[Homeroast] Vac Pot snap crackle pop

Ben Treichel J.W.Bullfrog at gmail.com
Tue Mar 11 09:53:35 CDT 2014

Fatigue Crack aka; Stress from heat cycling..

On Tue, Mar 11, 2014 at 9:33 AM, Dennis True <dennist3 at gmail.com> wrote:

> ok so my Vac pot which sees 5-7 pots a week off and on for the last 6 years
> was brewing a pot and everything was fine about 1/2 way thru the draw down
> it started popping and snaps etc...     I pulled the top and got the coffee
> I could out and took a look I now have a fat cresent crack on it
> I know we got some sciency types here can anyone tell me why this happened?
>   grind was same as last 200 or so takes about 45 sec-1 min for draw down
>  heat was same stove on Med until water was 1/2 up then turned off and the
> remainder coasts up  water is up for 1 min-1.5 min then I move it off of
> heat on to a cloth placemat  just like every day
> thoughts?
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