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
Date: Mar 20, 8:17 pm
Poster: IJV

On Mar 20, 8:17 pm, IJV 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.

What about sealing difficulties?. e.g if you made a chamber out of 2 half spheres for instance. Does the greater distance you have to seal over present any extra difficulties as you increase the size of the chamber?