Search found 355 matches: +vacuum +safety

Searched query: +vacuum +safety

by Dennis P Brown
Mon May 22, 2017 11:08 am
Forum: Ion Gun Design and Construction (& FAQs)
Topic: Deuterium Accelerator
Replies: 0
Views: 1335

Deuterium Accelerator

Since I have been running my fusor vacuum system (no deuterium) every week or so (to high vac) to keep it clean, I decided ... with the fact that I haven't tested/measured any flux yet creates too many safety unknowns (I do have an anti-electron back flow system incorporated at the water ...
by Robert Dwyer
Mon May 08, 2017 6:19 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Robert Dwyer Fusor Progress
Replies: 37
Views: 7611

Re: Robert Dwyer Fusor Progress

Thank you for your reply Dennis. In regards to the vacuum pump, it is a two stage unit, that I measured 9 microns as an ultimate ... reconsider the DIY approach to the feedthrough. As for grounding, I agree, safety is of the upmost importance with this project. A metal cage is in the plan, ...
by Samuel Low
Thu Mar 30, 2017 2:56 pm
Forum: Images du Jour
Topic: Thin-Walled Acrylic Demo Fusor
Replies: 3
Views: 1112

Thin-Walled Acrylic Demo Fusor

... had my doubts about 5mm thick acrylic being able to hold the walls in a vacuum, and had extra implosion shielding just in case. Surprisingly, it ... cheap vacuum chamber setups :) Of course, this is bordering on the safety of vacuum chamber design. I wouldn't advise to go any lower in wall ...
by Dennis P Brown
Sun Mar 19, 2017 6:10 pm
Forum: Images du Jour
Topic: John Beutz Fusor... The Story so Far
Replies: 24
Views: 5147

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

... - your pump is very small (volume pumping capabilities, not ultimate vacuum) and that could be an issue that bites you. That said, as long as ... before ever applying voltage to that 100 kV x-former; first, for safety reasons but also, if you burn out that x-former, or design/install ...
by Dennis P Brown
Sat Mar 18, 2017 5:01 pm
Forum: Images du Jour
Topic: John Beutz Fusor... The Story so Far
Replies: 24
Views: 5147

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

I posted a great deal on your vacuum issues and you now know what to do to get in the micron range with that system ... are rare and expensive. One does not want to blow those so care is not just about safety. Cables and connectors are extremely hard to find and new ones are extremely ...
by Dennis P Brown
Sat Mar 18, 2017 3:22 pm
Forum: New User Chat Area
Topic: Mech Pump and Transformer Questions
Replies: 20
Views: 3012

Re: Mech Pump and Transformer Questions

... a straight metal tube that has a KF fitting on its end (that type of vacuum tube is a good idea for that DP and removes the need for welding to ... design/system when the x-former was hot. Speaking of fusor electrical safety, your list should include confirming that you have a good ground point ...
by Richard Hull
Mon Mar 06, 2017 4:06 pm
Forum: FAQs: Fusion and Fusor Theory
Topic: FAQ - Voltage-Cross section-Current
Replies: 5
Views: 3151

FAQ - Voltage-Cross section-Current

... blocks to doing and proving fusion is not the reactor assembly, the vacuum system or the deuterium gas supply, themselves, (though they are important ... will require significant electrical or electronics skills. High voltage safety becomes of paramount importance to avoid being killed or injured ...
by Dennis P Brown
Mon Feb 06, 2017 12:14 pm
Forum: Ion Gun Design and Construction (& FAQs)
Topic: Plasmagun/railgun for Stelarate
Replies: 31
Views: 7350

Re: Plasmagun/railgun for Stelarate

... without first checking them with the ground stick. Another important safety issue - caps that are rapidly discharged can over heat and explode. ... gets a good deal on the caps but that is another issue.)) The very high vacuum system is another matter and may not interest you for a small accelerator ...
by Dennis P Brown
Mon Jan 23, 2017 4:02 pm
Forum: Vacuum Technology (& FAQs)
Topic: Low Tech Gas Feed Solution
Replies: 15
Views: 3424

Re: Low Tech Gas Feed Solution

Richard, when you point out Townsend arc breakdown in a partial vacuum will be a great noise source across a rather broad spectrum , All I ... star ground configuration is used (and always a good idea to use this for safety!), one is also "piping in" huge voltage surges into the ground system ...
by Rex Allers
Sat Dec 31, 2016 10:30 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: The Beginnings of a Fusor Electrical System
Replies: 59
Views: 13143

Re: The Beginnings of a Fusor Electrical System

... sketch) or because an xray tube with a filament is essentially a vacuum tube diode that will automatically only pass the AC potential, that ... come from the same connection. Why are there two? Possibly redundancy safety on the grounding of the HV source. Now, let's think about the primary ...