HomeRoast Digest


Topic: Downside of the Behmor Door Dance (8 msgs / 113 lines)
1) From: Robert Yoder
Greetings,
 
It has taken so long, and still I'm pretty nowhere, in terms of roasting knowledge. (But the current nowhere is vastly better than the past nowheres, and so it goes).
 
Now I try to use the different Behmor Profiles (described as Procrustean) as ramps; P1 is full on, P2 is broken full-on, Ps  3, 4, and 5 are more gradual slopes of heat increase.  Having chosen a ramp, I then simply watch and listen. At first crack, I start opening and closing the door while watching the oven-temp gauge I put in the drum to be sure there is no BT drop.  I find that I must hold the door a bit open a substantial time, trying to postpone Second Crack.  When I can postpone C2 no longer, I hit cool and hold the door ajar in order to expedite cooling, using a kitchen towel to sort of catch any flying chaff.
 
Here's the thing:
 
Before I started this sort of messing-around with the Behmor, my house never smelled like roasting coffee (professional Range Hood immediately over roasting platform).  Now, it is something to deal with.  So I deal with it, and continue to learn this lovely stuff.  
 
But in the meantime, anyone wishing to mess with the Behmor will have to deal with the functionality of the Afterburner.  When I let the roaster be itself, the afterburner did its job beautifully, but if we are going to try to slow down the roasts so quickly by opening the door, the afterburner can't really do its job.  If we try to stretch intercrack interval by lowering the heat electronically, the changes to the bean mass will be slower, but at least the afterburner will function.
 
Even with a quarter-pound batch, I can still stink up the neighborhood a little, for a bit, by doing the door dance.
 
FWIW,
 
Happy Roasting,
 
robert yoder
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2) From: phil.palmintere
"...   I find that I must hold the door a bit open a substantial time, trying to postpone Second Crack.  When I can postpone C2 no longer..."
Perhaps thinking about baseball might help delay things.  Or so I'm told.  :)
Sent via BlackBerry by AT&T
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3) From: Lynne
for the sake of my computer screen I'm glad I was drinking any coffee...
lmao
On Wed, May 25, 2011 at 11:29 AM,  wrote:
<Snip>
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4) From: Yakster
Exactly why I roast in the garage... and I picked up a range hood at a
Thrift Store to help vent the smoke out (still need to install it).
On Wed, May 25, 2011 at 12:46 AM, Robert Yoder wrote:
<Snip>
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5) From: John Monteleone
I just started roasting with the Behmor.  I've been using the p4 profile.
The time between first and second crack has been around 1:50.  I'm not sure
I understand the impact of extending the time between cracks.   Can anyone
explain?
On Wed, May 25, 2011 at 10:47 AM, Yakster  wrote:
<Snip>
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6) From: Scot Murphy
On May 26, 2011, at 12:06 AM, John Monteleone wrote:
<Snip>
A longer time allows the sugars to develop and caramelize, giving much richer flavor.
Scot "just did the Behmor door dance a few minutes ago" Murphy
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7) From: John Monteleone
Got it.  How long do you try to extend the time between first and second
crack.
On Wed, May 25, 2011 at 9:46 PM, Scot Murphy  wrote:
<Snip>
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8) From: Scot Murphy
On May 26, 2011, at 1:32 AM, John Monteleone wrote:
<Snip>
I try to give it three to four minutes. Any longer and I'm afraid I'll bake the bean.
Scot "being baked isn't always bad" Murphy
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