Re: Toriod ? Bendaway_Plus, stainless, titanium stabilized

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "" <tesla@xxxxxxxxxxxxxx>

Forgot to mention:

If you can silver plate 'any' material for use as a toroid, then, there you
are!!!  But, the cost of the component does go up a bit.

John Cooper





Quoting Tesla list <tesla@xxxxxxxxxx>:

> Original poster: "David Rieben" <drieben@xxxxxxxxxxxxxxx>
>
> Hi Jim,
>
> I'm sure that some of those products would work fine
> for making a big toroid except for maybe the Flex-Lok
> ET. The Bendaway S looks like it could make an excel-
> lent durable toroid but you'd also have to consider factors
> such as bend radius, weight, and cost with this. You would
> need a minimum of 15 linear feet to make a 54" major diame-
> ter toroid. Remember that if your toroid is 12"x 54", then
> the inner diameter is 30", which would require a bend radius
> of <15". Often the rigid  12" dia. stuff dosen't have a bend
> radius nearly low enough to allow the tubing to be formed into
> a torus that "small". I used a single section of the "Super-Flex-
> ble Extend-and-Compress Aluminum Duct Hose" 12" ID in
> the 30 ft length (part # - 5525K49 on page 193) from Mc-
> Master-Carr on their website (mcmastercarr.com) to make
> my 12" x 56" toroid for my Green Monster coil:
> http://www.teslauniverse.com/members/drieben/
> Scroll down to the last picture at the bottom of the page
> with my son and I standing next to it for a size comparison.
> The "30 ft." length comes compressed to about 4 ft., I believe,
> and is stiffer, heavier, and more dent resistant than the plain
> "Flex-Lok" aluminum duct hose. I also wrapped the finished
> toroid completely in aluminum duct tape to help somewhat
> increase the dent resistance. The toroid is reasonably light
> and had to be designed to easily remove and replace since
> the coil assembly is too tall to go under the overhead door
> entrance to my garage with the toroid in place. I have
> < $150US in this toroid assembly ;^)
>
> David Rieben
>
> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Monday, September 04, 2006 12:39 AM
> Subject: Toriod ? Bendaway_Plus, stainless, titanium stabilized
>
>
> >Original poster: "Jim Mora" <jmora@xxxxxxxxxxx>
> >
> >Hi,
> >
> >Has oneone looked into this product before? It claims resilance and looks
> it
> >to have it in spades. No bends or dent likely on this excepting extended
> >drop tests maybe.
> >
> >It looks to be somewhat smooth too. Coat with alum tape?
> >
> >I'm wanting to build a 54"x12" toriod. Maybe we can get a sample piece? I
> >wonder what the wieght is per foot?
> >
> >Jim Mora
> >
> >The message is ready to be sent with the following file or link
> attachments:
> >
> >Shortcut to: http://www.ducting.com/Bendaway_Plus.html
> >
>
>