- 1. 4130 masts (score: 1)
- Author: bob@the-professor.carson-city.nv.us (robert j. walsh)
- Date: Wed, 08 Jan 1997 22:09:25 -0800
- Has anyone had a failure with 2" x .25" 4130 chrome moly. If so, what did you have on your mast and what were the weather condz at the time of failure. I would also like to hear from those who are us
- /archives//html/Towertalk/1997-01/msg00212.html (7,835 bytes)
- 2. 4130 masts (score: 1)
- Author: broz@csn.net (John Brosnahan)
- Date: Thu, 09 Jan 1997 06:44:52 -0600
- A Too early (6:00 a.m.) to get into the deep math but thicker wall is ALWAYS stronger and larger diameter is ALWAYS stronger. Any decrease in strength MUST be due to a change in the material itself i
- /archives//html/Towertalk/1997-01/msg00213.html (9,456 bytes)
- 3. 4130 masts (score: 1)
- Author: K7LXC@aol.com (K7LXC@aol.com)
- Date: Thu, 9 Jan 1997 10:06:38 -0500 (EST)
- Failures on a 4130? I've never heard of one. My mast is a 2" with 0.50" wall of a pedigree between 4130 and 1026 (I think it's about 80-90,000 psi tensile strength) and I've got over 100 feet of boom
- /archives//html/Towertalk/1997-01/msg00216.html (8,298 bytes)
- 4. 4130 masts (score: 1)
- Author: n4xy@avana.net (Ed Tanton)
- Date: Thu, 09 Jan 1997 13:22:04 -0500
- I shudder to think what it would take to 'do in' a chrome-moly 0.25" mast... and think the tower it was on would go first!!! 72/73 Ed Tanton N4XY EMAIL: n4xy@avana.net TEL: (770)579-3933 V/MBX/FAX 18
- /archives//html/Towertalk/1997-01/msg00225.html (7,173 bytes)
- 5. 4130 masts (score: 1)
- Author: w7ni@teleport.com (Stan Griffiths)
- Date: Mon, 13 Jan 1997 23:44:23 -0800 (PST)
- Hi Bob, As I understand it, and I am not a metalurgist or a mechanical engineer (however I consulted some when I wrote the article), what you call the "PSI rating" I called the Yield Strength of the
- /archives//html/Towertalk/1997-01/msg00303.html (12,795 bytes)
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