Re: Making toroids

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

Hi, you almost found the place to get info on how John Freau makes his
toroids. He has a whole series of VHS tapes on how he builds Tesla stuff.,i
have one showing the making of a toroid. send John Freau an e-mail and ask
him which tapes show toroids being made. He doesnt charge much for them! cul
brian f.


----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Saturday, January 05, 2002 10:22 AM
Subject: RE: Making toroids


> Original poster: "Andy Cleary by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<cleara-at-twcny.rr-dot-com>
>
> Hi there!  I too am in your situation (big machine shop = make good
> toroid!), and what I've been working on is metal spinning.  I've
> actually spent the last 3 semesters of school for 3 hours a week every
> week trying to build the appropriate apparatus to perform metal
> spinning on a standard metal lathe.  Actually, all you need is a piece
> to put in the tailstock of the lathe that will spin and press a sheet
> of metal against a spinning wooden chuck (half torus, or half sphere,
> etc.) at it's pinnacle, allowing you to then "pry" the metal sheet
> down from that pinnacle upon the chuck using a specially fitted post
> on the lathe.  It kind of sounds complicated (due to my poor
> description), but it really isn't.  The bulk of my time down there has
> been turning down a piece of steel to correctly fit into the
> tailstock, turning steel is slow going, especially when going about
> 1/2" depth!  Besides that, it seems pretty easy.  I figure one or two
> more sessions, and I'll be all finished!  To assist anyone interested
> in metal spinning, I scanned a few pages of a really good metal
> spinning book onto my website along with a few good links, the url
> being http://www.rpi.edu/~cleara/infoarea/spinning/spinning.htm .  I
> believe there are also some books on metal spinning available at
> Lindsay's Technical Books, www.lindsaybks-dot-com .
> And let me say, when those toroids are spun, they are the most
> beautiful toploads I've ever personally seen.  After first seeing John
> Freau's spun toroids, I was amazed!  I'm not counting on it, but I'd
> like to get 'em like that some day. Check out
> http://hometown.aol-dot-com/futuret/page1.html for a nice finished
> product.  Good luck, I hope I've been of assistance!
>
> -Andy C.
>
> -----Original Message-----
> From: Tesla list [mailto:tesla-at-pupman-dot-com]
> Sent: Friday, January 04, 2002 8:04 PM
> To: tesla-at-pupman-dot-com
> Subject: Making toroids
>
>
> Original poster: "tmoore by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <tmoore-at-erie-dot-net>
>
>    Hi everyone I have been trying to make a toroid made out of
> aluminum or
> some thing similar. I have access to my schools wood and metal shops,
> so
> what I planed on doing is to take a block of wood and spin it down on
> the
> wood lathe in to a toroid shape.  After I was finished doing that I
> was
> going to make a mold and cast it in the foundry.  That should work out
> pretty well, but the thing is that it might be heavy and the surface
> might
> not be perfect so I will have to buff it up a ton.  Some of the
> machines I
> have access to are some milling machines, 1/2 a dozen metal and 1 wood
> lathe,  a mig and a arc welder, a band saw, a planer, a jointer, a
> table
> saw, a power miter box and a foundry as well as a few others.  So if
> any of
> you have tips and suggestions on how I could go about fabricating a
> good
> toroid I am all ears.  Thank you very much.
>
>
> Sincerely,
> Nolan Moore
>
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