[TowerTalk] Tower Guy Anchors
W4EF at ca.rr.com
Sat Nov 9 12:28:57 EST 2013
Both AB Chance-Hubbell and MacLean Power Systems sell them for utility
Except for the W8JI site, I have never seen any mention of them as an
option for ham radio towers.
I noticed that one of the entries in the table you linked to showed a
depth of 73ft! I can't imagine that would be the requirement to get a
good anchor, so perhaps that's how deep they had to go to get into the
soil conditions that are listed.
73, Mike W4EF...........
On 11/9/2013 6:22 AM, Jim Lux wrote:
> On 11/9/13 12:26 AM, Michael Tope wrote:
>> Except for mention on W8JI's website, I haven't seen much mention of
>> "bust open" anchors as an option for amateur tower guying:
>> I'd be curious to know if they would be a good choice for very sandy
> You'd need to talk to the anchor mfr.. That rusty thing on W8JI's site
> is interesting looking, but some casual googling didn't turn up
> anything useful.
> The screw in anchors that are shown on that page are tiny little
> things, compared to some of the ones I've seen.
> Here's a report from A.B. Chance (who make anchors) on "cohesionless
> I'm not sure what the test condition was.. they're applying a
> specified load and reporting the deflection.
> kips = 1000 pounds force.
> so the first line, an 8 inch helix installed 19 feet down, shows
> 45,000 lb force with a deflection of 0.311 inches.. I assume the force
> is axial, but it doesn't say that.
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