New fusor for neutron production
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
New fusor for neutron production
Hello all, I have built multiple IEC demo fusors and I have decided that I would like to get into a real working fusor that produces neutrons. I need advice on what I need to bring it to that level. What I currently have is: a 7500v NST rectified for negative DC, a Single stage 3cfm vacuum pump, and a geiger counter (for use with silver for neutron detection). I am looking for lower price range items so advice on ebay sellers and places to get deals on things would help. Thanks.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
-
- Posts: 139
- Joined: Sat Jun 29, 2013 3:45 pm
- Real name: Charlie McCartney
- Location: Dallas, Texas, U.S.A.
- Contact:
Re: New fusor for neutron production
two stage rotary vane with diffusion pump, 30kv at least, deuterium system, SS chamber. Pretty much a entirely new system.
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Could I do it without the diffusion pump and just the 2 stage?
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Something like this http://www.ebay.com/itm/Vacuum-Pump-Wel ... 1c35e27237
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Richard Hull
- Moderator
- Posts: 14992
- Joined: Fri Jun 15, 2001 9:44 am
- Real name: Richard Hull
Re: New fusor for neutron production
My first fusion in 1999 was with just a two stage mechanical pump and did fusion, but at very poor levels. Wasted a lot of deuterium gas too.
A diffusion or turbo pump is needed for any serious work.
Richard Hull
A diffusion or turbo pump is needed for any serious work.
Richard Hull
Progress may have been a good thing once, but it just went on too long. - Yogi Berra
Fusion is the energy of the future....and it always will be
The more complex the idea put forward by the poor amateur, the more likely it will never see embodiment
Fusion is the energy of the future....and it always will be
The more complex the idea put forward by the poor amateur, the more likely it will never see embodiment
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Thanks I guess I'm gonna have to.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Anyone know a place to get a reasonably priced diffusion pump? 120v preferably.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Carl Willis
- Posts: 2841
- Joined: Thu Jul 26, 2001 7:33 pm
- Real name: Carl Willis
- Location: Albuquerque, New Mexico, USA
- Contact:
Re: New fusor for neutron production
My definition of a "reasonable" diffusion pump and a "reasonable" price is something with a rated speed of 20-100 liters per second, and $100-200 on the surplus market. Such pumps are at the smallest end of the commercial lineup, and entirely sufficient for fusor use. They show up on eBay all the time.
You also need oil for the pump. You might pay more for the oil than for the pump. The smaller the pump, the less of this costly oil it requires. The smaller pumps also heat up faster and use less electricity and cooling water (some use water, some use an air fan).
-Carl
You also need oil for the pump. You might pay more for the oil than for the pump. The smaller the pump, the less of this costly oil it requires. The smaller pumps also heat up faster and use less electricity and cooling water (some use water, some use an air fan).
-Carl
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Thanks ebay actually has some great prices!
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
I know that xrays are dangerous but what about neutrons are they hazardous to come in contact with? From a fusor of course.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
- Carl Willis
- Posts: 2841
- Joined: Thu Jul 26, 2001 7:33 pm
- Real name: Carl Willis
- Location: Albuquerque, New Mexico, USA
- Contact:
Re: New fusor for neutron production
There is a separate forum for this subject, complete with some very useful FAQs.
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Sorry didn't notice that.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
-
- Posts: 139
- Joined: Sat Jun 29, 2013 3:45 pm
- Real name: Charlie McCartney
- Location: Dallas, Texas, U.S.A.
- Contact:
Re: New fusor for neutron production
If you believe you will be producing enough neutrons to be dangerous use some lead shielding. This will be the last step and until you are ready to produce neutrons do not worry about it.
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Really in the FAQ it said I don't really need that It said I should use lead shielding on the view port for xrays and just stand back.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer
-
- Posts: 139
- Joined: Sat Jun 29, 2013 3:45 pm
- Real name: Charlie McCartney
- Location: Dallas, Texas, U.S.A.
- Contact:
Re: New fusor for neutron production
If you have a good 316SS shell then yes, that is all you need.
- Carl Willis
- Posts: 2841
- Joined: Thu Jul 26, 2001 7:33 pm
- Real name: Carl Willis
- Location: Albuquerque, New Mexico, USA
- Contact:
Re: New fusor for neutron production
There is another forum for this subject.
I don't like to repeat myself...
I don't like to repeat myself...
- Isaac Boehm
- Posts: 62
- Joined: Tue Aug 27, 2013 7:13 pm
- Real name: Isaac Boehm
Re: New fusor for neutron production
Just to let you guys know this is a joint effort between me and forum member Liam Foyle.
I can't think that it would be terrible of me to say – and it is occasionally true – that I need physics more than friends. -Robert J Oppenheimer