[time-nuts] Thermal insulation choice?

Brooke Clarke brooke at pacific.net
Fri Jan 6 20:00:04 UTC 2012


Hi John:

Michaels has Styrofoam, hot wire cutter and glue.

Have Fun,

Brooke Clarke
http://www.PRC68.com
http://www.end2partygovernment.com/Brooke4Congress.html


John Ackermann N8UR wrote:
> I am looking for a readily available (from Home Depot or other local source) insulating material to use in a chassis 
> that's housing a sensitive OCXO.  My goal is just to slow down any external thermal transients so the oven loop has 
> time to react gracefully.
>
> I'm thinking of something in sheet form that I could glue to the inside bottom and side of the metal chassis.  The 
> trimmed sheet sizes will each probably end up being around 4 x 8 inches.  I have enough clearance for a thickness of a 
> half inch or so.  I'd like to avoid a bat material as that would be hard to mount neatly.
>
> Long lifetime (ie, not getting all crumbly after a few years) is important as I don't expect this oscillator to get 
> cold until I do.
>
> Any suggestions of a material to look for?
>
> Thanks,
>
> John
>
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