Ok, so the entrained neutrals with the ping pong balls
decreases the air pressure just in front of balls, and this
causes the rotator to rotate?

Harry 

On 3/6/2007 7:11 PM, Michel Jullian wrote:

> Removing the balls doesn't change the polarity of the tips of course, but it
> does change the direction of the entrained neutrals, due to more +ve ions
> moving from the rotor tips towards the stator tips than there are -ve ions
> moving from the stator tips towards the rotor tips. Only the -ve ion flow is
> present with the balls on.(*)
> 
> Michel
> 
> (*)assuming +ve HV on the rotor, which is what a CRT flyback provides
> 
> ----- Original Message -----
> From: "Harry Veeder" <[EMAIL PROTECTED]>
> To: <[email protected]>
> Sent: Sunday, June 03, 2007 9:32 PM
> Subject: Re: [Vo]:Miklos Borbas Thruster??
> 
> 
>> You mean the polarity of the tips can be switched by
>> adding or removing the ping pong ball? ;-)
>> 
>> Harry
>> 
>> 
>> 
>> On 3/6/2007 1:17 PM, Michel Jullian wrote:
>> 
>>> Afterthought: to make the phenomenon completely clear it might also be
>>> interesting to take a picture of the net ion wind going the other way (from
>>> the rotor tips to the stator tips) when the balls are removed from the
>>> locked
>>> rotor.
>>> 
>>> Michel
>>> 
>>> ----- Original Message -----
>>> From: "Michel Jullian" <[EMAIL PROTECTED]>
>>> To: <[email protected]>
>>> Sent: Sunday, June 03, 2007 8:05 PM
>>> Subject: Re: [Vo]:Miklos Borbas Thruster??
>>> 
>>> 
>>> Great work again Kyle!
>>> 
>>> I had expected things would be easier to see with the rotor locked. As a
>>> matter of fact I believe I had suggested this test to Miklos himself ages
>>> ago,
>>> as well as what just turned out to be the correct explanation, but he wasn't
>>> interested. So the front of the balls is indeed the ion discharge point as
>>> we
>>> had imagined initially, due to the ball being a lousy insulator.
>>> 
>>> Can you post a photograph or a video of your test #2 somewhere? Ideally you
>>> would need a smoke source under each corona emitter for results to be
>>> totally
>>> unambiguous, but this may not be easy to arrange, not to mention the smell
>>> ;-)
>>> 
>>> Michel
>>> 
>>> ----- Original Message -----
>>> From: "Kyle R. Mcallister" <[EMAIL PROTECTED]>
>>> To: <[email protected]>
>>> Sent: Sunday, June 03, 2007 6:43 PM
>>> Subject: Re: [Vo]:Miklos Borbas Thruster??
>>> 
>>> 
>>>> Gentlemen, an update from the lab,
>>>> 
>>>> Tests using smoke reveal the following:
>>>> 
>>>> 1. With the Borbas device free to rotate, smoke is relatively unaffected
>>>> in proximity to the device. It is hard to tell however exactly what is
>>>> going on as the smoke is also being stirred around by the device motion.
>>>> 
>>>> 2. With the device locked and unable to rotate, things get more
>>>> interesting. There is a slight general movement of the smoke opposite
>>>> the direction of which the device would want to rotate, were it free to
>>>> do so. But the velocity of the smoke is very small; the volume of
>>>> movement is very large however, extending several inches from the device
>>>> in all directions, less so above and below it. Now, if the column of
>>>> rising smoke is allowed to touch the stator corona wire, things are very
>>>> clear to see: upon touching the corona wire, the smoke instantly makes a
>>>> 90 degree turn and goes straight towards the balls, and at a much higher
>>>> speed. It doesn't stop at the balls either, it goes right past them and
>>>> then immediately behind them spreads out and joins the rest of the
>>>> slowly moving air.
>>>> 
>>>> 3. Outside of a thin polyethylene bag, there is still air flow. Image
>>>> charges? It isn't high speed, but certainly is enough to contribute to
>>>> thrusting action.
>>>> 
>>>> 4. Removing the balls from the rotor wires and covering them with
>>>> silicone resin reduced motion of the device (now set up free to rotate
>>>> again) by about 1/2. Turning the corona wires in the opposite direction
>>>> reversed the thrust. Making the corona wires point exactly radially
>>>> outwards reduced the thrust to zero. Putting the corona wires back into
>>>> their original (pointing towards the rotor) configuration but covered
>>>> with silicone resin again gave zero thrust. It is my belief that given
>>>> these results, the Borbas device is clearly conventional.
>>>> 
>>>> 5. Per Horace's suggestion, I powered the device with AC. The results,
>>>> were to say the least, disappointing. No thrust was observed using any
>>>> of the configurations given above, save one. With rotor electrodes
>>>> having a more flattened surface and corona wires very pointed, there was
>>>> a slight motion, but I determined this to be again corona
>>>> wind....insulating the pointed electrodes killed the effect. These
>>>> results remained the same at 60cps, 400cps, 1500cps, 5000cps and 8000cps.
>>>> 
>>>> Thoughts?
>>>> --Kyle
>>>> 
>>> 
>> 
> 

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