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Topic: alpenrost downtime (9 msgs / 180 lines)
1) From: Fookoo Network
How long does the Alpenrost have to cool down in between roasts ?  Or 
another way of putting it, is about how long would it take to do two 8 oz 
batches after the second roast is finished, assuming 16 minutes per 
roast?   I am aware of the reported roasting differences between the HWP 
and the Alp, but am wondering if the Alp is all that much faster in terms 
of saving time.  I figure that the HWP can possibly do five 3 oz roasts in 
a little over an hour, approx 65 to 70 minutes total.
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2) From: Robert Cantor
I don't leave any time, but it cools down a lot while I finish cooling and
packing my finished roast.
Bob C.

3) From: aryaniam
Swissmar recommends 30 minutes, 20 should be adequate.  I would blow out the
chaff and let it cool at least for 20 minutes.  Some people have started
right up again after about 5 minutes.  I'm not sure if I  would do this as
this might cause overheating.  I trust the manufacturer on this one.
Frank from Texas

4) From: coffenut
A 16 minute total roast time on a Alp would be a pretty hot calibrated Alp
considering you have 5 of that 16 minutes dedicated to the cool down cycle.
I have a "hot" Alp and on average run about 20 minutes total roast time.
I've played a bit with back to back roasts.  If I only allow a few minutes
between roasts (enough time to clean the unit and prepare for the next
roast), the following roast's 1st crack time will be shortened by a minute
or two.  I built a smoke exhaust chamber fitted with a bathroom vent fan to
exhaust the smoke and allow the fan to run continuously until I've completed
all my roasts.  I've found that this fan completely cools the Alp down in
about 20 minutes and then I start another roast.  In a pure roast race, the
Alp is not likely to be the winner.  In a taste race, I think it wins hands
Coffenut  :^)
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5) From: Ed Powers
I've always started it right back up then sent it directly into another
cooling cycle after a roast -- then did the next roast afterward.

6) From: Paul Goelz
At 04:48 PM 1/27/2001 -0800, you wrote:
I don't think you have to cool it at all if you can accept a shorter roast
time for the second roast.  In fact, I have been pre-heating mine before
the first roast.... it seems to make all the roasts more consistant.  With
a pre-heated Alp, I get  nice full city on a setting of 1 or 2 with an 8
oz. load.
Paul Goelz
Rochester Hills, MI
pgoelz at eaglequest dot com
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7) From: Don Parkhurst/Katherine Bartel
How long do you preheat your Alp for? I roast indoors with a dryer vent
feeding out the window, but have been toying with the idea of pre-heating
the Alp and trying it outside.  Today it was 12 Celsius, which is somewhere
around the mid fifties Fahrenheit, so a pre-heated Alp shouldn't stall the
roast with those conditions, I think.
 I seem to have a "cold" Alp.  I have to use a setting of 15 to get to full
city and then it only works with certain beans such as Ethiopian Sidamo.
Columbian Supremo doesn't get beyond city.  I have been thinking about
preheating to go a little farther into the roast as I generally like a full
city or a tiny bit farther.
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8) From: Paul Goelz
At 09:59 AM 1/30/01 -0800, you wrote:
I let it run minus the drum, until I hear the heater start to cycle on and
off.  I then shut it off, open it, insert the drum, and begin the roast.
Pre-heated indoors, I get the same roast level at 1 as I used to get at 12.
 So far, it has been a bit more consistant too.  
Paul Goelz
Rochester Hills, MI
pgoelz at eaglequest dot com
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9) From: Dan Piette
I have a "cool" Alp as well. I was not able to get some beans to the second
crack (notably monsooned malabar. Seehttp://www.geocities.com/piettewtnet/oddroast.html)so I started
pre-heating. First, I ran the machine for about 3 minutes and then let it go
through a cool down cycle. It made little difference. Then I started running
the machine for about 10 minutes and unplugging it. (Man! IT got hot!) I got
a fast roast, but sour espresso (I have a Silvia). Finally, my SOP now is
that I run the machine for about 10 minutes, let it run through its cool
down cycle, and then roast immediately. I am very happy with these results -
I can roast any bean, and use the full 225g capability.

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