Re: Lifter with lights (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Wed, 21 Apr 2004 08:56:21 +1200
From: Malcolm Watts <m.j.watts@xxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: Lifter with lights (fwd)

On 20 Apr 2004, at 9:44, High Voltage list wrote:

> Original poster: Steven Roys <sroys@xxxxxxxx>
>
>
>
> ---------- Forwarded message ----------
> Date: Mon, 19 Apr 2004 21:05:17 -0600
> From: Dr. Resonance <resonance@xxxxxxxxxx>
> To: High Voltage list <hvlist@xxxxxxxxxx>
> Subject: Re: Lifter with lights (fwd)
>
>
>
> For a min weight structure try using remote control model aircraft
> colored paper covering.  It's applied and then shrunk down to size
> with a heat gun.
>
> Lightweight pine or sinka spruce cut into 0.25 inch x 0.25 inch strips
> works good for the support structure.
>
> I'm interested in building a 7 x 7 ft. or circular 7 ft. dia. UFO this
> summer.  Any ideas on the best configuration to produce the lifting
> effect.

Doesn't anyone use balsa? I'd think it would be ideal for this
application.

Malcolm


> We already have power supplies 0-100 kV DC at up to 1 mA if necessary.
>
> Dr. Resonance
>
> Resonance Research Corporation
> E11870 Shadylane Rd.
> Baraboo   WI   53913
> ----- Original Message -----
> >
> > > You are right (a bit).  This was sold as a 30 kV 50 uA supply.
> > > However, my measurements tonight are: Input 24 V  0.80 A  = 19 W
> > > Output (measured after argons). no load (argons only but no wires
> > > to lifter)  ?30 kV 100 uA plus HV Meter (100 uA FSD movement)
> > > 28 kV  130 uA   =  3.6 W plus lifter  (no dropping resistor)
> > >            22 kV  400 uA   =
> 8.8
> > > W
> > > ie Net current is around 270 uA and net power used by lifter is
> > > around 5
> W.
> >
> > Ok. Several hundreds of uA is the minimum that these things appear
> > to require. Maybe a super light one would rise with 50 uA. I tried
> > to make one powered by an electrostatic machine that coud produce up
> > to 100 uA. The power was not enough, but the wind was significant.
> > The question is just how to make a solid enough structure with
> > really minimum weight. Maybe paper painted with conductive ink
> > instead of metal foil? Or a thin wire net?
> >
> > > What would a 1500 W lifter look like?
> >
> > One with many small sections in parallel. The same voltage but lots
> > of current.
> >
> > Antonio Carlos M. de Queiroz
> >
> >
> >
> >
>
>
>