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: Hirsch device info
Date: Jul 26, 09:07 am
Poster: Richard Hull

On Jul 26, 09:07 am, Richard Hull wrote:

>The reason I asked was that I have a paper by Robert L. Hirsch that claims that the Mark series devices with the Ion guns had reached 10E11 n/s.
>That is higher than most people though the Mark series had accomplished.
>The article is a scientific article and makes refrence to the Farnsworth patents.

This is indeed correct. But this was only after the old mark series was charged with the D-T mix! The expense of replecating the final mark series device would today be in the neighborhood of $500,000 and would require tight licensing restrictions for tritium. The Hirsch-Meeks gunless system would be far less than $20,000 with all pumps, etc. A talented and well equipped amateur vacuumist could do the thing for under $2,000.

Richard Hull