Re: [TCML] high frequency wave propagation along secondary coils

[mddeming@xxxxxxx]

Hi Dave, All,

The design is definitely worth looking at. It could definitely have an effect on stress. 

You mentioned turning on a lathe. Would this imply starting with a solid tube of PVC (or similar) then cutting an inside and outside curved taper? Or perhaps first turning a wooden spindle to the shape and then casting or building up the coil form over it, then turning the form down.to final shape?

With a difference in radius from top to bottom of maybe several centimeters and a wavelength of 100 to 200 meters, that's on the order of 0.1%. I'm not sure how this much smoothness of a wave is a factor, but careful, quantative experimentation will tell.

Matt D


-----Original Message-----
From: David Thomson <tcbuilder@xxxxxxxxxxxxxxxxxxxxxxxx>
To: Tesla Coil Mailing List <tesla@xxxxxxxxxx>
Sent: Fri, Sep 28, 2012 11:53 pm
Subject: Re: [TCML] high frequency wave propagation along secondary coils


On Fri, Sep 28, 2012 at 1:09 PM, Joe Mastroianni <joe@xxxxxxxxxxxxxx> wrote:

> Wow.  He's going to be in the coil arcs for 72 hours?
>

I didn't pick that up.  The flared cone secondary design I mentioned is
worth looking at.  I am confident it will provide the best endurance factor
of any coil design and should prolong the life of all the other circuit
components by giving a smoother radial wave.

Dave
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