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Homeroasters - Home Roasting Coffee Community » THE ART OF ROASTING COFFEE » Roasting Coffee

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Scott Rao and Browning Phase with Artisan
oldgrumpus	#1 Posted on 01/25/2022 8:19 PM
1/2 Pounder Posts: 216 Joined: July 25, 2012	I'm not particularly technical when it comes to software and the deeper capabilities of Artisan roast logging software (which is what I use). But I do love Artisan and the way it shows me what percent of roasting time is spent in the different phases, but it seems to me that it should be able to read out in real-time while roasting during the last phase. The parameters that Scott Rao suggests for the browning phase could be "nailed" every time. His recommendation is 20-25 percent in the last phase which, for me, has been a bit of a crap-shoot. To achieve 20% during the end phase, it means 80% would be achieved when first crack is reached. At that point, a prediction can be made for a time-based bean drop. If 25% of the time spent in the last phase is the goal, then the first crack time is equal to 75% of the roast. If anyone knows how to get Artisan to readout percentage in the last phase to be in real time, please post it here. Preferably in simple language. I have created a spread sheet to refer to with regards to this question. When I get confirmation on my first crack time marker, I can look at the chart and see a time for the drop. The spreadsheet shows 3 times, one for 20%, one for 22-1/2% and one for 25%. It's not an Artisan solution, but it'll work till I can get an answer regarding my software question... Link to chart. https://airtable....urce=email Edited by oldgrumpus on 01/27/2022 8:08 PM Clever Coffee Dripper Grinder: Macap M4 Roaster: Completed drum roaster project photos shown here: Photos https://goo.gl/ph...Da6K4wfqw5 Videos https://www.youtu...Bd1NrdpSUH


CK	#2 Posted on 01/25/2022 9:11 PM
1/2 Pounder Posts: 250 Joined: December 07, 2018	If I understand what you are asking, you can try this if you haven't already. See the image for reference. Select Config, then Phases, then select Percentage from the drop-down menus Also, be sure to set your machine's relevant Drying, Maillard, and Finishing temperatures. CK attached the following image:


oldgrumpus	#3 Posted on 01/25/2022 11:06 PM
1/2 Pounder Posts: 216 Joined: July 25, 2012	My drop downs are set to "temperature". Are you saying that if they are set to percentage, that it will display in real time during the roast? Mine looks like this before changing anything. oldgrumpus attached the following image: Edited by oldgrumpus on 01/25/2022 11:13 PM Clever Coffee Dripper Grinder: Macap M4 Roaster: Completed drum roaster project photos shown here: Photos https://goo.gl/ph...Da6K4wfqw5 Videos https://www.youtu...Bd1NrdpSUH


renatoa	#4 Posted on 01/26/2022 1:54 AM
Administrator Posts: 3011 Joined: September 30, 2016	Quote Just clicking the phases LCDs with the right mouse button switches from time to percentage mode Bottom of page here: https://artisan-r...-lcds.html


CK	#5 Posted on 01/26/2022 9:54 AM
1/2 Pounder Posts: 250 Joined: December 07, 2018	Quote oldgrumpus wrote: My drop downs are set to "temperature". Are you saying that if they are set to percentage, that it will display in real time during the roast? Yes, they should. You'll have to tick the box for "Phases LCDs" on the Phases menu for them to display while roasting.


oldgrumpus	#6 Posted on 01/26/2022 1:41 PM
1/2 Pounder Posts: 216 Joined: July 25, 2012	Thanks all! I'll make the changes and try it out! Clever Coffee Dripper Grinder: Macap M4 Roaster: Completed drum roaster project photos shown here: Photos https://goo.gl/ph...Da6K4wfqw5 Videos https://www.youtu...Bd1NrdpSUH


zeece	#7 Posted on 01/27/2022 1:48 AM
Newbie Posts: 6 Joined: March 26, 2007	Quote Just clicking the phases LCDs with the right mouse button switches from time to percentage mode Correct. The LCDs will cycle through each of the modes with right clicks. Another way: check the box under Phases LCDs All on the Phases dialog. When FCs is recorded the Phase LCDs will change to show the time since FCs, the temperature rise above FCs and the development time ratio as a percent. Want to plot the development time ratio as a curve so after the roast is complete you can look back to see what it was at all times after FCs? That is possible too. Also, events can be annotated to show the development time ratio at the time when when they changed. These methods and others are explained in the Artisan blog post Displaying Development Time Ratio in Artisan. https://artisan-r...io-in.html


oldgrumpus	#8 Posted on 01/27/2022 7:15 PM
1/2 Pounder Posts: 216 Joined: July 25, 2012	Quote zeece wrote: These methods and others are explained in the Artisan blog post Displaying Development Time Ratio in Artisan. https://artisan-r...io-in.html Thanks much zeece! I must say that the link you gave me here is perfect. I love that he gives the simple basics right at the beginning and how he gets into the details later on for the more advanced users of Artisan. Clever Coffee Dripper Grinder: Macap M4 Roaster: Completed drum roaster project photos shown here: Photos https://goo.gl/ph...Da6K4wfqw5 Videos https://www.youtu...Bd1NrdpSUH

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