RE: The Egg Works - Well, Almost

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Cameron B. Prince" <cplists@xxxxxxxxxx>

Hi Scott,

As for the winding, I just wound around the core from the start of a section
to the end and then came back to the start. I wondered about this but
concluded that the direction of the winding going through the core was the
critical factor.

What do you think about this?

Thanks,
Cameron

> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Thursday, October 05, 2006 1:09 PM
> To: tesla@xxxxxxxxxx
> Subject: Re: The Egg Works - Well, Almost
>
> Original poster: "huil888" <huil888@xxxxxxxxxxxx>
>
> Cameron -
>
> When you add a "second layer" to each of the windings on the core,
> how will the second layer be physically configured? The far end of
> the first layer brought straight back to the beginning of the first
> layer, then the second layer wound over the first in the same winding
> direction? Or something else?
> Also,  when I saw the eBay listing I was pretty sure that your "solid
> brass egg" would not end up to be "solid", as 99% of the inexpensive
> brass decorative and novelty items are castings from India, and are
> hollow to save material. You may have to drill a small hole in one
> end and fill the thing with tin (lead-free plumber's solder) to get
> the weight distribution right so it will stand up and stabilize. With
> the hollow casting, you don't know how uniform the wall thickness is.
>
> It might be interesting to see if the egg will stabilize when spun up
> mechanically. Set one end of the egg in the inner race of a
> de-greased ball-bearing, and chuck a small suction cup, short piece
> of 1" dia rubber hose, or something similar into an electric drill
> and use it to spin up the egg and see if its balanced well enough to
> spin on its long axis at 1200 or 1500 RPM. If not, then some sort of
> filler will probably be needed.
>
> Regards,
>
> Scott Hanson
>
>
>
> ----- Original Message ----- From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Wednesday, October 04, 2006 10:52 AM
> Subject: The Egg Works - Well, Almost
>
>
> >Original poster: "Cameron B. Prince" <cplists@xxxxxxxxxx>
> >
> >Hey guys,
> >
> >I was able to power up the egg last night and after figuring out I had
> one
> >pair of coils out of phase, I got it working. The egg spins up as you can
> >see here:
> >
> >http://www.teslauniverse.com/images/egg_of_columbus/MOV00628.MPG
> >
> >Notice the egg spins, but never stands all the way upright. I am not
> certain
> >whether this is due to lack of field strength or if it's caused by the
> >hollow egg's poor center of gravity. I am going to wind another layer of
> >12AWG on each coil and see if it improves. I'm looking for another egg
> too.
> (snip)