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Dead Spellman PTV50N200 - where to start?

... an adequate feedthrough and because to ensure safety (and to fit it on my bench) I needed some ... OBIT would not do anything at, and got some X-rays I could detect w/ my geiger counter... And then I had ...
by ian_krase
Wed Aug 02, 2017 8:30 am
 
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Dead Spellman PTV50N200 - where to start?
Replies: 7
Views: 150

Re: Greetings!

... to heart; do not blindly add power to such a x-former. Getting help, as John has suggested is ... thickness of slate for a 80 keV X-ray (safety factor!) is trivial (called google.) Slate ... away (and frankly, you haven't looked into x-rays if you think that distance is required.) Again, ...
by Dennis P Brown
Thu Jun 29, 2017 10:03 am
 
Forum: Please Introduce Yourself
Topic: Greetings!
Replies: 16
Views: 729

Re: Greetings!

... Also, do not leave any area that could expose someone to a dangerous level of x-rays without proper shielding. While current does matter ... to really understand high voltage systems and related safety - issues such as proper (fail safe) chamber grounding, ...
by Dennis P Brown
Fri Jun 23, 2017 5:49 pm
 
Forum: Please Introduce Yourself
Topic: Greetings!
Replies: 16
Views: 729

Deuterium Accelerator

... accelerator...besides the issues of high flux x-rays with the accelerator which could be an issue when combined ... haven't tested/measured any flux yet creates too many safety unknowns (I do have an anti-electron back flow system ...
by Dennis P Brown
Mon May 22, 2017 11:08 am
 
Forum: Ion Gun Design and Construction (& FAQs)
Topic: Deuterium Accelerator
Replies: 0
Views: 294

Re: Neutron Scintillation Detector: start up work

... scintillation detector system is only for x-rays/gamma but does work well - even picks up Beta (rather ... But that system is solely used as a radiation safety detector system.)
by Dennis P Brown
Mon May 22, 2017 10:39 am
 
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Neutron Scintillation Detector: start up work
Replies: 12
Views: 1017

Re: John Beutz Fusor... The Story so Far

I have stressed electrical safety but one needs to be aware that over 35 kV fusor operation x-rays start to be significant; this radiation is an extremely dangerous ...
by Dennis P Brown
Mon Mar 20, 2017 9:20 am
 
Forum: Images du Jour
Topic: John Beutz Fusor... The Story so Far
Replies: 24
Views: 2160

FAQ - Voltage-Cross section-Current

... absolute limit for amateur fusion in a fusor. X-rays produced at this 70kv level are fearsome and dangerous! ... electrical or electronics skills. High voltage safety becomes of paramount importance to avoid being killed ...
by Richard Hull
Mon Mar 06, 2017 4:06 pm
 
Forum: FAQs: Fusion and Fusor Theory
Topic: FAQ - Voltage-Cross section-Current
Replies: 1
Views: 862

Re: Water as Neutron Shield

... I see with a fusor or a sim-fusor. Also, exactly what safety regulations are there for the average home fusor? ... - I never said slate is useful for stopping gamma rays, only x-rays and by default, I mean in the energy range ...
by Dennis P Brown
Fri Jul 29, 2016 9:51 am
 
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Water as Neutron Shield
Replies: 17
Views: 3288

FAQ - Location for my super fusor?? Where?

... operated at voltages above 25,000 volts are X rays and these will not be severe until voltages above 40,000 ... is always accidental electrocution via ignorance of safety issues involved. Only after voltages in excess of ...
by Richard Hull
Fri Jul 15, 2016 5:22 pm
 
Forum: FAQs: Fusor Construction & Operation
Topic: FAQ - Location for my super fusor?? Where?
Replies: 0
Views: 1105

Re: safety and sercurity

... on the person. A real fusor can be a dangerous x-ray source, lethal electrical source and the neutron ... needs fairly thick steel walls (to stop x-rays), proper high voltage shielding of all possible ... This should answer the question about safety ... read the various FAQ's on the given topics ...
by Dennis P Brown
Fri Jul 15, 2016 2:58 pm
 
Forum: New User Chat Area
Topic: safety and sercurity
Replies: 2
Views: 1062
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