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Homeroasters - Home Roasting Coffee Community » BUILDING A ROASTER » Turbo Oven Roasters

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Turbo Crazy build and first roast
pnguser123	#81 Posted on 06/15/2012 7:19 PM
Newbie Posts: 3 Joined: June 14, 2012	Jack, I also roast with a Stir Crazy and Turbo Oven. I replaced the center shaft with a pen making bearing. It has a 1/4 hole in the center and I pressed it into a hole that I had drilled in the bottom plate of the Stir Crazy. This keeps the shaft from wearing out. I also added a gap in the aluminum ring that is recommended as a spacer between the Stir Crazy and the Turbo Oven. This allows the air flow to push the chaff out of the roaster and not burn. I pretty much run the roaster at full temperature for the entire roast. It take about 12 minutes from start to finish. I have used one of my roasters for 6 years and roasted hundreds of 3/4 pound roasts. I just built another one so I could rotate roasts and not spend so much time roasting. See my site at http://philsroast...tures.html Lived in Papua New Guinea, Been roasting for 8 years, I use twin Crazy Stir/Turbo Oven roasters. Now live in Sanford Florida. Phil
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JackH	#82 Posted on 06/16/2012 6:14 PM
Administrator Posts: 1809 Joined: May 10, 2011	Quote pnguser123 wrote: Jack, I also roast with a Stir Crazy and Turbo Oven. I replaced the center shaft with a pen making bearing. It has a 1/4 hole in the center and I pressed it into a hole that I had drilled in the bottom plate of the Stir Crazy. This keeps the shaft from wearing out. I also added a gap in the aluminum ring that is recommended as a spacer between the Stir Crazy and the Turbo Oven. This allows the air flow to push the chaff out of the roaster and not burn. I pretty much run the roaster at full temperature for the entire roast. It take about 12 minutes from start to finish. I have used one of my roasters for 6 years and roasted hundreds of 3/4 pound roasts. I just built another one so I could rotate roasts and not spend so much time roasting. See my site at http://philsroast...tures.html Welcome to Homeroasters Phil! Nice setup with the two roasters. I would like to see that shaft mod you did. Do you use the original stir crazy arms or something different? I did a lot of tweaking of the arms and motor shaft. ended up using Stainless steel welding rod with stainless steel springs over them. Nice to see another turbo roaster! --Jack


JackH	#83 Posted on 06/16/2012 6:22 PM
Administrator Posts: 1809 Joined: May 10, 2011	Quote Burner0000 wrote: Nice site and roaster Kosmo! The more I read about infrared roasters you guys are building the more I wanna try one myself. Possibly replace my current stovetop roasting. :p Whats the max batch size you guys have roasted? Anything close to 2.2lb? Hi Burner0..., The standard TurboCrazy roaster can do about 300-400g with some modification of the arms. Paul "Koffee Kosmo's" KKTO roaster uses the same turbo oven but a much larger roast chamber, stronger motor and better agitator. I am not sure the maximum capacity but I am sure it may be close to 2 pounds. --Jack


Koffee Kosmo	#84 Posted on 06/20/2012 6:01 AM
Administrator Posts: 1618 Joined: December 31, 2008	Quote Burner0000 wrote: Nice site and roaster Kosmo! The more I read about infrared roasters you guys are building the more I wanna try one myself. Possibly replace my current stovetop roasting. :p Whats the max batch size you guys have roasted? Anything close to 2.2lb? I help people build roasters with whatever they have on hand But the concept is the same The roaster batch size is governed by 2 things Overall roast chamber volume to the available heat generated by the standard Turbo Oven without any modifications One can roast up to 1kg however the roaster is optimized to roast 700/800 grams with a little practice If one was to tinker with lower roast chamber volumes and stop the Turbo Oven from its on/off cycle one can roast over 1kg Having said that I recently helped a follow enthusiast to build a dual heat KKTO It utilities a round electric skillet Some parts from the KKTO shop e.g. - Shaft, Adapter ring Some parts from the Turbo Oven And build a base with timber See photos Regards KK Koffee Kosmo attached the following images: 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.
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