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References: [ +subject:/^(?:^\s*(re|sv|fwd|fw)[\[\]\d]*[:>-]+\s*)*\[CQ\-Contest\]\s+Aluminum\s+fatigue\s+cracks\s+and\s+scratches\s+\-\s+treatment\?\s*$/: 4 ]

Total 4 documents matching your query.

1. [CQ-Contest] Aluminum fatigue cracks and scratches - treatment? (score: 1)
Author: "Kristinn Andersen" <andersen@simnet.is>
Date: Thu, 5 Aug 2004 19:32:25 -0000
Hi: I just noticed a mild scratch close to the base of my vertical aluminum pole that serves as a vertical antenna and support for an inverted-V. This has developed during the last year as a result o
/archives//html/CQ-Contest/2004-08/msg00028.html (8,611 bytes)

2. Re: [CQ-Contest] Aluminum fatigue cracks and scratches - treatment? (score: 1)
Author: K3BU@aol.com
Date: Thu, 5 Aug 2004 21:00:49 EDT
Sanding down the crack sure makes it disappear, but at the same time I would be thinning the wall of the tube a little in this place. Any comments? Depends what kind of crack it is. If it is from the
/archives//html/CQ-Contest/2004-08/msg00031.html (8,299 bytes)

3. RE: [CQ-Contest] Aluminum fatigue cracks and scratches - treatment? (score: 1)
Author: Eric Scace K3NA <eric@k3na.org>
Date: Thu, 05 Aug 2004 22:01:46 -0400
Cracks due to resonances and vibration-induced fatigue can be halted. Drill a small hole at the end of the crack (the end which is propagating into the heart of the tubing) clear through the wall of
/archives//html/CQ-Contest/2004-08/msg00032.html (10,022 bytes)

4. Re: [CQ-Contest] Aluminum fatigue cracks and scratches - treatment? (score: 1)
Author: Bill Coleman <aa4lr@arrl.net>
Date: Mon, 16 Aug 2004 22:15:26 -0400
On Aug 5, 2004, at 10:01 PM, Eric Scace K3NA wrote: Cracks due to resonances and vibration-induced fatigue can be halted. Drill a small hole at the end of the crack (the end which is propagating into
/archives//html/CQ-Contest/2004-08/msg00110.html (8,583 bytes)


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