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

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Simple, bigger, better, faster, SC/TO high torque motor replacement for ~$35
bobbooks	#21 Posted on 03/09/2019 1:45 PM
Newbie Posts: 22 Joined: August 03, 2015	I use two switches to control the heat. On/Off on the SC and full or half heat on the turbo. I normally have to do very little switching. Seems that my 3 cups of beans, TO, SC, stirring all keep my profile on target. More often I have to slow down the development time with turbo going half heat beginning at first crack for about a minute. Different beans, ambient, wind have slightly different results. The profile I have online is the one I use with ONE EXCEPTION: I start my timing when the roast hits 200F. ROR is the same after that. The reason is that nothing is happening to the roast before that and the charge temp or time to 200F is less of a concern. You just have to adjust the time scale on the left of the profile chart. My research with other roasters that have used halogen turbos actually prefer the heating coil. I have no experience myself with halogen.


renatoa	#22 Posted on 03/10/2019 4:04 AM
Administrator Posts: 2497 Joined: September 30, 2016	Conversely, no experience with heating coil, no such models here. A peculiarity of my setups is the complete removal of halogen cover, this way the IR heating becomes majoritar versus convection, which is good, for my taste... maybe because I prefer meat cooked using a radiant (shawarma) versus convection (oven) Also tried cheap chinese carbon fiber tubes from Aliex, but abandoned, low reliability in this environment with vibrations, the fiber breaks quickly, after some roasts. Edited by renatoa on 03/10/2019 4:19 AM


Koffee Kosmo	#23 Posted on 10/09/2019 9:50 PM
Administrator Posts: 1611 Joined: December 31, 2008	I have used both element and halogen Both work great and I like both equally The halogen has one small advantage, that it lights up the roast chamber to view what?s going on inside 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.
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