KI7WX@aol.com wrote:
>
> Here's one for the computer model nuts (freaks....kooks....loonies???) to
> play with:
>
There are plenty of us out here! Thank you for the compliments!
> Triple stack of C3E at 90/63/36 feet versus two stack of C31XR at 92/55.
>
> Both of those arrays are within reach of your "average guy" with room for a
> single tower. Heights are based on separation of 27 feet for the C3s and 37
> feet for the C31XRs and take into account likely guy wire placements on a
> Rohn 25/45 type tower. Using F12s numbers the C3E stack will be about 17
> square feet of load and the C31XR stack about 22 sq feet.
>
Remember to correct those figures to make them useful for evaluating
tower loads.
The 3 x C3 stack is 25.2 SqFt.
The 2 x C31XR stack is 32.1 SqFt
If you are using EIA-222 or UBC for a guyed tower.......
Just a reminder, which I promised several, I would do, the last time the
subject came up and got ignored.
> I can think of pluses and minuses to each array. Curious what others might
> come up with.
>
> Cheers,
>
Me too!
Happy Holidays!
--
73, Kurt, K7NV
YagiStress - The Ultimate Software for Yagi Mechanical Design
Visit http://www.freeyellow.com/members3/yagistress/
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