View Full Version : Roasting Question w/regards to Outside Temperature...
MarkinAZ
03-19-2011, 06:30 PM
On the patio this afternoon @ 3:30PM, a pleasant 59*... This is the first time roasting with an outside temp @ 59*.  Usually, its been 80* outside on the patio.
I pre-heated the Poppery II for approximately 2 min and measured out my first batch of Sumatra Grd #1 Mandheling at 3.5oz.
When the Poppery heated up to speed, I dumped the green beans and proceeded as usual.  The 1st crack however did not occur until app the 4min mark (usually its 2:00 to 2:39min).  All in all, I roasted this green bean up to 9:15min to get the following color:
http://i250.photobucket.com/albums/gg271/markinca1953/Pictures004-3.jpg
Which I was pleased with, but I feel it took much longer to achieve due to the outside temp this afternoon.  Any thoughts regarding my attempt at this roast today?
Unfortunately, I had bottled 7oz of this roast in a Mason jar, and while trying to juggle a majority of the equipment inside, the jar slid off and "exploded" on the brickery.  I decided to dump it instead of trying to collect the beans and powdered glass together.  Live and learn, but that's the fun of roasting (or homebrewing):D
Mark, sorry to hear about the bean tragedy.   ;s
Outside temp means alot.  I have one roaster/popper that will barley hit first crack when its real cool outside.  Solution: I put that roaster in a small, shallow box and run another one behind it, blowing hot air into the box.  Now its drawing in warmer air and increasing my roasting temp.  Works very well.
I run this crazy contraption while my better roaster is cooling with a fan blowing into it.
MarkinAZ
03-21-2011, 06:13 PM
Outside temp means alot.  I have one roaster/popper that will barley hit first crack when its real cool outside.  Solution: I put that roaster in a small, shallow box and run another one behind it, blowing hot air into the box.  Now its drawing in warmer air and increasing my roasting temp.  Works very well.  I run this crazy contraption while my better roaster is cooling with a fan blowing into it.
Thanks for the feedback Brent:tu  That's kinda what I was thinking regarding the temp, when one bit of info I'd read mentioned "don't if its 50* and below."  I've seen the box set-up in a "you tube" post without the additional blower unit.  Guess I could modify a box, line it with tin foil and position my daughters hair dryer into the box while "on low" with some sort of modified tubing...:D
I'm sure we can become very creative if we get hard-up enough to roast some beans huh?  Will probably wait for a solid 70* day to roll around for now though.  Thanks again Brent...
Mister Moo
03-21-2011, 06:32 PM
+1: Ambient temp definitely affects popper roast times; the baffle-box warm air recirculate thingie worked well for me, too.
MarkinAZ
03-21-2011, 07:40 PM
+1: Ambient temp definitely affects popper roast times; the baffle-box warm air recirculate thingie worked well for me, too.
Thanks Dan!  Probably works similar to the thingamajig design too:D
Mister Moo
03-22-2011, 05:09 AM
Thanks Dan!  Probably works similar to the thingamajig design too:DPractically identical.
FWIW, A roast time extended to 9-10 minutes is probably going to give fine (or better) results compared to the standard 4-6 minute popper blast.  I see only one divot blown from a bean (three o'clock position) and the roast looks typically mottled (typical Sumatra) and uniform.  The fast, hot popper profile can blast divots in 20-30% of a roast during hot weather and play hell with uniformity, especially with larger beans like the Sumatran; I'd honor the cooler weather and roast with a knowing smile.
I question the efficacy of preheating a popper, whereas, I favor temperature control (i.e. roast time control) by filling a popper with more (hotter) or less (cooler) beans from the start.
I say this sipping a lovely cappuccino made from local fresh roast purchased at Whole Foods this weekend.  :D
RevSmoke
03-22-2011, 03:09 PM
I don't roast with a hot air popper, but with a Fresh Roast 8, so I don't know how to respond.
I am sorry to hear about your dropping your roasted beans.
God's blessings.
floydpink
03-22-2011, 04:19 PM
Practically identical.
FWIW, A roast time extended to 9-10 minutes is probably going to give fine (or better) results compared to the standard 4-6 minute popper blast.  I see only one divot blown from a bean (three o'clock position) and the roast looks typically mottled (typical Sumatra) and uniform.  The fast, hot popper profile can blast divots in 20-30% of a roast during hot weather and play hell with uniformity, especially with larger beans like the Sumatran; I'd honor the cooler weather and roast with a knowing smile.
I question the efficacy of preheating a popper, whereas, I favor temperature control (i.e. roast time control) by filling a popper with more (hotter) or less (cooler) beans from the start.
I say this sipping a lovely cappuccino made from local fresh roast purchased at Whole Foods this weekend.  :D
Love Whole Foods Roast but am wondering if you have retired from roasting>>???
Mister Moo
03-22-2011, 04:42 PM
Mom lived with us the last two of her nearly 98 years.  She passed away last Oct. and it's time to get back to roasting again.  A lot of things went by the wayside while she was in our care - roasting was expendable.  I'll be back on the program this weekend.  :)
floydpink
03-22-2011, 05:17 PM
I remember you saying you were taking time off, glad to hear you're back and my sincere condolences for your loss.
SD Beerman
03-22-2011, 05:24 PM
I roast with the old style crank popper. Works great and temp does alter the roasting time and I like being in control of the roast. 
Those beans look great too bad you had to sacrifice the others ......;s
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