Search found 236 matches

by richnormand
Sat Oct 06, 2012 5:28 pm
Forum: Images du Jour
Topic: Archived - 2012 HEAS EVENT & Photos
Replies: 17
Views: 9331

Re: 2012 HEAS Photos

Hope to be there next year!
Thanks for the pix Frank.
Cheers.
by richnormand
Fri Sep 14, 2012 8:27 pm
Forum: Fusor Construction & Operation (& FAQs)
Topic: Is there any possible replacement for platinum wire in the electrolysis process?
Replies: 10
Views: 4367

Re: Is there any possible replacement for platinum wire in the electrolysis process?

<t>Have a look on e-bay for small amounts of platinum wire.. <br/> <br/> I got several lengths from there in the past.<br/> Several vendors will sell from 1cm to several meters with assorted diag available (0.5mm being popular).<br/> <br/> Fortunately my application was not with a fusor so the horro...
by richnormand
Wed Mar 28, 2012 7:09 pm
Forum: Vacuum Technology (& FAQs)
Topic: Simple turbo pump controller
Replies: 54
Views: 41311

Re: Simple turbo pump controller - CONNECTORS

Got a few yesterday. Many thanks for the e-bay link Andrew.
by richnormand
Sat Dec 31, 2011 9:06 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Optical Coupling Fluid
Replies: 5
Views: 3481

Re: Optical Coupling Fluid



I'll look in getting a tube of that stuff but also want to see how easy it would be to remove and separate the two surfaces if need be. Probably OK for small xtals but might be an issue separating a 5" PMT from a plastic scintillator?

Thanks for the info.
by richnormand
Sat Dec 31, 2011 6:22 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Optical Coupling Fluid
Replies: 5
Views: 3481

Re: Optical Coupling Fluid

<r>I use radio-controlled car differential silicon fluid for this. Got the hint from a forum member. The RC fluid is available at hobby shops in several viscosities, all with an index suitable for optical coupling. The high visosity is quite stable and stays put. I have several BGO crystals mated to...
by richnormand
Fri Nov 25, 2011 11:32 pm
Forum: Other Forms of Fusion - Theory, Construction, Discussion, URLs
Topic: Neutrino's still going too fast
Replies: 11
Views: 5911

Re: Neutrino's still going too fast

<r>Jeroen Vriesman wrote:<br/> > Would be great if it was possible to somehow use a natural source of neutrino's and measure the speed on a galactic scale.<br/> <br/> <br/> You might be interested in this measurement for a supernova explosion:<br/> <br/> <URL url="http://www.physicscentral.com/explo...
by richnormand
Sun Sep 04, 2011 11:26 pm
Forum: Neutrons, Radiation, and Detection (& FAQs)
Topic: Photomultiplier Tube Questions
Replies: 12
Views: 4760

Re: Photomultiplier Tube Questions

<t>1)<br/> This old RCA book is indeed a superb reference for PMTs.<br/> 2)<br/> If the tube is intended for blue film scanning that would make sense. NaI scintillator use (as implied from the spec sheet) the blue filter might be to remove longer wavelength leakage too since many scintillators emit ...
by richnormand
Mon Aug 29, 2011 2:07 am
Forum: Images du Jour
Topic: Archived - West Coast HEAS Realtime Pictures
Replies: 13
Views: 5972

Re: West Coast HEAS Realtime Pictures

<t><br/> Thank for the pix!<br/> <br/> I do recognize a few faces but would you consider putting figure captions (if people in the pix are comfortable with that) with the names under the photos? That would be nice for the few of us that "interact" via the forum but never got the opportunity to reall...
by richnormand
Tue Jul 05, 2011 9:29 pm
Forum: Vacuum Technology (& FAQs)
Topic: Diffusion Pumps 101
Replies: 25
Views: 11231

Re: Diffusion Pumps 101

<t>Would one or two computer CPU fans with a metal shroud following the curve of the main body be adequate? If not a ThermalTake liquid CPU cooler might do, with a small copper tube spiral on the outside.. It comes with its own pump, radiator liquid-to-air heat exchanger and all the trimmings. I use...