Re: Ionic propulsion/ pinwheel toroid

>From: Tesla List <tesla-at-pupman-dot-com>
>To: tesla-at-pupman-dot-com
>Subject: Ionic propulsion/ pinwheel toroid
>Date: Wed, 01 Sep 1999 19:04:30 -0600
>Original Poster: "Nathan Howard" <nhoward-at-pdq-dot-net>
>Hi all,
>     I have finished my first coil and wanted to try some different things 
>it.  Since I am in physics this semester I thought it would be interesting 
>build a pinwheel for the top of my coil to experiment with ionic 
>propulsion.  I
>built an aluminum pinwheel similar to the one in Brent Turner's photo 
>It pivots on an inverted nail-shaped aluminum point.  I don't Know exactly 
>much force the electrons jumping off my pinwheel have(I imagine not a lot) 
>I think the friction of my pivot point might be conteracting their force.  
>any one experimented with their coils in this way?  I could definately use 
>help.  My coil is a prototype, so it is pretty small.  It has a 
>pvc secondary.. it puts out a 11in spark off a point discharge.
>Thanks for your help,

Hi Nathan,
I've had success using a small brass brad with copper wire soldered to
it, balancing on a large sewing needle. You can also use Al foil.
Good Luck,


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