New “Tiny Orbo Replication 2″ circuit

Yesterday was not such a great day for the "tiny orbo replication."  When the pulse current was increased to normal levels, the current pulse decay was too significant. It could be due to my diodes, which are poorly suited for this task.

Furthermore, the "tiny orbo replication" disc begins to float at above 6000 rpm, so the highest I would want to take it yesterday was 7200 rpm. This is probably fixable by rising the disc so it's at the same height as the magnets.

I calculated that at such current levels, the current pulse would be on for only ~ 4 degrees at 15000 rpm, which is probably far to low.

I have no plans on spending $$$ making an ultra high rpm "tiny orbo replication." So the alternative is to apply a small voltage, ~ 1 volt in-series with the flyback diodes to maintain the current pulse. Here is one circuit I propose to accomplish this. Please download it to help keep as open-source.

A little bit of good news from yesterday was a cool stroboscope was added. It consists of firing a red LED on top of the spinning magnet disc, which shows where the pulse current is fired.

Later on I'll post another similar circuit that replaces the 0.8V battery (capacitor) with a small transformer that will use the main 33V battery (capacitor).

[Edit: Please see the new and improved circuit.]

Click to enlarge image. Right click on image to save to you computer to help keep this circuit as open-source.

I am not affiliated with Steorn. Orbo is trademarked by Steorn.

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