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Overunity Machines Forum



Self accelerating reed switch magnet spinner.

Started by synchro1, September 30, 2013, 01:47:45 PM

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picowatt

#190
October 18, 2013, 09:27:34 AM
Quote from: TinselKoala on October 18, 2013, 01:53:59 AM
Nice advice, added to the MH analog computer idea.

Where you been? We had a bit of fun there a little while ago with LMM, and missed your participation. I hope you watched my "highlights" of the demonstrations.

LMM?

TinselKoala

#192
October 18, 2013, 01:59:09 PM
Meanwhile, here's an illustration of siphoning off the spike to power an external circuit. It quickly charges the reservoir cap of the little 2-element ring oscillator and provides power to run it quite well. At the end of the video as I discharge the cap I was lucky enough to capture a single frame showing the shower of molten metal and plasma from the tiny spark.

Video is uploading and will be ready in a few minutes at
http://youtu.be/T5I_BM4E00E

The frame capture of the spark discharging the main 150 uF cap is here:

TinselKoala

#193
October 18, 2013, 02:14:13 PM
And some power measurement considerations. I am powering the driver/strobe unit from the lower 12V battery of the 24 volt stack, and I can turn off the strobes, but obviously I can't turn off the driver or the motor will stop running. But I'd like to be able to separately measure out the power to the driver/strobe circuit and the power to the drive coil. So far, I know this: I can get the motor to run stably at 750 RPM, moving air with the prop, and drawing about 48 mA with the strobes on, and around 31 mA with them off. And I know that, with no drive coil connected, the driver circuit, without the strobes, also draws around 18-20 mA.

So, it would seem that I am running the drive coil itself on very little power indeed, once the driver and strobe powers are accounted for.

However... since the measurement points are as shown in the diagram below, I'm not sure about the validity of the measurements since the supply voltages are split the way they are, but all the current goes thru the milliammeter.

Any help or comments appreciated.

synchro1

#194
October 18, 2013, 04:39:35 PM
@Tinselkoala,


                   Does the rotor speed up when the BEMF power's collected by the capacitor? 
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