Re: [TCML] "Lifter" power supply questions

[<mrapol@xxxxxxxxxxxx>]

Hello,

I am a bit confused. Is it that horizontal "thrusters" operate on a 
different principle than vertical lifters? I have found accounts of people 
using AC for thrusters.

PBT


----- Original Message ----- 
From: "Antonio Carlos M. de Queiroz" <acmdq@xxxxxxxxxx>
To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
Sent: Friday, January 14, 2011 3:49 PM
Subject: Re: [TCML] "Lifter" power supply questions


> On 16:59, mrapol@xxxxxxxxxxxx wrote:
> > Hello,
> >
> > I am working on a high voltage "lifter," and I have some questions about 
> > powering it. I checked the list archives and found some info, but nothing 
> > that addresses my particular questions. Any clarification would be 
> > appreciated.
> You need about 20 kV DC at 1 mA for a "lifter" weighting 2 grams. This can 
> easily be obtained from a flyback transformer taken from a CRT monitor. I 
> have something here:
>
> http://www.coe.ufrj.br/~acmq/flyback
>
> AC sources don't work. You can possibly rectify the output of a 15 kV NST 
> and obtain something usable. Add a series resistor (several Mohm) to limit 
> current if a spark occurs. Usual electrostatic machines don´t produce 
> enough current. You would need something as a multiple Wimshurst machine 
> with 10 0.5 m disk pairs to reach 1 mA.
>
> Antonio Carlos M. de Queiroz
>
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