Gentlemen I thank you very much for your response.
Now that you have shown that my thinking was correct I can move forward
with some more advanced thinking for an actual design.
The machine I am building has a 10 kva power supply and with the indication
from more reading on the subject it appears that the top load can be even
larger than current machines with similar power.
That would indicate a top load of six feet or more in outside diameter.
Storing and transporting something that large and fragile would be a
problem.
I am trying to come up with a way to make it in segments that are robust
enough to be assembled and disassembled and stored with little damage.
Teddy
On Fri, Aug 3, 2018 at 11:11 AM, Gary Gaspar <majrombus@xxxxxxxxxxxxx>
wrote:
> Sounds good to me Tedd Dillard as long as the 3 things are good. I have
> seen open designs of tubing that look cool and work also. I use a terminal
> from a van d graph
>
> On Friday, August 3, 2018 6:47 AM, Tedd Dillard <
> tedd.dillard@xxxxxxxxx> wrote:
>
>
> Gentlemen,
> I am in the process of constructing a Tesla Coil with a 10 kva transformer.
> I am a long way from complete and still in the design phase for most
> components.
> From what I have read the top load needs to be fairly large for a machine
> the size I am working on.
> I have read many post on the construction of the top load and see many
> different ways to construct a serviceable device.
> But one thing that has not really been discussed but sometimes referred to
> is the shape.
> Most of the designs are attempts at making a toroid.
> From what I understand the top load needs to do three things.
> 1. Provide the capacitive load to the air.
> 2. Prevent breakout.
> 3. Prevent strikes to the secondary coil.
> I can see where a complete toroid can do all three but it seems to me that
> the inside of the toroid is unnecessary.
> My question is will a shape like a jelly donut work just as well?
> A toroid but with the hole covered with a flat surface at the top and
> bottom.
> The only curved surfaces are on the outside.
> I can see that the difference is surface area affects the calculated
> capacitence but that could be considered in the design.
> The flat surface of the top and bottom areas would resist breakout just as
> well as a pure toroid.
> I raise the question because I can see the construction of a large top load
> could be simplified and possibly even be constructed in segments for
> storage and transportation.
> I would appreciate any comments please.
> Teddy
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