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Time between FC and SC?
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Discussions > Coffee > Home Roast > Time between FC...  
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 733
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Mon Feb 17, 2014, 3:08pm
Subject: Re: Time between FC and SC?
 

boss99er Said:

Thats exactly what I'm looking for! Thanks! I think I'll pick this up and start experimenting with placement. With the temp kind of riding on the beans, do you get a pretty accurate bean temp?

Posted February 17, 2014 link

On the beans not so much- if you can get it down in the beans better. I haven't played around with it that much as I've been using other roast methods more over the years. As I said this is something I'm just now looking at much more than in the past.
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Mon Feb 17, 2014, 3:10pm
Subject: Re: Time between FC and SC?
 

Oh wow! Purchased.

It'll fit my needs for now. Thanks for the link!
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 733
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Mon Feb 17, 2014, 3:10pm
Subject: Re: Time between FC and SC?
 

]

Frost Said:

Click Here (www.ebay.com)


..here's another in the US for less.....

But the display will be a problem for my use... I like the difference feature, but need the actual temp display as well.

Posted February 17, 2014 link

Didn't notice where it was- just did a quick search for the model number. Gotta run- should have left for work 5 min ago! Later :)
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Mon Feb 17, 2014, 3:13pm
Subject: Re: Time between FC and SC?
 

Gotcha. Well, if you come up with any good ideas, let me know!

CoffeeRon Said:

On the beans not so much- if you can get it down in the beans better. I haven't played around with it that much as I've been using other roast methods more over the years. As I said this is something I'm just now looking at much more than in the past.

Posted February 17, 2014 link

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Frost
Senior Member
Frost
Joined: 26 Jul 2007
Posts: 2,070
Location: Sierra
Expertise: I love coffee

Espresso: Isomac Venus
Grinder: Lelit PL53
Roaster: Poppery I w/variac, MET, BT
Posted Mon Feb 17, 2014, 3:34pm
Subject: Re: Time between FC and SC?
 

The BT probe placement may be tricky on the SC/TO. As I recall the TO throws the heated air out towards the edge and draws in from the center. If this is correct, look to put the BT probe closer to the center, farther away from the heated air inlet.  Spend some time with a good search engine (not the one on CG) and see what others have done here and on HomeBarista, homeroasters.org.

..but if I could only have one probe, I would take ET over BT.  If you have good visual feedback of the beans, and can hear the cracks, then you at least have that to guide the bean progress. The ET is your roasting temperature and this is more critical to get right. If you get a good ET profile, the beans will follow.
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boss99er
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Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Mon Feb 17, 2014, 3:37pm
Subject: Re: Time between FC and SC?
 

Thanks for the info!

Yeah I have a great visual on the beans, and can hear the FC and SC very clearly. So...once this thermocouple arrives I'll place it to measure ET and go from there.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 733
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Tue Feb 18, 2014, 3:02am
Subject: Re: Time between FC and SC?
 

Here's a link to a thread on HB I've been involved in where a guys just a little ahead of you in the game. You should find some helpful info there. He's just ordered a PID for his and I'm debating with myself ordering the same one or maybe trying a different one.

Click Here (www.home-barista.com)

Personally I have a hole in my sc that puts my probe into the bean mass. Just occurred to me I never mentioned that to him, I've really just this past week started messing with the thermometer again and still mostly just go by sight/sound/smell on when to stop the roast.
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Tue Feb 18, 2014, 7:12am
Subject: Re: Time between FC and SC?
 

You don't happen to have a pic of where your temp probe goes in, do you? Everything I'm imagining would get in the way of the stir arms if it was in the bean mass...but maybe I'm thinking about it all wrong.

Thanks Ron!



CoffeeRon Said:

Here's a link to a thread on HB I've been involved in where a guys just a little ahead of you in the game. You should find some helpful info there. He's just ordered a PID for his and I'm debating with myself ordering the same one or maybe trying a different one.

Click Here (www.home-barista.com)

Personally I have a hole in my sc that puts my probe into the bean mass. Just occurred to me I never mentioned that to him, I've really just this past week started messing with the thermometer again and still mostly just go by sight/sound/smell on when to stop the roast.

Posted February 18, 2014 link

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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 733
Location: Tacoma Wa.
Expertise: I love coffee

Espresso: Wega Lyra, Europiccola(still...
Grinder: Macap M7D, Pharos, Vario W,...
Vac Pot: Sunbeam CoffeeMaster
Drip: Melita BCM-4
Roaster: FR SR500,B-1600, SC/TO
Posted Tue Feb 18, 2014, 2:22pm
Subject: Re: Time between FC and SC?
 

boss99er Said:

You don't happen to have a pic of where your temp probe goes in, do you? Everything I'm imagining would get in the way of the stir arms if it was in the bean mass...but maybe I'm thinking about it all wrong.

Thanks Ron!

Posted February 18, 2014 link

I have a 6" wire probe I slip in a hole that does put it right over the stir arms. I added a couple big lugs (wiring type) to the stir arms last summer when my Freshroast died and have to be careful not to slip it in too far now as it can interfere a tad- I think if you slip one of the flexible ones in right there it would work as well or better.

My thinking right now is that a good ET reading or even PIDing that will be more helpful to me. I typically like to roast past first crack but not into second. What I've been reading lately is telling me that if I spread that time out after first crack I'll develop sweeter flavors. I am currently awaiting the book by Kenneth Davids- Home coffee Roasting, and looking forward to what I might learn from that.

I'll try to take some pics of my set-up this week. I just started swing shift this week and things are a bit topsy-turvy for me. Thank God for coffee!
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boss99er
Senior Member


Joined: 25 Jan 2014
Posts: 50
Location: Omaha
Expertise: I love coffee

Posted Tue Feb 18, 2014, 3:21pm
Subject: Re: Time between FC and SC?
 

CoffeeRon Said:

Thank God for coffee!

Posted February 18, 2014 link

Exactly! Ha ha. I'll look for your update. In other news, I got some Etheopian Harrar that I'm excited to try. I was warned to be sure I do NOT get into second crack with them. I'll practice extending my time into FC and get that down before I even try roasting these.
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