[time-nuts] FE-5680 frequency jump
Bob Smither
smither at c-c-i.com
Sat Apr 6 14:05:16 EDT 2013
On 04/06/2013 08:39 AM, Jim Lux wrote:
> On 4/6/13 6:08 AM, Lester Veenstra wrote:
>> Any TimeNutter worth his/her salt can do that..right!
>>
>
> $100 Presto 23 qt canning style pressure cooker, electric heating elements,
> thermocouple probes, some fiberglass insulation to reduce conductive losses.
>
> Do it in your backyard and have a straw broom handy to detect hydrogen fires.
>
> Be careful.. 400C is getting close to 660C aluminum melting point. I'm also not
> sure the gasket in the pressure cooker can take that temperature.. you might
> want to replace it with something else.
>
> Here's the reaction vessel:
> http://www.target.com/p/presto-23-quart-aluminum-pressure-cooker-canner/-/A-660065#prodSlot=medium_1_5
>
>
>
> Now, if it's the 1000C+ that Magnus mentioned, that's a bit trickier.. Probably
> need a ceramic container.
>
>
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>
I had use for a kiln recently - found a very reasonable priced one at Vulcan Kilns:
http://vulcankilns.com/
I got the JK-1 - 2250F (1232C) max temp. Easy to use benchtop unit. I added an
inexpensive thermocouple controller unit to improve the temperature control.
Has been very useful in annealing some metal springs for a project.
I have no relationship with Vulcan other than being a satisfied customer.
--
=========================================================================
Bob Smither, PhD Circuit Concepts, Inc.
"Every election is a sort of advance auction sale of stolen goods."
-- Libertarian H.L. Mencken
Smither at C-C-I.Com http://www.C-C-I.Com 281-331-2744
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