I have never seen one however a bust open type anchor is mentioned on W8JI's
site:
https://www.w8ji.com/screw_in_guy_anchors.htm
John KK9A
> On 11/17/2022 18:33, Hans Hammarquist via TowerTalk wrote:
> I used the same type as the utility companies. They are a lot cheaper
> if you buy them from a utility supply house. Anyhow I put them in with
> the hep of a sledgehammer and a break-iron. We were two to do it. You
> turn the helix anchor as far as you can. then you hit it a few times
> with the sledgehammer and continue turning. The idea is that the
> screw-anchor should be set in "undisturbed soil" to get maximum strength.
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