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03/04/2021 9:04 PM
I have been trying Scott Rao Hario V60 pourover this week. 1:17 and blooming with 2 parts water the first 45 seconds then splitting the rest into 2 pours. A little stirring is included. We like it.
03/04/2021 11:35 AM
My brew ratio is 1:17 (exactly 59.5 g/L). That's roughly 8.5g per 5-oz cup.
02/27/2021 9:29 AM
I'm looking to hire someone to teach/help me to find the best roast profile for the 3 types of coffee that grow on my farm in nicaragua. I live in LA, but but could go anywhere in so cal with my Behmor for a roasting lesson. Please contact me if you're in
02/17/2021 7:20 PM
When your wife thinks 30 grams for a 6 cup setting is strong, you learn to drink muddy water when you are making coffee for both of you.
02/17/2021 8:32 AM
I use a rule of thumb of 60 grams per liter. 8 cups (1 liter, 32 oz) = 60 grams, 6 cups (3/4 liter, 24 oz) = 45 grams. 10 cups = 75 grams 12 cups = 90 grams
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 KKTO Build
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| mkane |
Posted on 03/12/2020 1:30 PM
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 1/4 Pounder  Posts: 151 Joined: October 23, 2017 |
By reconnecting the thermostat ( which is already done) and using a TC. Heck I can't even control the roast on my 1lb. drum roaster.
Always learning
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| renatoa |
Posted on 03/12/2020 2:48 PM
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 Administrator  Posts: 1632 Joined: September 30, 2016 |
TC ? TC4 board ? ThermoCouple, to measure temperature ? |
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| mkane |
Posted on 03/12/2020 9:15 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
TC to measure temp using a simple Fluke meter. Don't know if it will be BT or ET.
Always learning
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| renatoa |
Posted on 03/13/2020 3:04 AM
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Administrator Posts: 1632 Joined: September 30, 2016 |
Gooood... So no electronics/computer, nothing bad about this, I was there and not disappointed, the results are same class as an Artisan roast. What would be my steps in this scenario: - adjust thermostat shifting the temperature scale, to be able to cycle at 250C, if not already there... - mount the diode that ensure the continuous smooth temperature increase without huge swing due to on-off switching, or... - mount a $12 power variator, for perfect profiling experience without compromise. www.ebay.com/itm/...2569538620 |
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| mkane |
Posted on 03/13/2020 9:37 AM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
What type of diode? 1/2 w. 1 w 5 w? I have plenty on hand. I'll look at the variator. Pairing the TO with Artisan is a possibly. We now use Artisan with a drum roaster.
Edited by mkane on 03/13/2020 9:43 AM Always learning
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| mkane |
Posted on 03/13/2020 9:40 AM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
Took a look. I have a SUT I can use with this. Might be an inexpensive experiment.
Edited by mkane on 03/13/2020 4:49 PM Always learning
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| renatoa |
Posted on 03/13/2020 10:59 AM
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Administrator Posts: 1632 Joined: September 30, 2016 |
Quote mkane wrote: What type of diode? 1/2 w. 1 w 5 w? I have plenty on hand. I'll look at the variator. Pairing the TO with Artisan is a possibly. We now use Artisan with a drum roaster. Double current than your heater, and 1.4x the voltage of the mains. For an 1300W 230V lid, which means 6 Amps current draw, I would go with a minimum of 12 amps 400V diode, but for 5 cents more I am more safe with 16 Amps 600V The diode and SCR solutions are exclusive, you should decide which of them. Edited by renatoa on 03/14/2020 1:54 AM |
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| mkane |
Posted on 03/13/2020 4:57 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
Think I'll go with the SCR
Always learning
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| mkane |
Posted on 03/18/2020 7:55 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
Double Boiler arrived today. I drilled the 4 mm holes in the inner pot, got the bearings installed, cut a false floor using the lid and mounted that also. Tomorrow I'll tinker with the agitator.
mkane attached the following image:
Always learning
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| mkane |
Posted on 03/18/2020 7:59 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
.....
