coffee roasting

Equipment: iRoast

All coffee from Gainesville's Sweetwater Organic Coffee Company.

Boldface recipe denotes best roast so far for bean type.

Roasts (1 cup green beans / roast unless otherwise noted):

Tanzania I (6.January, 2006)
specifics: 400F for 3', 425 for 3', 445 for 2'15", cool-down for 4'.

Tanzania II (6.January, 2006)
specifics: 395F for 3', 420 for 3', 440 for 2'15", cool-down for 4'.

Papua New Guinea (9.January, 2006)
specifics: 395F for 3', 415 for 3', 440 for 4'20", cool-down for 4'.

Brazil (Yellow) (9.January, 2006)
specifics: 440F for 5', 400 for 4', 430 for 30", cool down for 4'.

note: smoke started almost immediately after the third stage began. Next time try to shorten the second stage.

Yrgacheffee (16.January, 2006)
specifics: 395F for 3', 420F for 3', 440F for 3'30", cool down for 4'.

cupping notes: grapey

Timor (16.January, 2006)
specifics: 380F for 4', 415F for 2', 450F for 3'30", cool down for 4'.

note: 1 cup is too much for the iRoast: the Timor beans increase greatly in size.

Sumatra (20.January, 2006)
specifics: 390F for 3', 420F for 3', 440 for 2', cool down for 4'.

note: a bit darker than "full city" try to decrease the last stage by 1'.

cupping notes: A bit of thin, mid-tongue bitterness. Maybe too dark. Might be good mixed with a darker roast.

Brazil II (20.January, 2006)
specifics: 440F for 5', 400 for 3' 430 for 1', cool down for 4'.

note: almost burnt; maybe reduce second or third stage.

Yrgacheffee 2 (24.January, 2006)
specifics: 395F for 3', 420F for 3', 435F for 1'40", cool down for 4'.

note: a shade lighter than full city

Tanzania 3 (24.January, 2006)
specifics: 395F for 3', 420F for 3', 435F for 1', cool down for 4'.

note: WARNING: USE SLIGHTLY LESS THAN 1 CUP -- BEANS EXPAND. Smoke at about 40" into stage 3; beans aren't extremely dark, but they have a very shiny surface.

Light Kenya (31.January, 2006)
specifics: 395F for 3', 420F for 3', 435F for 3'30", cool down for 4'.

notes: a shade too light, needs maybe 4' at 440F for stage 3.

cupping notes: winey, well-steeped green tea.

Sumatra 2 (2.February, 2006)
specifics: 390F for 3', 420F for 3', 440 for 1', cool down for 4'.

note: a bit too light -- try 1'30" in the final stage.

Peru Norte (2.February, 2006)
specifics: 440F for 5', 415F for 2'50", cool down for 4'.

note: Beans expand; use less than 1 cup. I went to the cool-down after smoke started -- might decrease the first stage by 1' or 1'30".

Timor 2 (9.February, 2006)
specifics: 385F for 3', 425F for 4', 455F for 1'30", cool down for 4'.

note: one cup worked fine.

Timor 3 (9.February, 2006)
specifics: 385F for 3', 425F for 4', 455F for 1'15", cool down for 4'.

Moka Harrar (12.February, 2006)
specifics: 385F for 3', 425F for 4', 455F for 3', cool down for 4'.