Search found 342 matches: +vacuum +safety

Searched query: +vacuum +safety

by danielchristensen
Thu Mar 08, 2018 4:23 am
Forum: Advanced Technical Discussion Area
Topic: Reactor Plasma Imaging
Replies: 1
Views: 588

Reactor Plasma Imaging

... inception of our project was centered around an interesting piece of vacuum hardware (pictured below) that allows movement of a stick around the ... we designed, tested, and built a high impedance voltage divider and safety network with a ratio of 100/1 and an input impedance of 20 megaohms. ...
by ian_krase
Thu Feb 15, 2018 7:18 am
Forum: FAQs: Fusor Construction & Operation
Topic: FAQ - Joining metals - A critical fusor construction element
Replies: 1
Views: 573

Re: FAQ - Joining metals - A critical fusor construction element

... on aluminum and stainless. That said, I assembled my first "real" vacuum equipment using soft solder and it is still going strong. - Silver ... which will run you roughly 30 to 50 USD if I remember correctly. Harris Safety-Silv is probably good. You probably want to avoid cadmium, IMO. - ...
by Michael Bretti
Sun Feb 04, 2018 6:11 pm
Forum: New User Chat Area
Topic: Viable design?
Replies: 4
Views: 572

Re: Viable design?

... load. First off, what pressure levels is it operating at? Is this a vacuum based system, or at atmosphere or higher? Just generating an arc or ... relating breakdown voltage, pressure, and gas fill? Note also the safety considerations - arcing through deuterium can create explosive conditions ...
by Michael Bretti
Wed Jan 31, 2018 11:25 pm
Forum: Vacuum Technology (& FAQs)
Topic: High Vacuum Engineering Design, Analysis, and Build of a Small-Scale Multipurpose System
Replies: 35
Views: 1858

Re: High Vacuum Engineering Design, Analysis, and Build of a Small-Scale Multipurpose System

... Below is a rendering of the V2 design: 2.75 Conflat Multipurpose High Vacuum System V2.jpg The new inline valve would allow for a more direct pumping ... of 2.83 L/s, much more than is required for this system with a good safety margin. This should allow me to still attain 600 L/s at the pump inlet, ...
by Michael Bretti
Thu Jan 18, 2018 10:12 pm
Forum: Vacuum Technology (& FAQs)
Topic: Double-Checking Diffusion Pump before Buying
Replies: 6
Views: 541

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: 850

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: 1222

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: 1222

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: 768

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: 849

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 ...