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: A heretical thought
Poster: Jim Lux

On , Jim Lux wrote:

>BTW is creating a hard vaccum in a large sphere more difficult compared to a smaller sphere?.

yes.. more surface area to outgas.. Other than that, and once baked out, large chambers aren't particularly harder. You'll need a bigger pump.
I work about 100 meters from a chamber that is 30 meters high and 10 meters in diameter with the most gigantic diff pumps I've ever seen.