Search found 285 matches

by David Kunkle
Fri Apr 18, 2014 3:47 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Fusor shape
Replies: 1
Views: 1041

Fusor shape

Hi all, Grid to chamber size FAQ talks about normally using a spherical chamber. Another part of a FAQ talks about how a non-perfectly spherical chamber has never been shown to affect fusion results. It appears that some use (short) cylindrical chambers with flat bulkheads on the ends- usually re-pu...
by David Kunkle
Fri Apr 18, 2014 1:51 am
Forum: Vacuum Technology (& FAQs)
Topic: Shutting down turbo and fusor valve
Replies: 6
Views: 1567

Re: Shutting down turbo and fusor valve

That all makes perfect sense now. Thanks for the info. One other question now that I'm looking more seriously at turbos: I get that you need a controller and cable to connect to the turbo. Where does the controller plug in to an outlet? Another cable no one ever talks about in the ads? I just saw on...
by David Kunkle
Fri Apr 18, 2014 1:46 am
Forum: Vacuum Technology (& FAQs)
Topic: Used Turbo Condition
Replies: 2
Views: 756

Re: Used Turbo Condition

I'll pass on it if there should be any noise with hand spinning. Obviously there's better stuff out there.
Thanks for the help.
by David Kunkle
Thu Apr 17, 2014 8:03 pm
Forum: Vacuum Technology (& FAQs)
Topic: Shutting down turbo and fusor valve
Replies: 6
Views: 1567

Shutting down turbo and fusor valve

Hi all, After reading through all the vacuum FAQs, let me see if I have this right... For a turbo, what it amounts to is it has to be under vacuum already to a) turn it on... and b) shut it off in order to not damage it? Partly theoretical here referring to "FAQ - Operating a Fusor - startup - run -...
by David Kunkle
Thu Apr 17, 2014 4:52 pm
Forum: Vacuum Technology (& FAQs)
Topic: Used Turbo Condition
Replies: 2
Views: 756

Used Turbo Condition

Hi all, Been lurking and reading lot here for several weeks, and this will be my first post. Looking to build my own fusor now. I've decided I should go with a turbo (vs diffusion) partly because I may need it for UHV application down the road. I tried searching the forum and FAQ for an answer to th...