Search found 17 matches

by S Silvawalker
Mon Aug 10, 2020 1:34 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: Vinyl tubes and j b weld
Replies: 4
Views: 277

Vinyl tubes and j b weld

Trying to connect a roughing pump to an oil diffusion pump. I have some reinforced flexible vinyl tubing what would using that as my connection limit my pressure to?

Also, what pressure would the use of j b weld (baked) limit a vacuum chamber to?
by S Silvawalker
Fri Aug 07, 2020 10:51 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

I am using all KF 50 pieces and have the system baked for 2 hours at 200°C, should be good for the diffusion pump setup. I have experience working with precise metal fabrication, I learned making art pieces and turbojet when I was younger and have a full shop to work with. I'm employed, with no tuit...
by S Silvawalker
Thu Aug 06, 2020 8:17 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

My apologies I completely misread the pressure of the tubes I was using, the mean free path with the pressure I hae is too short. My chamber can definitely work for the pressure but there is no way I'm going to be able to get there with this pump. I need to find an oil diffusion pump in the next 2 w...
by S Silvawalker
Thu Aug 06, 2020 1:29 am
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

Firstly, I agree for future builds I will definitely need a higher vacuum pump such as a turbo or diffusion one. However, for testing with ions only traversing the diameter a few hundred times each the ions are long lived enough. Secondly, the electron beam will be well defined as the electrons trav...
by S Silvawalker
Tue Aug 04, 2020 10:17 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

It isn't the electron- ion collisions that are the primary acceleration source that is the accelerating potential between the electron beams and the housing. Ions will be attracted towards the beams and repelled by the positively charged housing and CRT anodes. I saw experiments with pressures aroun...
by S Silvawalker
Tue Aug 04, 2020 7:30 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

The necessary energy for the electrons in the beams and therefore the needed accelerating potential is still an unknown. The 1MeV stated was the approximate per ion energy to maximize their cross section for fusion in the case of deuterium and tritium and did not refer to the electrons. The image is...
by S Silvawalker
Mon Aug 03, 2020 9:12 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

My idea is to not try and confine the electrons at all rather they never lose enough energy to recombine with the ions. Think of an electron beam ion trap but with 3 or 4 beams instead of 1. The key is that the electrons don't have to be lost and in a final system the losses can be minimized from th...
by S Silvawalker
Mon Aug 03, 2020 7:40 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

Re ionization seems to be caused by beam collisions in an EBIT so I wonder if that would solve the problem of neutral atom formation when combined with the accelerating potential? I will try to make simulations but that will be later on
by S Silvawalker
Mon Aug 03, 2020 7:32 pm
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: A Thought Experiment on Ideal Conditions
Replies: 27
Views: 7796

Re: A Thought Experiment on Ideal Conditions

Screenshot_20200803-152227_Gallery.jpg I am using a very different setup to my one in 2018 and I now have a pressure in the 1 to 100 micron range. I modified the original circuitry of the sets to get the required voltages and filament currents. I have yet to run any simulations as I wanted to know ...