Finally, an LM Ericsson RYG10 coaxial Trochotron up and running!

[Dekatron42]

Hi All,

I finally have an LM Ericsson RYG10 coaxial Trochotron up and running, counting both directions - counter clockwise and clockwise!

Have a look here: http://www.youtube.com/channel/UCO6OM4QT3HjXeLpF3FSlsMA

More details will come, but it might take some time as these are my very first experiments with this tube.

/Martin

[Dekatron42]

I just added a movie where I drive the RYG10 from a variable oscillator and run it up to 10KHz before my current driving stage reaches its limit. I also flip the magnet over while the RYG10 is powered up and it then changes direction as soon as the magnet is back in its correct position.

/Martin

[JohnK]

This is interesting stuff.. thanks

 

John K

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[Dekatron42]

Thanks!

Now after some more testing I have the RYG10 up and running at 100 kHz (the limit of the oscillator that I am using right now) but I guess it will run up to the specified 300 kHz. The driving stage now uses either a ECC960 or a ECC962 (or their counterparts E90CC/E92CC) as I have a lot more of those (just four ECC91's right now). The driving stage is still a little bit sensitive to the input pulse voltage so I'll see if i can adjust that to make it easier to drive.

I also use an electro magnet in my experiments and had to use one from a dismantled inductor that had some 5200 turns of 0.25 mm enamelled copper wire. I run it at 172V @ 533mA to produce the required magnetic field. This coil then gets very hot after just a short while, after the movie I recorded it got to hot to handle comfortably so I'll have to make a another coil with thicker copper wire and possibly also use an iron tube to form the magnetic field.

There is a short movie here: https://www.youtube.com/watch?v=4hh7yUP_36M where you can see my scope showing the driving pulse as well as the output pulse, sorry for the poor picture quality but my camera is old and the focus doesn't function well any more.

/Martin