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Re: The worlds Largest Coil

Hi Chris,

At 04:52 PM 03/06/2000 +0000, you wrote:
>
>We went out to the new facility yesterday, talked to some people, and >looked 
>around. This is what we know.
>
>The towers are very nearly 85' tall.
>They sit 40' apart.
>They are about 15' in diameter.
>They are on top of a 9 or 10 story building.
>
>Questions.
>
>1. Is Electrum the largest coil in the world? Or is Wysock's 13M bigger?

I won't touch that one ;-)))

>
>2. Can a 100' tall coil be built?

Yes,  it only takes time, money, knowledge in unlimited quantity ;-))

>
>3. What would the ballpark costs of something of this magnitude be?

That takes on site inspection by an expert in such things.  Be very careful
of hidden costs.  Hate to put time and cash into this just to find some big
show stopper latter on.  If you want to use the existing generators, there
are a million things that have to be checked before re-powering the plant.
If you want to connect to the external power grid, the utility company will
ream you depending on the condition of the existing switching equipment.  I
have no idea how they will react to the use you are planning, but try to
get it on video tape ;-)))

>
>4. What is the best H/D ratio for coils at these sizes? Is it still 4:1?
>

Make the height and width bigger than anyone else's coil.  The bragging
rights are probably more important than any electrical concerns, within limits.

>Proposed design ideas.
>
>Remove one (or both) of the existing stacks and use the heavy foundation to 
>mount the coil on. This gives us 10 stories above ground to start with.

I would be absolutely sure before tearing the stacks down that they can't
be used.  That is not a trivial task...

>
>The coil is to be the largest of it's type in the world with a minimum 
>margin of 10% to the existing record holder.
>
>The coil is to be of permanant construction and design. With a duty cycle of 
>at least 1 5min run every 24 hours at midnight.
>
>The coil is to be impervious to the effects of rain, snow, and 50MPH wind 
>gusts. (Can guy lines be used?)

Generally no,  There are low field stress lines you may be able to follow
down to the ground but that is risky.

>
>The coil is to have a discharge point in order to prevent damage to the 
>building beneath it and strikes to the HV power lines (138KV)in the 
>substation next to it while still makeing thew longest possible arcs. Ideas?

Is the substation still in use???  They may have line carrier equipment
that would be interfered with by the coil.  Also, the operating frequency
of the monster would be very low so the output arcs would kill anything
they struck...  Realize that if an arc does connect to those lines that
they will fry your coil.  They are probably 600 amp 138kV "nominal"  They
will switch out at 1000 amps in a few milliseconds but will blow your coil
to bits in that time.  God only knows how much current they would pump into
your coil (short) before the line switches out.  Of course, the power
company will insure that is your last run anyway.  They have no humor about
such things...

>
>
>This is a pipe dream with a real possibility of becoming a reality, but we 
>need a LOT of help to do it. Let's make this a reality :)
>

I hope you get the help you need ;-)))

Cheers,

	Terry


>
>Have fun:)
>
>Chris B.
>The Geek Group
>www.geekgroup-dot-org
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