FIRST FUSION!!!!!!!!!!!!!!!

15 11 2009

I’ve been doing trials on the fusor all night. Finally GOT IT. WE HAVE FIRST FUSION. LOOK AT THIS BUBBLE:

I had the Glassman power supply  maxed out, and the deuterium pressure at ~9 millitorr. The plasma was borderline unstable due to low pressure. The focus of the plasma was maximal. There was a sharp uptick in activity from the geiger counter. The limiting factor was the grid kept heating up and glowing red. I had to cool it off to repeat each trial.

IMG_4490IMG_4494IMG_4495
IMG_4493

This is how it makes me feel:

Bokeh_Example





Remote Control

14 11 2009

Now that our Fusor seems to be working, I must operate it from a safe distance. Last night I did the first successful remote run. I connected an iSight to the Fusor mac (G4 running OS X Tiger). Then I used VNC to remote control the Fusor mac from my laptop:

IMG_4488

I made headway with the command line program to control the fusor and record data in mysql via ruby. It’s currently setup to record vacuum chamber pressure, voltage and current according to the Glassman, and the effective flow rate of the mass flow controller. Currently I can enter commands to turn the high voltage on/off and set the flowrate of the mass flow controller. Next I want to control the voltage and current on the Glassman.

I also got a geiger counter:

IMG_4485

It takes two D batteries. There is a BNC connector for headphones. I have a BNC connector on order with mcmaster. In the meantime I improvised a connection to some computer speakers to test it out. Seems to be working. It picks up the expected background radiation producing that erie clicking sound. You can definitely hear an uptick in the clicks when I run the Fusor.

I’m working towards producing a comprehensive mapping of this device’s performance envelope using computer control to search the parameter space and record the results.

This is all so fun and exciting.





scotch tape x-ray vacuum chamber bake-out

28 12 2008

I had an idea for a low cost way to quickly bake-out (dry out) a vacuum chamber.

At one point I read that the fastest way to bake-out a vacuum chamber was with x-rays (I can’t find the link). But assume for a second this is true. 

Now. Consider the fact that we can make x-rays very cheaply with scotch tape in a vacuum. And in our case, we are already operating inside a vacuum! 

Cheap,fast, high quality vacuum chamber bake-out.

It would look something like this:

scotch_tape








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