[Homeroast] On Topic: Popper-Roasting

miKe mcKoffee mckona at comcast.net
Thu Jul 11 11:43:29 CDT 2013


Yup like old times - including I was so "brain" dead turned to "bread"
pudding!

Slave to the Bean miKe mcKoffee
www.CompassCoffeeRoasting.com
URL to Rosto mods, FrankenFormer, some recipes etc:
http://www.mckoffee.com/

Ultimately the quest for Koffee Nirvana is a solitary path. To know I must
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found exploring the many divergent foot steps of Those who have gone before.

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-----Original Message-----
From: Homeroast [mailto:homeroast-bounces at lists.sweetmariascoffee.com] On
Behalf Of John Nanci
Sent: Thursday, July 11, 2013 8:28 AM
To: A list to discuss home coffee roasting. There are rules for this
list,available at http://www.sweetmarias.com/maillistinfo.html
Subject: Re: [Homeroast] On Topic: Popper-Roasting

E-gads, this is like old times.  Loving it.

To my knowledge, nichrome (or any resistive heater) does not 'tire out' to
any noticeable degree.  They fail, but that's it.  So you can take that off
the table.

My basic take is that you should continue to reduce the air flow to the
point it is just able to keep the beans lofted.  If you are already there,
then instead of increasing bean mass, you may need to lower bean mass.  I
know often you increase mass to reduce loft, but in your case, that is
already covered with the fan.  If you have a low fan, and heat at maximum,
the only other place to go is reducing the amount of heat needed.

BTW, which popper are you using?  And what is your initial bean mass?  And
are you tilting your popper or is it flat?

John

At 10:09 PM 7/10/2013, you wrote:
>Greetings, group,
>
>I am currently using a modified popper (Independetly-controlled Heat 
>and Fan with Bean Mass Temperature Probe) and have a question about 
>optimal  adjustment of the Fan Speed.  I haven't had much in the way of 
>guidance, but have found some discussion of Fan Speed in respect to 
>Bean-Lofting, so I've started roasts with enough fan to loft the beans 
>and reduced fan as the beans lose weight (in order to keep them from 
>being blown out)  Lately, I seem to be noticing difficulty in reaching 
>a target Bean Mass Temperature and wonder if I should increase or 
>decrease fan speed to speed the roast to its conclusion.
>I am considering the possibility that the heater element is tiring out, 
>and also considering increasing batch-size.
>
>I would be greatful for any experience-sharing offered, and would also 
>be happy to see the list turn away water-gazing, at least for awile.
>
>Happy Roasting,
>
>robert yoder
>
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