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Re: Bert Pool's big coil


From: 	Bert Pool[SMTP:bertpool-at-flash-dot-net]
Sent: 	Wednesday, July 30, 1997 1:00 AM
To: 	Tesla List
Subject: 	Re: Bert Pool's big coil 

> From: 	Greg Leyh[SMTP:lod-at-pacbell-dot-net]
> Sent: 	Tuesday, July 29, 1997 12:48 PM
> To: 	Tesla List
> Subject: 	Re: Bert Pool's big coil 
> 
> Bert Pool wrote:
> 
> 
> > > > We already have the coil form for a 28.5 inch diameter secondary.  We
> > > > have 70 pounds of the 200+ pounds of 10 gauge enamel wire with which
> > > > we will wind it.  We'll start with the 8 foot toroid and go from there.
> > >
> > > Thumbs up!  You're not going to operate _that_ in your front yard, are you?
> > > BTW, what is the proposed winding length on the 28.5" secondary?
> > 
> > As a matter of fact, we probably will run it out in front.  We've
> > taken a tape measure and if we set up where my driveway meets
> > the street, and supposing that we could produce 32 foot sparks (quite
> > a stretch, I admit), then we'd hit both the front of the garage and a
> > metal light pole across the street simultaneously.  That would be
> > awesome, indeed.
> 
> 
> Gonzo!  How are your neighbors about all of this?  Are they into it?
> Hitting that metal light pole may make the utility company sad, however...
> 

They're supposed to ground the things - think of me as quality 
testing light standards to see whether the taxpayer's money was spent 
well.

> You may need to start worrying about the noise hazard from the output streamers,
> as the noise pressure seems to increase with the square of the arc length.
> 
> 
> > The length of the 28.5 inch coil will be three times its diameter, or
> > 85.5 inches in length.
> 
> You'll definitely need to put that one on a pedestal to get max arc length!
> Welcome to the joyous world of 'forklift coiling'.
> 
>  GL


We can barely stand the empty coil form upright now, and that's 
before the wire is on it.  We will definately need some kind of lift 
just to move it.  And getting the coil up three or four feet is 
will be even more fun.   


 
Bert Pool
TCBFW
bertpool-at-flash-dot-net