HomeRoast Digest


Topic: Cooling It (2 msgs / 48 lines)
1) From: Jim Friedlander
As one who suffers from a severe case of HTE (HotTop Envy), I decided to
try to convert my FreshRoast+ to a HotTop.  Well, not really, but I did
read Tom's post about proper cooling of roasted beans.  So, off to the
hardware store to purchase a 6-inch fan.  After I'm done roasting, the
beans are poured into a collander which now if placed in front of this
new fan.  I swirl the collander around, and the beans cool in about 3
minutes to a point where they actually feel cooler than room
temperature.
A couple of questions about cooling:
1).  Is it possible to cool beans to quickly using a fan?  Will there be
some adverse taste consequences?
2).  Will it hurt the FR+ to skip the FR+'s cooling cycle, that is, once
the beans are roasted, switch the FR+ off, dump the beans into the
collander and commence fan cooling
3).  Is there life after HTE?
Thanks,
jim
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2) From: Ken Mary
If beans are cooled by room air, they can only be greater than or equal to
room air temp. Feeling is often misleading.
I have been looking at popper motor temperatures recently. On an old Presto
popper, the rear bearing temp was near 180F after about 5 minutes running on
25 vdc. The housing was cool just after shutoff, but in a few minutes the
heat migrated outward and it became too hot to touch, near 135F.
I believe that the roaster should run through the cooling cycle. Empty out
the beans if you want, but let the roaster (and motor) cool off.
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