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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Building a Coffee Roaster

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Small roaster with gas or carbon!
solider86	#1 Posted on 01/09/2016 5:01 AM
Newbie Posts: 16 Joined: March 31, 2015	Hi, guys! Happy new year. I designed a small roaster for gas or carbon. It is fun to roast coffee at home. The roaster has two modes to roast coffee, gas and carbon (charcoal). Gas: Carbon (charcoal): Carbon mode: https://youtu.be/... Edited by allenb on 01/09/2016 6:49 PM


billsey	#2 Posted on 01/09/2016 12:38 PM
Newbie Posts: 13 Joined: August 11, 2015	It must be very difficult to regulate temperature when running the carbon version. Do you use some sort of vanes between the fire and the drum, some sort of air injector, or just assume there will be the right heat? Nice looking roaster though. :)


allenb	#3 Posted on 01/09/2016 6:59 PM
Administrator Posts: 3684 Joined: February 23, 2010	This is an excellent looking roaster! Can you post a time/temperature graph or list showing how the rate of rise per minute looks in carbon mode? I'm also curious how you control rate of rise using charcoal for heat. Billsey, are you thinking as I that a Kamado temp controller with blower would be a good way to control this guy? allenb attached the following image: 1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana


solider86	#4 Posted on 01/09/2016 8:02 PM
Newbie Posts: 16 Joined: March 31, 2015	Quote billsey wrote: It must be very difficult to regulate temperature when running the carbon version. Do you use some sort of vanes between the fire and the drum, some sort of air injector, or just assume there will be the right heat? Nice looking roaster though. :) It is a good question. The roaster was originally uesd on the stove. But my friends use carbon to roast. First roast, it took 30 minutes into first burst. 300g of Natural Yirgacheffe Aricha G1. Then I redesigned the machine and add charcoal stove. The charcoal stove design reference to the wood gas stove. After tested the roaster with carbon, I just assume there will be the right heat and control air vanes. 300g of Finca Hartmann Black Winey. 00:00 170℃ 03:16 123.2℃ 05:55 155.2℃ 07:34 171.3℃ 08:21 179.6℃ first burst 10:52 204.2℃ End


broeker	#5 Posted on 01/10/2016 5:01 AM
1/4 Pounder Posts: 75 Joined: June 23, 2014	That looks great 😊


snwcmpr	#6 Posted on 01/10/2016 2:16 PM
1 1/2 Pounder Posts: 925 Joined: March 03, 2011	That looks so professional. Impressive. -------------- Backwoods Roaster "I wish I could taste as well as I wish I could roast." As Abraham Lincoln said "Do not trust everything you read on the internet".


solider86	#7 Posted on 01/15/2016 7:39 PM
Newbie Posts: 16 Joined: March 31, 2015	I used cross-sectional view to show the air flow mode of small roaster. Blue lines represent the cold air. Red lines represent the cold air. Before it used 4" AC fan, I change to 36W exhaust fan and subjion cyclone collector. https://youtu.be/...


solider86	#8 Posted on 03/25/2016 7:28 PM
Newbie Posts: 16 Joined: March 31, 2015	The points of improvement. 1.36W exhaust fan 2.Cyclone 3.Test tempersture records program Edited by solider86 on 03/25/2016 7:34 PM


allenb	#9 Posted on 03/26/2016 1:16 PM
Administrator Posts: 3684 Joined: February 23, 2010	Looking nice! Can you show a photo of how you empty your cyclone? Also, are you happy with how it's roasting? Allen 1/2 lb and 1 lb drum, Siemens Sirocco fluidbed, presspot, chemex, cajun biggin brewer from the backwoods of Louisiana


solider86	#10 Posted on 03/27/2016 5:00 AM
Newbie Posts: 16 Joined: March 31, 2015	3 photos of cyclone. My friends are very happy to roast. Now, they plan to start selling charcoal roasted coffee beans in their coffee shop. solider86 attached the following images:


solider86	#11 Posted on 03/28/2016 2:35 AM
Newbie Posts: 16 Joined: March 31, 2015	The roasting video. [video]https://www.youtube.com/watch?v=GgrPuXokUA0[/video] Edited by JackH on 03/28/2016 3:54 AM


solider86	#12 Posted on 05/05/2016 3:11 AM
Newbie Posts: 16 Joined: March 31, 2015	This month I try to build a 1.5kg roaster. It still use charcoal.


solider86	#13 Posted on 08/08/2016 7:16 PM
Newbie Posts: 16 Joined: March 31, 2015	I tried to redesign the small roaster. The new design makes it easier disassembly and moving. [video]https://www.youtube.com/watch?v=LaSJplH8uRU&feature=youtu.be[/video] youtube link: https://youtu.be/... Edited by JackH on 08/09/2016 5:09 AM

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