Search found 280 matches

by Dan Knapp
Tue Mar 17, 2020 3:41 am
Forum: Announcements and Site Administration Topics
Topic: Coronavirus pandemic
Replies: 100
Views: 9881

Re: Coronavirus pandemic

Good price on the isopropyl alcohol, but hazmat shipping could be expensive. Note, however, that it is out of stock there; zero quantity available for shipping.
by Dan Knapp
Tue Mar 17, 2020 3:18 am
Forum: Announcements and Site Administration Topics
Topic: Coronavirus pandemic
Replies: 100
Views: 9881

Coronavirus pandemic

This is a bit off topic, but if it is possible that any good might come from the pandemic, a lot of people will be confined to stay home and need something to do. We might expect this to lead to people having time to get back to long neglected fusor projects, so we might see a flurry of new activity...
by Dan Knapp
Tue Mar 17, 2020 2:52 am
Forum: Vacuum Technology (& FAQs)
Topic: Beware of shipping costs!!
Replies: 8
Views: 753

Re: Beware of shipping costs!!

LDS says on their web page that they have free ground shipping for orders over $75. If they charged you for a $100 order, you should call them on it. They formerly offered free shipping to a university address, but changed it a while back to the same $75 minimum order. I’m not happy with their shipp...
by Dan Knapp
Sat Mar 14, 2020 9:58 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Magnetically assisted ionization
Replies: 14
Views: 1536

Re: Magnetically assisted ionization

Hotta's group in Japan did considerable study of this subject in a cylindrical fusor and reported their results at the US-Japan IEC Workshop in College Park, MD, in 2012. Unfortunately, the web site where the presentations at that meeting were posted has since been taken down. They used mutiple coil...
by Dan Knapp
Tue Mar 03, 2020 11:14 pm
Forum: High Voltage - Fusor Input Power (& FAQs)
Topic: Universal Voltronics XRC-60-60N Analog Control
Replies: 0
Views: 605

Universal Voltronics XRC-60-60N Analog Control

A batch of the Universal Voltronics XRC-60-60N -60kV, 60mA power supplies appeared on the used market several years ago when Panalytical switched to using Spellmann supplies in their x-ray equipment and sold off their spares. Being negative polarity supplies with voltage and current suitable for fus...
by Dan Knapp
Fri Feb 28, 2020 12:17 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Fusor V construction - the process long running
Replies: 44
Views: 5805

Re: Fusor V construction - the process long running

Richard, LDS has your needed adapter for $84.00.
by Dan Knapp
Tue Feb 25, 2020 5:24 pm
Forum: Items wanted
Topic: Reliable Mechanical Pump for Fusion
Replies: 3
Views: 791

Re: Reliable Mechanical Pump for Fusion

You can buy a refrigeration pump at your local Harbor Freight in Warwick. You are not going to get 10-5 Torr with a mechanical pump.
by Dan Knapp
Mon Feb 24, 2020 11:17 pm
Forum: Items For Sale
Topic: Deuterium lecture bottles on ebay
Replies: 12
Views: 2190

Re: Deuterium lecture bottles on ebay

The last time I bought deuterium (about two years ago), Cambridge Isotope Laboratories had the best price. They currently list their lowest purity deuterium (98.8%) at $314 for 50 liters. They also offer a 25 liter size for $167. This does not include the shipping charge.
by Dan Knapp
Sat Feb 15, 2020 12:38 pm
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: University on Maryland amateur fusion effort (Cyclotron)
Replies: 7
Views: 1501

Re: University on Maryland amateur fusion effort (Cyclotron)

When I click on the link, it takes me to the University of Maryland Authentication Services and asks for a U.Md. password.