Search found 349 matches: +vacuum +safety

Searched query: +vacuum +safety

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: 2853

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: 6561

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: 3121

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: 11647

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 ...
by Andrew Seltzman
Tue Dec 27, 2016 2:02 am
Forum: Images du Jour
Topic: First Fusion for Liam David - Neutron Club Application
Replies: 14
Views: 3092

Re: First Fusion for Liam David - Neutron Club Application

... which allows the fusor to hold constant pressure with feedback from the vacuum gauge, and the ion sources that can be tuned for varying grid current ... the spellman supply to the fusor shell, adding this will improve system safety(as the ground through the AC lines can sometimes be a little iffy) ...
by prestonbarrows
Sat Nov 19, 2016 5:29 am
Forum: Vacuum Technology (& FAQs)
Topic: Vacuum leak question
Replies: 12
Views: 3135

Re: Vacuum leak question

... However, it is quite safe with modest procedures centered around wearing gloves and avoiding contact. Ethanol is much better from a functional/safety standpoint. unfortunately, due to silly laws in the US, pure ethanol is difficult/impossible to come by. The average DIYer will find it impossible. ...
by prestonbarrows
Sat Nov 19, 2016 5:17 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: HVSafety Circuit for comments
Replies: 7
Views: 2567

Re: HVSafety Circuit for comments

Even tripping the mains lines of the supply does not guarentee safety. At these voltages, the capacitance of random parts floating out in ... enough energy to kill. In the case of a fusor, the internal grid and vacuum chamber make up what amounts to a high voltage capacitor. I can attest ...
by David Kunkle
Mon Nov 07, 2016 1:49 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: HVSafety Circuit for comments
Replies: 7
Views: 2567

Re: HVSafety Circuit for comments

Even tripping the mains lines of the supply does not guarentee safety. At these voltages, the capacitance of random parts floating out in ... enough energy to kill. In the case of a fusor, the internal grid and vacuum chamber make up what amounts to a high voltage capacitor. I can attest ...
by prestonbarrows
Sat Nov 05, 2016 12:49 am
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: HVSafety Circuit for comments
Replies: 7
Views: 2567

Re: HVSafety Circuit for comments

... Even tripping the mains lines of the supply does not guarentee safety. At these voltages, the capacitance of random parts floating out in ... enough energy to kill. In the case of a fusor, the internal grid and vacuum chamber make up what amounts to a high voltage capacitor. Additionally, ...
by Dennis P Brown
Sun Oct 09, 2016 8:16 pm
Forum: Images du Jour
Topic: Completion of Demo Fusor
Replies: 7
Views: 1819

Re: Completion of Demo Fusor

... chamber) should always have a true ground; then all components such as vacuum pumps, turbo/diffusion, gauges, and even the support stand should ... ground is valid as well as if neutral/hot have the correct polarity. Safety is your responsibility.