[time-nuts] CS reservoir depletion

J. Forster jfor at quik.com
Thu Jan 13 16:24:26 UTC 2011

As I said last go-round, I think the chances of rebuilding an HP Cs tube
are slim to none.

BUT, if you were really dedicated, I think you could build up the physics
package from pretty much standard stuff, like the Kimball Physics gun
parts and Conflat SS vacuum hardware, etc.  Check Duniway.

I'd start by reviewing the old, academic papers. Much of the electronics
can be bought on eBay as instruments now.

Yes, it'd be refrigerator size, but it is do-able, IMO.





> You might find it interesting to look up the vapor pressure of
> cesium at room temperature.
> To get the cesium to transport from where it has deposited to your
> cold corner would require heating the whole tube up to where the
> cesium would vaporize.  I can't help but think that heating everything
> in the tube that hot might cause other collateral damage... and the
> cesium would certainly go and plate out on even more exciting places
> than it did in normal operation.  That might not be a good thing.
> I think this is a pay-to-play sort of thing.  If you want to play
> with a C-beam, you are going to have to pay.  If you want one that
> works like new, unless you are lucky, you might have to pay a lot.
> -Chuck Harris
> Neville Michie wrote:
>> It sounds like you need to dip a corner of the device in liquid nitrogen
>> and allow the metal to evaporate and condense in the cold corner.
>> Or is it sublimation.
>> I do not know how long it would take.
>> cheers, Neville Michie
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