Re: lifter power supply - using Tesla coil (fwd)

[Steven Roys <sroys@xxxxxxxx>]

---------- Forwarded message ----------
Date: Wed, 30 Jul 2003 22:04:10 -0300
From: Antonio Carlos M. de Queiroz <acmq@xxxxxxxxxxxxxxxx>
To: High Voltage list <hvlist@xxxxxxxxxx>
Subject: Re: lifter power supply - using Tesla coil (fwd)

High Voltage list wrote:

> From: Charles Brush <cfbrush@xxxxxxx>

> On a related topic, I saw one site where the HV wire that is normally
> suspended above the skirt was enclosed in a cylinder under vacuum.
> There was no ion wind, yet the device still developed thrust.  Is
> this for real?  As with anything related to Tesla, this type of
> technology seems to attract a certain fringe element in addition to
> serious researchers.  As someone entirely new to this subject it can
> be hard to tell which is which.  Any direction appreciated.

Two questions are how intense this vacuum was and how effective was
the insulation of the corona wires (straws don't insulate 30 kV).
The effect is expected to decrease as the pressure is decreased, but
is probably still observable at quite high vacuum.

Antonio Carlos M. de Queiroz