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References: [ +from:sawyers@cacd.rockwell.com: 18 ]

Total 18 documents matching your query.

1. No subject (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Thu, 17 Apr 97 11:08:55 cst; My apologies to the net if this posting is not quite on subject. The Collins Amateur Radio Club (the company radio club for Rockwell Collins Inc.) has obtained Art Collins' callsign (W0CXX) through t; /archives//html/Towertalk/1997-04/msg00520.html (8,836 bytes)
2. Guy supports (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 15 Oct 96 08:46:35 cst; Well -- that all depends on a lot of things. Like wind district, guy spacing, tower loadings (antenna's and where on tower), ice loading, soil conditions, and a few others that I have not thought of; /archives//html/Towertalk/1996-10/msg00171.html (9,959 bytes)
3. Mechanical Units in Rohn specs (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 03 Sep 96 15:23:13 cst; That's the way I read them. de n0yvy steve I am having a little trouble understanding the units used in Rohn's 25G mechanical specs. For moment capacity, M, they call out FT.-KIPS, and for yield stre; /archives//html/Towertalk/1996-09/msg00031.html (7,145 bytes)
4. Re[2]: TENSIONING Phillystran (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 03 Sep 96 15:29:41 cst; Well that may be their answere now that they are in the dead-end grip business...BUT I am sure you remember that 4 years ago they had a BIG revelation and you could use the appropriete wire rope cabl; /archives//html/Towertalk/1996-09/msg00032.html (6,920 bytes)
5. Fw: re: roof mounting help (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Mon, 16 Sep 96 08:46:49 cst; Structurally, going to the floor of the attic has some advantages. Two problems I see are sealing the roof, and lightning grounding. Would be curious how you solve these or anyone elses thoughts. de; /archives//html/Towertalk/1996-09/msg00119.html (9,252 bytes)
6. Cement curing time.... (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Wed, 25 Sep 96 12:16:32 cst; You can probably slice the sonotube off after 24 hours. 48 would be safer. but be very gentle with the pry bars. The concrete will develop about 80% strength in a week and close to %100 in 28 days un; /archives//html/Towertalk/1996-09/msg00203.html (8,346 bytes)
7. False Flags? (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Wed, 14 Aug 96 08:54:25 cst; Haven't heard of it happening before, but it was discussed with local officials when we did our tower ordinance thing a few years ago. We specifically had to word it so that amateur radio was conside; /archives//html/Towertalk/1996-08/msg00150.html (7,990 bytes)
8. Towers and ice. (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 20 Aug 96 10:53:22 cst; Ice adds wind area and weight to a tower. Towers with smaller members are more affected than towers with larger members from a percentage stand point. Ice is generally not good for the health of any; /archives//html/Towertalk/1996-08/msg00186.html (8,908 bytes)
9. Crank-Up Guys (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 20 Aug 96 08:50:16 cst; Believe me, I am no expert at this, but I will pass on some stuff I was playing with and thinking about. I have been doing a bunch of modeling of a 114' tower with 127 to 132' active top guy wires fo; /archives//html/Towertalk/1996-08/msg00187.html (8,597 bytes)
10. Re[2]: Wire Rope and Grips (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 27 Aug 96 08:04:23 cst; Actually mine is Sawyers - my grandmother would roll over in her grave if I ever dropped the ending "s". But we are probably related some where back up the line. de n0yvy steve; /archives//html/Towertalk/1996-08/msg00250.html (7,000 bytes)
11. Re[2]: Guy Anchors on a flat concrete roof (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 27 Aug 96 08:30:40 cst; I am a mechanical engineer and I second the idea of making a plate to set the angle. Steve First, I'm not a Mechanical engineer, so this is a personal opinion on the dynamics of what you are proposin; /archives//html/Towertalk/1996-08/msg00251.html (8,766 bytes)
12. Effective area for tower section. (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Tue, 27 Aug 96 09:48:35 cst; Here good question and my answer to it with regard to the Central States VHF/UHF Conference paper I have mentioned here previously. Hope this forum finds it interesting. de n0yvy steve I just followe; /archives//html/Towertalk/1996-08/msg00252.html (10,664 bytes)
13. Rohn shackles/T-Bars (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Thu, 06 Jun 96 07:47:27 cst; You MAY - and I repeat MAY - be seeing a difference in the "rated strength" methods of two different industries. 1/4" EHS is rated at its minimum ultimate breaking strength i.e. 6700 #. It is known i; /archives//html/Towertalk/1996-06/msg00029.html (8,854 bytes)
14. Re[2]: Crank up (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Thu, 06 Jun 96 07:52:19 cst; Unless properly tied back and DOWN the engine crane will tend to follow the truck and will definitely tend to want to tip onto it's nose. Been there, done that, didn't work well, but didn't get hurt; /archives//html/Towertalk/1996-06/msg00030.html (7,446 bytes)
15. Concrete (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Thu, 06 Jun 96 08:11:19 cst; One problem you may have is that the ready mix company may not deliver a small batch (around here anything under 2 cu.yds is a small batch) without an exorbidant surcharge. I agree that the snorkle i; /archives//html/Towertalk/1996-06/msg00031.html (8,401 bytes)
16. 3 versus 4 guys (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Fri, 07 Jun 96 10:19:27 cst; Four guys over three guys are a legitimate choice. As you noted it does save real estate. However it will put more worst case down load on the tower, so it is a trade off. The other thing is the guys; /archives//html/Towertalk/1996-06/msg00041.html (7,900 bytes)
17. Big, heavy mast (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Wed, 19 Jun 96 13:36:54 cst; (begin freebie plug) I have just finished a paper about mast loading and mast strength for the Central States VHF/UHF meeting in Minneapolis around the end of July. I won't be able to present it due; /archives//html/Towertalk/1996-06/msg00146.html (11,157 bytes)
18. Re[4]: Big, heavy mast (score: 1): Author: sawyers@cacd.rockwell.com (sawyers); Date: Fri, 21 Jun 96 08:00:44 cst; A direct hit by a tornado is one of those "Acts of God" that you can't engineer against, like having a plane fly into your tower. We had a local occurence where a plane hit a guy wire on 700' tower.; /archives//html/Towertalk/1996-06/msg00164.html (8,620 bytes)

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