Date: Tue Oct 13 13:28:58 2009

Author: bennett bennett

Subject: Re: Fun Fly stick reengineering

Post:

Can you coat the aluminum with nylon?
And is there a comb at the base end, or was the alumnum roller the
direct ground?



On 10/13/09, Irons, Stephen wrote:
> Hello all,
>
> I bought two Fun Fly sticks a little while ago
> (http://www.teachersource.com/ElectricityAndMagnetism/Electricity/FunFlyStick.aspx?gclid=CLXZj_a9up0CFZho5QodJmXIjw
> )
>
> and have wanted to reengineer one so that it puts the opposite charge
> on the wand. So I finally got around to it this week. When I opened
> one up I found a mini VdG generator, with a teflon roller at the motor
> end and an aluminum roller at the wand end with a black rubber belt
> connecting the two. I had the shop adjust them so I could reverse them
> (teflon at the wand end and aluminum at the motor end). However when I
> turned it on, pretty much nothing happened. I got no charge buildup at
> all on the wand end. Is there something else I need to be doing?
>
> It looks like charge is being extracted from your body (an approximate
> ground) and transferred to the wand end so it didn't seem like I would
> need to rewire it.
>
> Any thoughts?
>
> Many thanks.
>
> -Stephen.
>
>
> **********************************
> Stephen Irons
> Yale University
> Director, Instructional Laboratories Department of
> Physics
> tel: 203-432-3664 P.O.
> Box 208120
> fax: 203-432-6175 New
> Haven, CT 06520-8120
>
> COURIER DELIVERIES PLEASE USE
> Yale University
> Department of Physics
> 217 Prospect Street
> New Haven, CT 06520
>
>
>


--
Clarence Bennett
Oakland University
Dept. of Physics, (retired)
111 Hannah
Rochester MI 48309
248 370 3418

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