Fusion Message Board

In this space, visitors are invited to post any comments, questions, or skeptical observations about Philo T. Farnsworth's contributions to the field of Nuclear Fusion research.

Subject: Re: Vacuum technology and costs
Date: Apr 20, 5:06 pm
Poster: Jim Lux

On Apr 20, 5:06 pm, Jim Lux wrote:

>Yeah, I know your would like to see me use an oil-less system! I would like to see me use an

What about an ion pump? Clean, oilless, etc. I haven't actually opened one up, but rebuilding it shouldn't be all that hard for one skilled in the usual tinkering skills. At least it pumps H2, unlike a cryopump.

The other idea suggested to me was a dual sorption pump: while one is cooling and sorbing, the other is baking out to the roughing pump.