mkane attached the following image:
Always learning
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| Koffee Kosmo |
Posted on 03/18/2020 8:25 PM
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 Administrator Posts: 1554 Joined: December 31, 2008 |
Does the insert have any holes ? KK I home roast and I like it. Designer of the KKTO
Roaster Build information https://forum.hom...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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| mkane |
Posted on 03/19/2020 10:35 AM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
It does. I drilled them myself. If it needs more, I'll drill em'. 4 mm
mkane attached the following image:
Edited by mkane on 03/19/2020 10:40 AM Always learning
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| Koffee Kosmo |
Posted on 03/19/2020 5:12 PM
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Administrator Posts: 1554 Joined: December 31, 2008 |
You can put thin slits on the sides if it’s easier KK I home roast and I like it. Designer of the KKTO
Roaster Build information https://forum.hom...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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| mkane |
Posted on 03/19/2020 7:49 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
I've got holes in the sides also. There spaced out more that on the bottom. Are these hole just for chaff removal? I also got the agitator working. Not sure if it's the best but I suppose a roast will tell the whole store. Seems to work best with 350 grams of beans. I'm going to work on another agitator like the fancy unit you designed while holed up here at home. The first agitator doesn't get down low enough with 200 grams of beans. With 350 is looks like it mixes well. Edited by mkane on 03/19/2020 7:58 PM Always learning
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| Koffee Kosmo |
Posted on 03/19/2020 7:59 PM
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Administrator Posts: 1554 Joined: December 31, 2008 |
Quote mkane wrote: I've got holes in the sides also. There spaced out more that on the bottom. Are these hole just for chaff removal? I also got the agitator working. Not sure if it's the best but i suppose a roast will tell the whole store. Seems to work best with 350 grams of beans The holes have dual purpose Heat circulation and chaff removal You will see the chaff spinning above the the agitating beans and you can judge where the holes should go from observing Agitation is important It must mix the beans like rolling stones- constantly on the move, not just a mass of beans pushed around and around to achieve a great roast Have a look at some of my videos with the red bean test and copy the results with your setup KK I home roast and I like it. Designer of the KKTO
Roaster Build information https://forum.hom...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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| mkane |
Posted on 03/19/2020 8:05 PM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
for some reason my pics won't load
Always learning
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| JackH |
Posted on 03/20/2020 3:21 AM
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 Administrator Posts: 1779 Joined: May 10, 2011 |
Quote Keep your file name simple, no special characters of spaces. Don't use preview post or reply, for some reason it disables the attached photo. Keep your image file small. I use resize in MS paint and scale down to 800X600 or so. No need to have 4000X3800 for web viewing. Loading images to test:
JackH attached the following images:
---Jack
KKTO Roaster. |
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| renatoa |
Posted on 03/20/2020 4:32 AM
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Administrator Posts: 1632 Joined: September 30, 2016 |
The chaff is not exhausted from the roasting insert by the bottom holes, conversely, the air is sucked by the turbine in a vertical column, from the bottom. The bottom holes are required mainly to ensure a good airflow in the beans bed. Having a different approach than original KK design, by using a wider and lower insert, that allows using the whole glass area of the lid, I can observe better how is the chaff flow in such oven. After absorbed and ejected radially by the lid turbine, the chaff path is a descending spiral along the walls to the bottom of the pot. |
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| mkane |
Posted on 03/20/2020 10:28 AM
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1/4 Pounder Posts: 151 Joined: October 23, 2017 |
.............
mkane attached the following images:
Always learning
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| Koffee Kosmo |
Posted on 03/20/2020 7:44 PM
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Administrator Posts: 1554 Joined: December 31, 2008 |
I will give you the physical engineering explanation behind the chaff removal in a KKTO design Please note that appropriately 90% of chaff is removed to the lower chamber Chaff spins along the side wall of the perforated pot and above the agitating beans during the early part of the roast Some smaller chaff exits via the holes on the sides via fan forces Note - Beans roasting expand in volume size x 3 fold or more While the bean volume increases the chaff is folded into the agitating bean mass and ground down into smaller pieces The chaff now smaller works itself to the lower area and exit via the lower sides and bottom of the perforated insert Note - Slits with a raised gill ( like shark gills ) on the side wall will catch and remove a good percentage of the early circulating chaff But that is an design idea for a fully manufactured roaster KK I home roast and I like it. Designer of the KKTO
Roaster Build information https://forum.hom...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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