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Discussions > Coffee > Home Roast > Can Roaster!  
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TimEggers
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TimEggers
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Location: Tiskilwa, Illinois
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Espresso: QM Anita, Cappuccino Amore
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Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Sat Jun 9, 2007, 9:34am
Subject: Re: Can Roaster!
 

mattreynolds Said:

Update:

The first roast was completed earlier tonight.
I roasted about 1/4 pound of a Costa Rica Tarrazu to about a full city+ to a Vienna. It was a little darker then I was planning on going but we will see.

Heres part of the set-up just before roasting:

Posted June 7, 2007 link

Looking great!  A question: does the heat of roasting affect the drill at all?  I used a piece of thread rod to put some distance between the drum and the drill (maybe I didn't need too) but since I already had the threaded rod I'm not out anything.

Also how are you guys cooling your roasts?

(I'll update with my half-pound roaster when I have it done)

 
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mattreynolds
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Joined: 6 Jan 2007
Posts: 241
Location: Newfoundland, Canada
Expertise: Pro Barista

Espresso: Expobar Brewtus III
Grinder: Mazzer Mini
Vac Pot: Bodum
Roaster: 1 Pound SC/TO Roaster.
Posted Sun Jun 10, 2007, 7:34am
Subject: Re: Can Roaster!
 

TimEggers Said:

Also how are you guys cooling your roasts?

Posted June 9, 2007 link

I have a mesh bowl inside a cardboard box, with a shopvac inside the box and underneath the mesh bowl. This is so it will suck the hot air off the beans.

It looks much like THIS
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mattreynolds
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Joined: 6 Jan 2007
Posts: 241
Location: Newfoundland, Canada
Expertise: Pro Barista

Espresso: Expobar Brewtus III
Grinder: Mazzer Mini
Vac Pot: Bodum
Roaster: 1 Pound SC/TO Roaster.
Posted Sun Jun 10, 2007, 9:27am
Subject: Re: Can Roaster!
 

This thread is quickly becoming a modders dream!

I have a new idea for a heat source, I am now in the process of converting a toaster over so I can put the drum inside!

The ToasterRoaster:

mattreynolds: Toaster Roaster Begining_cg.jpg
(Click for larger image)
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TimEggers
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TimEggers
Joined: 3 Oct 2004
Posts: 2,946
Location: Tiskilwa, Illinois
Expertise: I love coffee

Espresso: QM Anita, Cappuccino Amore
Grinder: Baratza Vario, Mazzer SJ
Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Sun Jun 10, 2007, 4:32pm
Subject: Re: Can Roaster!
 

Will the toaster get hot enough to roast?

 
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TimEggers
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TimEggers
Joined: 3 Oct 2004
Posts: 2,946
Location: Tiskilwa, Illinois
Expertise: I love coffee

Espresso: QM Anita, Cappuccino Amore
Grinder: Baratza Vario, Mazzer SJ
Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Mon Jun 11, 2007, 11:52am
Subject: Re: Can Roaster!
 

The quarter pound (that's all the drill would safely support before tipping and I want to avoid any clamping so I can easily dump the beans) is complete.  See a movie of it in action HERE.

 
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SurpriseMe
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Posted Mon Jun 11, 2007, 6:38pm
Subject: Re: Can Roaster!
 

This has got to be the best use of a soup can I've ever seen.  Soup is good, sure, but coffee....

Tim, you questioned the effect of the heat source on the drill.  It's a valid question.  However, an encouraging fact is how hot drill bits often get, especially when drilling pilot holes in metal--hot enough to severely burn fingers. (This just happened to a friend yesterday)  Therefore, I doubt the heat conducted down several inches of threaded rod should prove to be a problem.  You could always attach cooling fins on the rod near the drill.  

Jim
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TimEggers
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TimEggers
Joined: 3 Oct 2004
Posts: 2,946
Location: Tiskilwa, Illinois
Expertise: I love coffee

Espresso: QM Anita, Cappuccino Amore
Grinder: Baratza Vario, Mazzer SJ
Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Tue Jun 12, 2007, 10:58am
Subject: Re: Can Roaster!
 

SurpriseMe Said:

This has got to be the best use of a soup can I've ever seen.  Soup is good, sure, but coffee....

Tim, you questioned the effect of the heat source on the drill.  It's a valid question.  However, an encouraging fact is how hot drill bits often get, especially when drilling pilot holes in metal--hot enough to severely burn fingers. (This just happened to a friend yesterday)  Therefore, I doubt the heat conducted down several inches of threaded rod should prove to be a problem.  You could always attach cooling fins on the rod near the drill.  

Jim

Posted June 11, 2007 link

I agree completely, I was more concerned with the drill being close to the heat source itself (some photos above don't show any space between the back of the drum and the drill chuck.  The drum would be of considerable temperatures for the length of the roast.

 
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SurpriseMe
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Location: Upstate NY
Expertise: I love coffee

Posted Tue Jun 12, 2007, 7:41pm
Subject: Re: Can Roaster!
 

Wow....did I jump to a conclusion, or what?  In re-reading the posts, I don't know why I assumed you meant heat conducted through the rod and not the drill's proximity to the heat source.  That'll teach me...

Well, anyway, the proximity issue is a good one to keep in mind.  I know that if I built such a roaster, I would over-compensate with an overly-long length of rod, telling myself, "just in case, just in case."
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TimEggers
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TimEggers
Joined: 3 Oct 2004
Posts: 2,946
Location: Tiskilwa, Illinois
Expertise: I love coffee

Espresso: QM Anita, Cappuccino Amore
Grinder: Baratza Vario, Mazzer SJ
Vac Pot: Antique McKee, Santos
Drip: Pour Over, Bodum Presses
Roaster: RK Drum
Posted Tue Jun 12, 2007, 9:48pm
Subject: Re: Can Roaster!
 

SurpriseMe Said:

Wow....did I jump to a conclusion, or what?  In re-reading the posts, I don't know why I assumed you meant heat conducted through the rod and not the drill's proximity to the heat source.  That'll teach me...

Well, anyway, the proximity issue is a good one to keep in mind.  I know that if I built such a roaster, I would over-compensate with an overly-long length of rod, telling myself, "just in case, just in case."

Posted June 12, 2007 link

I kinda felt the same way, but I also was afraid that if I went too long the drill would tip.  I guess one has to find balance (no pun intended).

 
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