[TowerTalk] Fwd: Cad welding vs clamps

[Patrick Greenlee]

That is  ForTran, not FORTRAN.  Formula Translator  ;)  ;)

Patrick NJ5G

-----Original Message----- 
From: Kimberly Elmore
Sent: Friday, October 24, 2014 8:26 AM
To: Jim Lux ; towertalk at contesting.com
Subject: Re: [TowerTalk] Fwd: Cad welding vs clamps

I'll take FORTRAN.

Kim N5OP


On Friday, October 24, 2014 8:14 AM, Jim Lux <jimlux at earthlink.net> wrote:



On 10/24/14, 3:56 AM, john at kk9a.com wrote:
> That depends on your soil conditions.  Some of us have shale, rock and/or
> hard clay making it impossible to push in a full 8' ground rod.
>
>
> From:    Hans Hammarquist via TowerTalk <towertalk at contesting.com>
>
> What would work if you bury it deep enough. I would believe 8 feet of 
> strap
> buried 4 feet down should be equal to an 8 foot rod pushed down 8 feet.
>
>
> I do think it is less work to push the rod down than to dig a trench for 
> the
> strap.
>
>
> -----Original Message-----
> From: Drax Felton <draxfelton at gmail.com>
>
>
> What if one were not to use a ground rod and just bury the strap?
>
>

The code allows you to drive the rod at an angle.

>From an electrical standpoint, you don't need to bury the strap 8 feet
down.

IEEE 142-1999 Table 13 has formulas for all kinds of configurations of
rods, wires, straps and the like.  there's a new version from 2007 out.
If I get ambitious, I'll put some of the equations online, but they're
long series expansions, so a bit tedious.

Anybody have a preference.. as matlab/octave/fortran/c equations or as
Excel Spreadsheet formulas?




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