topbanner.gif
Login
Username

Password




Not a member yet?
Click here to register.

Forgotten your password?
Request a new one here.
Shoutbox
You must login to post a message.

JackH
OfflineAdmin
· 05/27/2020 3:01 PM
Does it happen with all threads or certain one?

pisanoal
Offline
· 05/27/2020 10:14 AM
Anyone else have issues seeing the whole window of a thread when accessing from a mobile phone? Any fixes?

allenb
OfflineAdmin
· 04/02/2020 4:50 AM
Morning Ed, I haven't done any green coffee hoarding yet but am hoping the supplies don't end up like the toilet paper isles!

snwcmpr
Offline
· 03/31/2020 2:53 PM
Hey Ed. Thanks. roar

homeroaster
Offline
· 03/31/2020 11:21 AM
Hey quarantined home roasters! I hope you have great coffee! If they have a run on coffee, I hope you're set with your great home roast! Find me on Facebook! Ed Needham

Users Online
Guests Online: 4

Members Online: 0

Total Members: 6,585
Newest Member: RPirie_CedarOta
In Memory Of Ginny
Donations

Latest Donations
Anonymous - 5.00
Anonymous - 5.00
renatoa - 2.00
JitterzZ - 2.01
renatoa - 2.00

View Thread

Who is here? 1 guest(s)
 Print Thread
Rough Profiling With Popcorn Roaster
Gullygossner
I've got a modified West Bend P1 that I have been roasting with for a while now. I have a triac to control the heating element and have added a transformer to boost the fan voltage.

I have been roasting ~200g loads with it to what I feel is pretty good success. I am just curious as to others opinions to the rough profile below. This is just a basic recipe I try to follow as I don't have logging software, just a digital thermostat. Admittedly, my temperature at time 0:30 is much higher but i can bring the temp back in line by about the 3:00 mark. Is there any point in trying to hit 150C at 4:30?

Time (M:SS) Temp (C)
0:00 20.0
0:30 25.6
1:00 32.2
1:50 48.9
2:00 65.6
2:30 82.2
3:00 98.9
3:30 115.6
4:00 132.2
4:30 148.9 ~End Drying
5:00 154.4
5:30 160.0
6:00 165.6
6:30 171.1
7:00 176.7
7:30 182.2
8:00 187.8 ~FC Start
8:30 193.3
9:00 198.9
9:30 204.4
10:00 208.4
10:30 210.0 ~Dump
 
renatoa
Looks ok to me, is within limits. ThumbsUp

DE is in the middle of recommended 3-6 minutes interval, and the Maillard phase duration the same.
What look suspicious to me is the very slow start, my reference profile looks like: 78, 107, 130, 150, at 2,3,4,5 minute marks
Also the FC temperature is surprisingly low, especially for a FB design, where hot air mix tend to raise the BT measurements by at least 10 C degrees over the real value.

Welcome
 
Gullygossner

Quote

renatoa wrote:

Looks ok to me, is within limits. ThumbsUp

DE is in the middle of recommended 3-6 minutes interval, and the Maillard phase duration the same.
What look suspicious to me is the very slow start, my reference profile looks like: 78, 107, 130, 150, at 2,3,4,5 minute marks
Also the FC temperature is surprisingly low, especially for a FB design, where hot air mix tend to raise the BT measurements by at least 10 C degrees over the real value.

Welcome


Thanks Renatoa,

You are correct in the observation of the very slow start. My actual profile would be very similar to what you stated. I simply back calculated with a 60C/min ROR and those were the numbers I got as guidance.

You are also correct in stating that that the FC starting point was low. I may be off 5-10C, I was just working from memory at this point. Next roast I will monitor its starting point more precisely.

I mainly wanted to confirm attempting to keep my dry end between 4-5mins was appropriate as I know for drum roasters that is the general target for a similar bean load but I didn't know if that translated directly to fluid bed.
 
renatoa
Fluid bed allows a faster roast, but is not mandatory to use this feature.
 
Jump to Forum:

Similar Threads

Thread Forum Replies Last Post
Stir Crazy Convection Oven Roaster (Suppentown) Building a Coffee Roaster 13 05/28/2020 1:52 AM
Made another turbo roaster...... Turbo Oven Roasters 24 05/26/2020 10:07 PM
The well tempered roaster Roasting Coffee 38 05/26/2020 8:35 AM
KKTO - My Humble Turbo Roaster Turbo Oven Roasters 175 05/24/2020 3:05 PM
TC4+ Arduino coffee roaster shield (TC4-compatible) Dataloggers/Controllers/Rate of Rise Meters 182 05/19/2020 7:49 PM
Homeroasters Association Logo, and all Content, Images, and Icons © 2005-2016 Homeroasters Association - Logos are the property of their respective owners.
Powered by PHP-Fusion copyright © 2002 - 2020 by Nick Jones.
Released as free software without warranties under GNU Affero GPL v3.
Designed with by NetriX