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My current corretto roast profile
greencardigan
I did a 500g roast this evening in my corretto and recorded the roast profile and roast controller details. It was 300g Costa Rica, 100g each of Java and Sumatra.

Any comments on the profile? I'm getting 1st crack at about 190 deg C. On my popper it was normally around 200 deg C.

www.greencardigan.com/misc/corretto/500g_corretto_roast_graph.JPG
seedlings
You have a nice profile there, especially between 1C and 2C, where it can be tough to level off- very nice. I usually like to get to 300F (150C) in 3 to 4 minutes, but that's personal preference.

How does it taste? That's the key!

CHAD
Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500
Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover
greencardigan
I had my 1st cup at about 20 hrs. It tasted good but a bit too fresh. This mornings cup (40hrs) was very nice.

Any idea why i'm getting 1st crack at a measured 190 deg C (374 F) and second crack at about 215 C (419 F). These temps seem a bit low??
Edited by greencardigan on 01/09/2011 11:24 PM
seedlings

Quote

greencardigan wrote:
Any idea why i'm getting 1st crack at a measured 190 deg C (374 F) and second crack at about 215 C (419 F). These temps seem a bit low??


Probably just a matter of where/how your temp probe is located. Move it a little up or down and the reading will vary, and it could be that the popper probe was more in the hot air flow than the bread maker. Temps can vary on different beans too. None of this is anything to worry about, especially if the readings are consistent from roast to roast. For example if first crack is sometimes 190, sometimes 205, sometimes 180 for the same bean type... that might be troublesome, but if it's regularly 190 +/- 5 degrees, then I wouldn't worry at all.

CHAD
Roaster: CoffeeAir II 2# DIY air roaster
Grinder: Vintage Grindmaster 500
Brewers: Vintage Cory DCU DCL, Aeropress, Press, Osaka Titanium pourover
greencardigan
I thought that might have been the case. It's been +/- 2 degree every time so far.
Unta
1st crack for me is 400 +/- 5 degrees .
sean
Sean Harrington
educate.
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