HomeRoast Digest


Topic: HotTop control (5 msgs / 189 lines)
1) From: Jeffrey Pawlan
Answering your last question first,  HotTop never came out with their 
higher capacity model. They promised it for years but it never 
appeared.
I spent several years developing the computer controlled roaster (CCR) 
which was based on a highly modified HotTOp.  It works flawlessly. 
While doing extensive experimentation, I found that the airlow within 
the HotTop is not great.  I experimented with continuously 
variable fan speed and found that it is truly best to leave it at 
full speed all the time.
Although I stopped the manufacture of the CCR systems, there is one 
owner who has retired from drinking coffee owing to medical reasons. 
He is willing to sell his through me as I would need to do a full 
refurbish and re-calibration and then compile new software for it.
For a description, see computercontrolledroaster.com
Regards,
Jeffrey Pawlan
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2) From: Kevin Lauer
Thanks Jeffrey for the information!
That 1kg Probatino on your website looks exactly like what I envision upgra=
ding to after I build a garage (after a deck, after a fence, etc.) I guess =
that =
backyard shed you put yours in is sufficient for Southern California climat=
e. I'm hopefully planning an insulated, temperature & humidity controlled r=
oasting room for Maryland summers and winters.
I will contact you directly regarding the Hottop CCR.
Thanks again,
Kevin
 From: Jeffrey Pawlan 
To: homeroast =
Cc: kevinlauer26 =
Sent: Monday, February 4, 2013 1:37 PM
Subject: Re: HotTop control
 =
Answering your last question first,  HotTop never came out with their hig=
her capacity model. They promised it for years but it never appeared.
I spent several years developing the computer controlled roaster (CCR) whic=
h was based on a highly modified HotTOp.  It works flawlessly. While doin=
g extensive experimentation, I found that the airlow within the HotTop is n=
ot great.  I experimented with continuously variable fan speed and found =
that it is truly best to leave it at full speed all the time.
Although I stopped the manufacture of the CCR systems, there is one owner w=
ho has retired from drinking coffee owing to medical reasons. He is willing=
 to sell his through me as I would need to do a full refurbish and re-calib=
ration and then compile new software for it.
For a description, see computercontrolledroaster.com
Regards,
Jeffrey Pawlan
Homeroast mailing list
Homeroasthttp://lists.sweetmariascoffee.com/mailman/listinfo/homeroast_lists.sweetma=riascoffee.com
Sweet Maria's Forum
Our new Coffee Library

3) From: Mike Chester
Kevin,
I have had my CCR Hottop for several years now and am extremely pleased with 
its performance and durability. If I did not already have one, I would jump 
on the chance to buy the one that Jeffrey is offering. As someone who has 
spent my life working in the electronics and engineering field, I can say 
with some authority that Jeffrey's design and constructions are excellent. I 
have worked on multi-million dollar machines with less care in their design. 
Jeffrey is a perfectionist and it shows in the CCR. He individually 
calibrates each one and adjusts its program for the individual variations in 
parts. My program would not work in your machine. I bought my CCR used and 
the previous owner used it to supply a coffee shop so it ran continuously. 
When I first got it, I replaced the heating element as all that use warped 
the old one. That is the only service I have done in 4+ years. All I have to 
do is blow out the chaff after each roast. (I remove the chaff tray and dump 
it; then blow air down the bean chute which blows the remaining chaff out 
the tray's slot.) I run about 7-10 loads in a row about once or twice a 
month.
I have written lots of roast profiles, so if you buy it and need some to try 
out, contact me off-list and I will send some to try.
Mike

4) From: Starfinder Stanley
So totally unfair to show us the CCR mod while telling us that you no
longer make the system!
On Mon, Feb 4, 2013 at 1:27 PM, Mike Chester  wrote:
<Snip>
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5) From: Jim Jones
I have been using the B model since Sept, 2010.  Times of stages of 1st and
2nd crack seem to vary up to a minute or so, from roast to roast, even with
equal batch weights.  Seems to me, that being able to manually alter heat
and fan settings, in synch with these variatons, would consistently give
the best roasts.
-- 
Jim D Jones
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