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#1
August 24th 08, 02:53 AM
posted to rec.radio.amateur.antenna
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How do you get a ground rod to 6 feet ?
That caliche must be something else. I've never heard of it. But I must question either your selection of ground rod, or method of insertion. I've sunk a number of ground rods in semi-rock.... sometimes penetrating granite too. We used 5/8" copper clad steel, or sometimes 3/4" copper clad steel rods. We also used rotary impact hammers to drive the rods down.... often right through a rock or whatever. Worked almost all the time, and did not "mushroom" the top of the rod. If a 3/4" pointed solid steel rod can not be driven through Caliche with an impact hammer I can't imagine any other tool short of dynamite doing the job. Ed K7AAT |
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#2
August 25th 08, 12:22 AM
posted to rec.radio.amateur.antenna
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How do you get a ground rod to 6 feet ?
Ed,
"Ed" wrote in message . 192.196... We used 5/8" copper clad steel, or sometimes 3/4" copper clad steel rods. We also used rotary impact hammers to drive the rods down.... often right through a rock or whatever. Hammer-only mode? Or "rotate & hammer" mode? ---Joel |
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#3
August 25th 08, 02:55 AM
posted to rec.radio.amateur.antenna
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How do you get a ground rod to 6 feet ?
We used 5/8" copper clad steel, or sometimes 3/4" copper clad steel rods. We also used rotary impact hammers to drive the rods down.... often right through a rock or whatever. Hammer-only mode? Or "rotate & hammer" mode? ---Joel Hope I did not confuse ! I used a rotary impact hammer in all my years of ground rod driving, but only used impact mode..... the rotary mode would only turn the hammer head, not the rod . .. anyway. Most of the time I had a sized Bosch tool, not some cheap import. --- Ed K7AAT |
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