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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Bean Cooler

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Best Cooling Design
Tony_C	#1 Posted on 11/18/2015 10:03 PM
1/4 Pounder Posts: 168 Joined: September 24, 2015	So from everyone's experience, which direction cools better, using a vacuum to pull air through the beans? i.e. Open air on the beans end, pulling into a closed space... Or using a fan to blow upwards through the beans? I want to make a 5 gallon bucket type cooler. I see the simplest end of the spectrum being a colander on top with a hose leading to a vacuum drawing air downwards through the beans. This both collect smaller particles of chaff as well as cooling the beans. But wonder if it is faster or more efficient to cool by blowing air up into the beans using a fan. I only ask because of experiencing a slower manual cooling on a Colombian, and actually seeing the beans further roast a bit and darken while cooling. Or is this just over thinking it?


Koffee Kosmo	#2 Posted on 11/18/2015 10:48 PM
Administrator Posts: 1620 Joined: December 31, 2008	This is my design on the link - http://forum.home...ad_id=1183 Its never let me down KK I home roast and I like it. Designer of the KKTO Roaster Build information https://homeroast...ad_id=1142 https://docs.goog...lide=id.i0 Blog - http://koffeekosm...gspot.com/ Bezzera Strega, Mazzer Robur Grinder, Pullman Tamper Convex, (KKTO) Turbo Oven Home Roaster.
	Web

Tony_C	#3 Posted on 11/19/2015 10:03 PM
1/4 Pounder Posts: 168 Joined: September 24, 2015	Very nice...very nice indeed. I like that it is pulling the air through the beans downwards, and the holes at the bottom increase the airflow and circulation. That gives me a good idea. Thank you KK!


Koffee Kosmo	#4 Posted on 11/20/2015 7:53 PM
Administrator Posts: 1620 Joined: December 31, 2008	For the top section I now use two wire sieve units with different size holes They are commonly called soil sieves https://en.m.wiki...es_BMK.jpg KK I home roast and I like it. Designer of the KKTO Roaster Build information https://homeroast...ad_id=1142 https://docs.goog...lide=id.i0 Blog - http://koffeekosm...gspot.com/ Bezzera Strega, Mazzer Robur Grinder, Pullman Tamper Convex, (KKTO) Turbo Oven Home Roaster.
	Web

Tony_C	#5 Posted on 11/20/2015 11:00 PM
1/4 Pounder Posts: 168 Joined: September 24, 2015	Ooooo, those are nice. Are those available retail in the states?


comfortableshoes	#6 Posted on 11/20/2015 11:44 PM
Newbie Posts: 37 Joined: September 18, 2015	You can use cake dusting pans, they don't come with the super large gauge openings but you can get them on amazon and they are a similar design.
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Koffee Kosmo	#7 Posted on 11/20/2015 11:46 PM
Administrator Posts: 1620 Joined: December 31, 2008	Quote Tony_C wrote: Ooooo, those are nice. Are those available retail in the states? They were probably invented in the States for the gold rush My father in-law gave me my 2 units KK I home roast and I like it. Designer of the KKTO Roaster Build information https://homeroast...ad_id=1142 https://docs.goog...lide=id.i0 Blog - http://koffeekosm...gspot.com/ Bezzera Strega, Mazzer Robur Grinder, Pullman Tamper Convex, (KKTO) Turbo Oven Home Roaster.
	Web

Tony_C	#8 Posted on 11/21/2015 9:15 PM
1/4 Pounder Posts: 168 Joined: September 24, 2015	Cool, thanks both of you!


oldgearhead	#9 Posted on 11/29/2015 8:44 AM
1 1/2 Pounder Posts: 1128 Joined: February 10, 2011	This one is six years-old. It's made from a PVC pipe fitting (5x5x2). I wanted something that would out-last a plastic bucket. I don't use it to cool anymore, but I use it as a cleaner and blend tool. oldgearhead attached the following image: No oil on my beans...

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