Search found 439 matches

by ian_krase
Wed Jan 29, 2020 4:22 am
Forum: Vacuum Technology (& FAQs)
Topic: 2200 l/s turbos
Replies: 2
Views: 60

Re: 2200 l/s turbos

Those are pretty big. Make sure you can bolt them down in case of a catastrophe.
by ian_krase
Fri Jan 24, 2020 7:56 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: Update on experiment
Replies: 3
Views: 381

Re: Update on experiment

Vacuum seals must be nearly perfect. While compressible rubber seals such as O-rings with vacuum grease can cover many ills, they are still sharply limited. It only takes a small pinhole to make a vacuum unusable. Threaded pipe fittings, hairline cracks and pinholes, and a variety of other problems ...
by ian_krase
Fri Jan 17, 2020 8:27 am
Forum: Images du Jour
Topic: Visit to Jon Rosenstiel's
Replies: 7
Views: 606

Re: Visit to Jon Rosenstiel's

I'm curious where the high vacuum pump is.
by ian_krase
Sat Jan 11, 2020 4:12 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: TA DA New Use of Plasmas
Replies: 10
Views: 686

Re: TA DA New Use of Plasmas

It's also an ISM band, no?
by ian_krase
Sat Jan 11, 2020 4:07 am
Forum: Items wanted
Topic: 0-200 V, 200 V Pulsed Power Supply Units
Replies: 2
Views: 293

Re: 0-200 V, 200 V Pulsed Power Supply Units

22 amperes? That seems like a huge amount of current.

The 200V power supplies should be fairly simple since many people sell power supplies in this range meant for building vacuum tube equipment.
by ian_krase
Fri Jan 10, 2020 8:23 am
Forum: Announcements and Site Administration Topics
Topic: Visiting Bay Area 13th-17th Jan
Replies: 1
Views: 314

Re: Visiting Bay Area 13th-17th Jan

I live and work in the area so I'm interested!
by ian_krase
Fri Jan 10, 2020 8:22 am
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: TA DA New Use of Plasmas
Replies: 10
Views: 686

Re: TA DA New Use of Plasmas

Well, that certainly managed to be absurd. At first I thought that inductively coupled plasma had made it into the beauty market.
by ian_krase
Tue Jan 07, 2020 8:56 am
Forum: Fusor and/or General Fusion Theory (& FAQs)
Topic: Is It A Farnsworth... or a Hirsch (redux)
Replies: 18
Views: 1012

Re: Is It A Farnsworth... or a Hirsch (redux)

Now this is super interesting.

(one feels a little quantum of the legend akin to what Doug Coulter has been working on).

If those rings are einzel lenses, what make up the start and end elements? Are they insulated from the center somehow?
by ian_krase
Sun Dec 15, 2019 2:36 am
Forum: Fusor Construction & Operation (& FAQs)
Topic: Making Large Vacuum Chambers
Replies: 10
Views: 648

Re: Making Large Vacuum Chambers

Who's S and S?