Kurt, (et al)
Thanks- Actually, a part of the Info I got today ( a real education) was
from Roger Cox, of Telex. He quoted to me a peice he had sent to TowerTalk,
on 29 May, this year. In essence, it was a copy of the pertinent paragraphs
of the spec. That where I spotted the difference. I had missed his posting
the first time (probably because I did not have a need, then)
In my career as a Rocket research Engineer , we usually maintained at least
three sets of ways to do things like this. One was those private- first
approximations that let you sound smart without doing all the hard work of
a provable case. The second was the formal "specification" way of
calculating things- if you followed this way- NO ONE could prove you wrong.
The third was the "real" analysis, that let you find out what was really
happening. The masters of the third way could write their own ticket. They
were the ones that were hidden in the back room with lots of technical toys
to keep them happy.
Where insurance adjustors and building permits are concerned, only the
second way counts. The first way is what you do when you dream about
"what-if" when you see an ad for a tower just a little more than you
thought you could afford. There is not as much need for the third type,
except, (as you, yourself are the perfect example) for those few who WANT
to know how things really are. The participants in this list who know what
FEA is, are few, those that can touch it are fewer (one?).
Thanks for your regular, excellant, input and expansion of our knowledge.
Bill
Bill Aycock W4BSG
Jackson County, AL
EM64vr
W4BSG is "vanity" this time, but was
earned by exam in 1954, the first time.
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