On 13 Oct 98, John Langdon <jlangdon@outer.net> wrote:
>
> The answer is: "it all depends". Without actually calculating the tension in
> the guys and the loads on the anchors, there is no way to specify the
> materials you will need. The loads are complex. N>
> I am an electrical engineer, not a registered professional civil engineer.
> That is who you need. Your question is equivalent to: "What resistor should I
> use in my transceiver". There is no general a>
> If you do not actually calculate your requirements, you would have to do
> massive "overkill" to be safe. Use 50# per foot I beam in a pad 7' deep, 7'
> wide, and 7' long, with lots of rebar.
>
> Whoa!. Too much! Absolutely it is too much! That's what the calculations
> do - tell you what is a reasonable specification to achieve your goals for
> the minimum amount of materials and labor. That>
> I understand the urge to get out there and start digging, but this is a time
> for a little more contemplation. Decide in haste, repent at leisure.
>
> 73 John N5CQ
>
But I know a guy who used water pipe instead of I beams, and his
installation was even struck by Noah's Ark and it's still standing.
Calculations? You must be kidding. Anecdotes cost a lot less than a PE!
--
Barry Kutner, W2UP Internet: w2up@mindspring.com
Newtown, PA Frankford Radio Club
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