At 03:12 PM 6/25/98 0400, you wrote:
>
Pete it doesn't take trig it's a matter of simple proportions
B/(C+D)=?/C simpler the ratio of the base spread to the total height is
the same as the ratio of the spread at any height to the distance down from
the top.
Bill
>
>If you know how far from the base of your tower your guys attach (on flat
>ground), and you know how high they attach to the tower, then you should be
>able readily to calculate how much turning radius inside the guys would
>exist at any given height on the tower. Obviously, this would be useful
>for assessing a potential stack design.
> I
> /I
> / I
> / I C
> / I
> /I
> / ? I
> / I D
> / I
> /BI
>
>That is, if you know the lengths of B and C+D, then you ought to be able to
>figure out what "?" is for any length of C.
>
>Unfortunately, I've forgotten virtually all the plane geometry and trig
>formulas I ever learned, and I didn't keep any high school math books. I
>think the two triangles involved are called "similar triangles," but that's
>as far as my memory goes. Can anyone tell me offhand what the right
>formula is for this? Once I have the fomula I can do the calculations, but
>what to calculate?
>
>Thanks!
>
>
>
>
>73, Pete Smith N4ZR
>
Bill Aycock  Persimmon Hill
Woodville, Alabama, US 35776
(in the N.E. corner of the State)
W4BSG  Grid EM64vr
baycock@HiWAAY.net

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