If rope strength is a concern, then consider that going around a sheave (pulley) significantly compromises strength in two ways. I thought a comment would be
- /archives//html/Towertalk/2019-12/msg00006.html (9,827 bytes)
- 2. Re: [TowerTalk] rope strength (score: 1)
- Author: Gedas <w8bya@mchsi.com>
- Date: Mon, 2 Dec 2019 10:02:32 -0500
- Hi Grant and tnx for the additional input & considerations. You are absolutely right and that would be a much better approach to what I have here. But based on the 20 years I have been using a simila
- /archives//html/Towertalk/2019-12/msg00007.html (12,600 bytes)
- 3. Re: [TowerTalk] rope strength (score: 1)
- Author: K9MA <k9ma@sdellington.us>
- Date: Mon, 2 Dec 2019 10:54:39 -0600
- The second problem is there is a lot of friction in the pulleys. I've seen tests for hardware store ones where the output tension is only half of the input tension. I can confirm that. When I put up
- /archives//html/Towertalk/2019-12/msg00008.html (7,585 bytes)
- 4. Re: [TowerTalk] rope strength (score: 1)
- Author: Wayne Kline <w3ea@hotmail.com>
- Date: Mon, 2 Dec 2019 17:52:52 +0000
- Cant speak for every gin pole pully the Rohn 25/45/55 pully is a 2 aluminum rolling on a through rod in its aluminum cast housing. I also use a IIX gin pole. I use it for 55/65(10 ft sections) and AB
- /archives//html/Towertalk/2019-12/msg00009.html (8,905 bytes)
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