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Whirly Pop Motor
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Discussions > Coffee > Home Roast > Whirly Pop Motor  
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TimTheRoaster
Senior Member
TimTheRoaster
Joined: 15 May 2014
Posts: 2
Location: Akron, OH
Expertise: I love coffee

Posted Thu May 15, 2014, 7:40pm
Subject: Whirly Pop Motor
 

Hey Everyone,

I have been roasting in my Whirly Pop for some time now, and am doing a fundraiser where I am roasting many roasts in a row to fulfill orders.  I would like to modify my whirly pop with a motor.  What RPM should I get?  Where can I get a small yet powerful enough motor?
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z0mbie
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z0mbie
Joined: 26 Sep 2013
Posts: 356
Location: Online
Expertise: I live coffee

Posted Thu May 15, 2014, 11:36pm
Subject: Re: Whirly Pop Motor
 

Depends where you want the motor.. Direct drive (on the agitator) or gear-driven (on the handle)?

If you have an old hand drill you can use the motor and controls from it.  I recommend where between 80 to 120 RPM for the agitator.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 749
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 Fri May 16, 2014, 3:27am
Subject: Re: Whirly Pop Motor
 

Welcome to the forum :)

Have you considered moving up to a SC/TO roaster? I know it would cost a bit more than a motor, you can put one together for less than $100. Don't know your level of knowledge or experience in these things so I thought I'd throw it out there for you as an option to look into if you haven't heard of it.

Ron
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TimTheRoaster
Senior Member
TimTheRoaster
Joined: 15 May 2014
Posts: 2
Location: Akron, OH
Expertise: I love coffee

Posted Fri May 16, 2014, 4:56am
Subject: Re: Whirly Pop Motor
 

Hey Guys, thanks for the advice.  I haven't heard of the SC/TO roaster before, looks interesting.  I do really enjoy the whirly roaster, maybe it's the cave man in me that likes to roast over an open flame...  I wonder how the SC/TO would compare to a hot air popper.  To me, there is a lot more flavor in the whirly pop over the hot air popper and I always hypothesized it was because the there is no air moving over the beans to dry any oil that would come off the beans.

Anyway, food for thought.

I was thinking direct dive, then I wouldn't have to worry about the gears being problem.  So do you just take apart a drill and take the guts out?
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z0mbie
Senior Member
z0mbie
Joined: 26 Sep 2013
Posts: 356
Location: Online
Expertise: I live coffee

Posted Fri May 16, 2014, 8:55am
Subject: Re: Whirly Pop Motor
 

TimTheRoaster Said:

.

I was thinking direct dive, then I wouldn't have to worry about the gears being problem.  So do you just take apart a drill and take the guts out?

Posted May 16, 2014 link

Take a look at this photo. Should give you some idea on how to implement your solution.

Click Here (www.roastinggreen.com)

I've never actually modified my WP for this, mind you. Just offering ideas to an interesting problem.

I did modify my hario mini mill with a drill motor but in the end it I reverted it because the thing really want designed to withstand higher speeds, nor did it perform well. The WP however will benefit greatly for faster agitation to produce even roasts.

The person who made the roaster in the above pic stated the motor ran at 60RPM and it produced very even roast from it.
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CoffeeRon
Senior Member
CoffeeRon
Joined: 26 Apr 2009
Posts: 749
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 Sat May 17, 2014, 1:19am
Subject: Re: Whirly Pop Motor
 

The hot air popper falls in the category of "fluid bed roasters". They do tend to produce a different flavor profile, often considered to bring out the brighter notes of coffee. While the SC/TO is heated from above by air, the flavor profiles tend to be more like a drum roaster.

Cool looking setup in WN's post :)
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