Creating first demo fusor here, and have a choice between 2 pumps that i can buy without ordering online.
This one with a 75 micron max:
http://www.harborfreight.com/25-cfm-vac ... 98076.html
or this one for an extra 50 but with a 25 micron max:
http://www.harborfreight.com/two-stage- ... 66466.html
also, any suggestions as to a cheap, yet reliable outer chamber for my fusor?
Many thanks!
-James
First demo fusor vacuum pump
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chad ramey
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Re: First demo fusor vacuum pump
James,
Take a look through the vacuum FAQs. Lots of new people come on the forum and ask questions about these same pumps and frankly, always get the same answer. So, I highly recommend looking through other posts to find the wealth of knowledge that is really stored on this site.
I will tell you however, that these pumps will work for a demo fusor but will not function very well for a fusor at fusion power levels and vacuum levels. I recommend checking around ebay for a good used two stage pump like a Welch 1400.
Best of luck,
Chad Ramey
Take a look through the vacuum FAQs. Lots of new people come on the forum and ask questions about these same pumps and frankly, always get the same answer. So, I highly recommend looking through other posts to find the wealth of knowledge that is really stored on this site.
I will tell you however, that these pumps will work for a demo fusor but will not function very well for a fusor at fusion power levels and vacuum levels. I recommend checking around ebay for a good used two stage pump like a Welch 1400.
Best of luck,
Chad Ramey