[TowerTalk] Re: Gin pole loading

[Kurt Andress]

Bill Aycock wrote:

> Kurt- because you are a professional stress man, I hate to tell you this,
> but the use of a pulley system DOES reduce the load on the top.
>
> Consider the static case of a 400 lb weight hanghing on a three-to- one
> block and tackle- balance this with a 133 lb weight on the single down leg
> - the total weight is 533 lbs, but the system balances.
>
> Lokk another way- the tension on the rope is 133 lbs EVERYWHERE.  the total
> of the three in the tackle is 400 lb- the single down line is 133 lb- the
> system is in balance.  with 533 lb pulling down on the upper point of
> attachment of the set-up.

I apologize for entering into this discussion.
I have  my own opinions on the subject!
They are my own and I'm happy to live with them!

I obviously do not understand the problem!

The subject is clearly undefined and all should ignore my misguided comments.


--
73, Kurt

K7NV "That's K7 "Nevada" (ex - NI6W)

YagiStress - The Ultimate Software for Yagi Mechanical Design
Visit http://www.freeyellow.com/members3/yagistress/



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