Search found 364 matches: +vacuum +safety

Searched query: +vacuum +safety

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: 2098

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: 2031

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: 864

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: 2331

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: 889

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: 986

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 ...
by ian_krase
Wed Oct 11, 2017 10:55 pm
Forum: Vacuum Technology (& FAQs)
Topic: Silicone tubing with hose barbs OK to pull low vacuum?
Replies: 27
Views: 3852

Re: Silicone tubing with hose barbs OK to pull low vacuum?

... and high voltage (25-100 kV) at the same time. Please keep in mind that safety precautions for these very high voltages are much more stringent than ... of your setup and your parts? While NPT connections can be used in vacuum, they are generally considered undesirable because they are sometimes ...
by Dennis P Brown
Tue Oct 10, 2017 11:48 am
Forum: Ion Gun Design and Construction (& FAQs)
Topic: tabletop neutron generator
Replies: 15
Views: 6963

Re: tabletop neutron generator

... and see what this monster will give me. With a massive resistor (for safety) I will use this new VM for my accelerator; that is, if it can really ... concede it is time to disassemble the accelerator and retask the high vacuum system (not sure for what. Maybe even sell it. I have to say, I like ...
by Dennis P Brown
Thu Sep 28, 2017 10:19 am
Forum: Images du Jour
Topic: First Plasma - Daniel Fajardo
Replies: 3
Views: 1260

Re: First Plasma - Daniel Fajardo

... "Very impressive." Making your own chamber and using such good vacuum systems is a very good start. Guess your next focus after increasing ... its own ground - not necessary, of course but I feel that is a good safety practice.) Of course, the standard star system with the fusor is always ...
by Finn Hammer
Mon Sep 18, 2017 3:27 pm
Forum: Images du Jour
Topic: Fusor progress, Finn Hammer
Replies: 25
Views: 5037

Fusor progress, Finn Hammer

... surfaces, needless to say, I am anxious to see if they will hold a vacuum. The viewport diametre is 2 1/2" and the feedtrough is a 30kV rated ... is guarded inside the machine chassis, which is grounded, for maximum safety. This is the state of my fusor at this time, 18-09-2017 Cheers, Finn ...