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Overunity Machines Forum



STEORN DEMO LIVE & STREAM in Dublin, December 15th, 10 AM

Started by PaulLowrance, December 04, 2009, 09:13:07 AM

Previous topic - Next topic

0 Members and 37 Guests are viewing this topic.

Groundloop

All,

Attached is the switch I'm using for the Solid State Orbo Coil Switch.
The mosfet is rated to 1000 Volt and just blew up today when testing.
I will replace that mosfet with a high voltage power NPN transistor.

EDIT: My switch is now updated like in the attached drawing.

EDIT2: The transistor setup does not work as planned. Now I can only get out
3 to 4 volt AC from the generator coil. So it seems that "sharp" switching is
necessary to get this thing going. This is really strange?

Alex.

Omnibus

All this talk and suppositions will fade away if we can get hold of Sean's December 19th data and observe that indeed, as claimed, all the input power has gone exclusively for Ohmic heating. Finding out whether or not that's the case should be the only focus of attention. Talking about anything else is just a waste of time at this point.

Promptly obtaining and analyzing Sean's data is especially important for those who've set themselves to replicate Orbo because it will save them time and resources if it turns out that the data doesn't support the claim that all the input power goes solely for Ohmic heating. We've gone through a lot of this -- to take somebody's word and only because of that start efforts to replicate the claim -- to find ourselves look like fools pulled into a hoax. Here in this case the resolution is straightforward -- if Sean has these claims he should provide the data, clearly available, to back them up. No more Mylows.

plengo

Quote from: Groundloop on January 01, 2010, 10:59:29 PM
All,

Attached is the switch I'm using for the Solid State Orbo Coil Switch.
The mosfet is rated to 1000 Volt and just blew up today when testing.
I will replace that mosfet with a high voltage power NPN transistor.

EDIT: My switch is now updated like in the attached drawing.

EDIT2: The transistor setup does not work as planned. Now I can only get out
3 to 4 volt AC from the generator coil. So it seems that "sharp" switching is
necessary to get this thing going. This is really strange?

Alex.

Very interesting Alex. It kind of makes sense to me. Sharper sounds like "works better with higher magnetic viscosity, or bigger lag from the magnet induction to react to the gradient".

(webster:  Viscosity = the ratio of the tangential frictional force per unit area to the velocity gradient perpendicular to the direction of flow of a liquid â€"called also coefficient of viscosity)

Fausto.

Groundloop

@plengo,

The different in output was dramatic reduced with a slower transistor. The hexfet I
did use had a switch on time of approx. 54 nano second. The transistor switch on
at maximum 600 nano second. The output voltage was reduced from 180 VAC to 3VAC.

Alex.

interestedinou

Quote from: Omnibus on January 02, 2010, 12:48:54 AM
All this talk and suppositions will fade away if we can get hold of Sean's December 19th data and observe that indeed, as claimed, all the input power has gone exclusively for Ohmic heating. Finding out whether or not that's the case should be the only focus of attention. Talking about anything else is just a waste of time at this point.

Promptly obtaining and analyzing Sean's data is especially important for those who've set themselves to replicate Orbo because it will save them time and resources if it turns out that the data doesn't support the claim that all the input power goes solely for Ohmic heating. We've gone through a lot of this -- to take somebody's word and only because of that start efforts to replicate the claim -- to find ourselves look like fools pulled into a hoax. Here in this case the resolution is straightforward -- if Sean has these claims he should provide the data, clearly available, to back them up. No more Mylows.

I agree. That is the main issue.

If Steorn can prove that almost no energy is transferred into the rotor then it will prove they have an OU technology.