Take a look around, and see what the local telco and electric company use. In
I've always used the same screw anchors the telco uses.
73, Mike NF4L
On 10/31/2011 11:02 AM, Bill Gillenwater wrote:
> So, what is the best anchor for sandy soil, like in central Florida?
> 73 Bill K3SV
> ----- Original Message -----
> From: "Jim Lux"<email@example.com>
> Sent: Sunday, October 30, 2011 2:51 PM
> Subject: Re: [TowerTalk] PIPE ANCHORS
>> On 10/30/11 10:39 AM, Grant Saviers wrote:
>>> A couple more comments, some not covered before: (all comments w/o
>>> engineering calcs - YMMV)
>>> 1. Square tube is stiffer/stronger than round pipe or wide flange beams
>>> (I-beams) of same #/ft..
>> Hmm. I'm not sure this is true. Bending strength goes as the radius to
>> the 4th power, and for a given perimeter, a circle has the section
>> moment. (sort of like a circle has the most included area for a given
>> Cross sections with right angles are easier to use in construction,
>> especially for bolted connections, and a I beam typically has more metal
>> farther from the center than a square tube (which is why they use that
>> However, in "practical sizes commonly sold" it might be true that
>> squares are stronger than circles.
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