Search found 348 matches: +vacuum +safety

Searched query: +vacuum +safety

by Michael Bretti
Thu Jan 18, 2018 10:12 pm
Forum: Vacuum Technology (& FAQs)
Topic: Double-Checking Diffusion Pump before Buying
Replies: 6
Views: 1155

Re: Double-Checking Diffusion Pump before Buying

... I am now on my fourth design iteration for my chamber, and my margin of safety for cost is slowly evaporating. It's another reason why I decided ... for my system, as well as fully immersing myself in the study of high vacuum engineering - looking and waiting for parts can take a long time, ...
by Michael Bretti
Sun Jan 07, 2018 11:31 pm
Forum: Images du Jour
Topic: Small Scale Multi-Purpose High Vacuum Chamber
Replies: 5
Views: 1540

Re: Small Scale Multi-Purpose High Vacuum Chamber

... and optimizing my system, I have been diving intensively into the high vacuum engineering calculations for my system. After many hours of scouring ... I am going with an 8CFM 2 stage backing pump for an extra bit of safety factor. In regards to the calculations, so far I have completed the ...
by Dennis P Brown
Tue Dec 12, 2017 10:54 pm
Forum: New User Chat Area
Topic: X radiation exposition
Replies: 11
Views: 2291

Re: X radiation exposition

Your poor vacuum certainly would be an issue if you had deuterium. In any case, as you see, your next ... at least 50 kV and be certain any fusor is properly grounded - read the FAQ's on the safety of high voltage for fusors (NEVER allow your transformer to float!) I use shielded/grounded ...
by Arnau Vivet
Tue Dec 12, 2017 4:49 pm
Forum: New User Chat Area
Topic: X radiation exposition
Replies: 11
Views: 2291

X radiation exposition

... doing some tests with my fusor earlier and I’m now worried about my own safety, I run this fusor on about 50 KV 10 miliamps in a vacuum about 1000 microns for about one minute at aproximatelly one meter of it, is there any ...
by Richard Hull
Sat Dec 09, 2017 7:16 am
Forum: FAQs: Neutron - Radiation Detection
Topic: FAQ - X-rays, X-rays, X-rays....A tutorial
Replies: 0
Views: 1360

FAQ - X-rays, X-rays, X-rays....A tutorial

... operation. Use the inverse-square law as your first line of defense and safety regarding any source of radiation. It is worth 3,000 lbs of lead shielding ... but collapse and implosion of an ill-chosen glass vessel placed under vacuum. This can throw glass shards about the room. (Very nasty) Assuming ...
by Dennis P Brown
Wed Dec 06, 2017 10:31 pm
Forum: Images du Jour
Topic: A nice Surplus item to make a Neutron Detector Power Supply
Replies: 6
Views: 1437

A nice Surplus item to make a Neutron Detector Power Supply

... and that all these systems are already wired together (removing the vacuum tube and bridging will be easy.) I bought this item because I liked ... (after I add a bleed resistor to that cap! Always try and think about safety - another important point for people new to HV systems; one careless ...
by Silviu Tamasdan
Fri Nov 17, 2017 12:41 pm
Forum: Please Introduce Yourself
Topic: Hello from Holland!
Replies: 2
Views: 514

Re: Hello from Holland!

... a lot of practical experience in several key domains, notably high vacuum techniques, high voltage generation and safety, radiation detection and safety. And the parts/devices you will need don't come cheap, ...
by Rich Feldman
Wed Nov 15, 2017 3:40 pm
Forum: Please Introduce Yourself
Topic: Greetings!
Replies: 15
Views: 1394

Re: Greetings!

... and abatement. You're ahead of most noobs, in ability to measure vacuum before you light things up electrically. Can we see some pictures? ... it just has a coil wound for low voltage instead of low current. (Gas safety valves for pilot lights are held open by a solenoid using voltage ...
by Dennis P Brown
Sun Nov 12, 2017 4:51 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Fusor chamber and electrode cooling
Replies: 0
Views: 562

Fusor chamber and electrode cooling

... I was surprised by this since I really just keep it under a simple vacuum and rarely pump it out. Since I was running it today I noticed that ... electrode - it is fully insulated but I never trust depending on that safety measure alone!) After turning off the HV I investigated various regions ...
by Dennis P Brown
Sun Oct 22, 2017 2:05 am
Forum: Please Introduce Yourself
Topic: Hello
Replies: 1
Views: 679

Re: Hello

... useless.) As for a chamber, a successful fusor was made using a simple vacuum four-way connector (I believe about 1.5 inch tube diameter.) This ... for many to obtain (and is extremely lethal so learning high voltage safety is critical.) Detecting neutrons is a very complex task unless one ...