Search found 41 matches
- Wed Jan 06, 2021 4:53 am
- Forum: Advanced Technical Discussion Area
- Topic: RGA to Analyze Ion Beam Composition
- Replies: 8
- Views: 2157
Re: RGA to Analyze Ion Beam Composition
Rather than destroy a functioning RGA, why not just connect the RGA to the source side of the gas going into the ion beam generator. If you build a small chamber separate from the main chamber into which the feed gas goes, and then you put an RGA connected to that, and the ion source separates the s...
- Thu Dec 31, 2020 9:29 am
- Forum: Fusor Construction & Operation (& FAQs)
- Topic: 125kV Fusor
- Replies: 13
- Views: 2382
Re: 125kV Fusor
Those cpm counts are pretty high. Have you considered moving your neutron detection tube so it is 2x, 4x or 10x further away from your source, so that you reduce your cpm by a factor of 4, 16 or 100? At some point you may compromise the accuracy of your numbers because the count rate is so high. (A ...
- Thu Dec 31, 2020 9:24 am
- Forum: Fusor Construction & Operation (& FAQs)
- Topic: 125kV Fusor
- Replies: 13
- Views: 2382
Re: 125kV Fusor
So that would be 5.3E7 n/sec total based on multipliers you used in the other thread.
Correct?
Joe.
Correct?
Joe.
- Thu Dec 24, 2020 9:56 pm
- Forum: Fusion --- Past, Present, and Future
- Topic: Farnsworth Questions
- Replies: 33
- Views: 11472
Re: Farnsworth Questions
Yes, many of them. The Marriott Library at the University of Utah has a large collection of Philo Farnsworth papers. The vast majority of which are technical. Included are lab notebooks from Hirsch, and Meeks, as well as Farnsworth. I have about 30+GB of pictures of said material. I took said photos...
- Tue Dec 22, 2020 2:58 am
- Forum: Neutrons, Radiation, and Detection (& FAQs)
- Topic: Neutron Activation of Cobalt-59 Yields 5.3-year Co-60
- Replies: 4
- Views: 1144
Re: Neutron Activation of Cobalt-59 Yields 5.3-year Co-60
Very cool Jon. You and Joe Gayo are probably the only two people on this site that can currently generate enough neutrons to do this activation in a reasonable amount of time.
Your detector setup for generating spectra is without doubt vastly superior to what anyone else here has.
Joe.
Your detector setup for generating spectra is without doubt vastly superior to what anyone else here has.
Joe.
- Mon Dec 21, 2020 7:11 pm
- Forum: Fusor Construction & Operation (& FAQs)
- Topic: Progress Update
- Replies: 22
- Views: 2252
Re: Progress Update
1.2E+7 n/sec (your last run) is doing VERY well indeed.
What pressure are you running at? If there is no plasma glow at all, I expect you are running at much lower pressures than pretty much everyone else here.
Joe.
What pressure are you running at? If there is no plasma glow at all, I expect you are running at much lower pressures than pretty much everyone else here.
Joe.
- Mon Dec 21, 2020 5:50 am
- Forum: Fusor Construction & Operation (& FAQs)
- Topic: Progress Update
- Replies: 22
- Views: 2252
Re: Progress Update
For your two calibration runs, the ratios between the cpm and the total neutrons emitted per second are different. Based on the first run, the expected total n/sec for the second run would be 3.9E+6. (95kcpm / 56kcpm) * 2.3E+6 n/sec = 3.9E+6 n/sec Or is the relationship between cpm and n/sec not lin...
- Sun Dec 20, 2020 6:38 am
- Forum: Fusor Construction & Operation (& FAQs)
- Topic: Progress Update
- Replies: 22
- Views: 2252
Re: Progress Update
So what is your estimated total neutron ouput per second for this run?
That very large neutron tube looks like one of a pair of tubes Jon Rosenstiel was using to detect neutrons generated from high energy cosmic rays a few years back.
Joe.
That very large neutron tube looks like one of a pair of tubes Jon Rosenstiel was using to detect neutrons generated from high energy cosmic rays a few years back.
Joe.
- Sat Dec 19, 2020 6:31 pm
- Forum: Neutrons, Radiation, and Detection (& FAQs)
- Topic: Deuterated lithium
- Replies: 5
- Views: 987
Re: Deuterated lithium
Lithium 6 deuteride is thermonuclear bomb fuel. Why do you keep bringing up topics that have nothing to do with fusors? Keep it up, and you will likely just get banned.
Joe.
Joe.
- Mon Nov 30, 2020 2:32 am
- Forum: Files
- Topic: Neutron Detection Methods and Instruments
- Replies: 3
- Views: 4093
Neutron Detection Methods and Instruments
Found this article online and thought it was relevant.