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10/18/2019 2:37 PM
Eth Nat Yirg Idido roasted yesterday. I dropped some off at a friends coffee shop. In a few days he will brew it and tell me what he thinks. We believe my roasts are better than what we buy.

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Hi Guys ,

I love coffee and here in Greece because of a large volume of tourists we eat too much coffee in various forms espresso capuchino hot fredo, nescafe hot nescafe frape, greek coffee etc.

Italy is next to it, and in the past past there has been a mixture of ideas where we maintain an Italian philosophy for coffee and especially for espresso.

So I decided to learn the roasting of coffee.

I tried with a popcorn machine, with a heat gun, with a turbo oven

So I decided to build my own machine that combines some of the ways I've tried and has great ease of use in the home by new users like me.

I made a plan and based on it I started the construction which was completed after about 2 months.

The machine was finished, some tests and some corrections were needed and the result was very good and that's why I'm glad to introduce it to you.

I present to you the machine I have made for roasting coffee in the house.


01.The machine can easily roast up to 500 grams of coffee.

02.The machine is very easy to use.

03. We have full adjustment of the roasting temperature

04. The machine can roast inside the drum with the temperature of the lamps like a behmor or a warm air like a heat gun or with both at the same time depending on the profile we want to give to the coffee.

05.You can take a sample of coffee beans when it is roasted.

06.You can adjust the rotary basket speed.

07.It has a touch screen timer.

08.It has a shutdown time switch.

09.It has indications of temperature and humidity in the area.

10.At the end of roasting, with air flow from the machine the basket of coffee is cooled quickly inside the machine, and the chaff of the coffee beans are also left inside in the machine space.

11. Has a beautiful presence and can easily be next to a coffee maker.

Here you can see the videos of the COSINI HRM-350
(the temperature displayed is in degrees Celsius )





cosini attached the following images:
m07_2.jpg m05_2.jpg m06_2.jpg m03_1.jpg m02.jpg m01_2.jpg 001telos1.jpg 002m08.jpg

Edited by cosini on 07/20/2018 9:31 PM
coffee drink
Welcome and congrats for your build !

Some questions:
Is the basket the 14x23cm from eBay ?
Where is placed the beans temperature probe?
What is the source and direction of cooling airflow ? How long is the cooling, beans temp after 3 min ?
How long is the 250g Ethiopia roast, FC time ?
1.yes i believe it is the same.

2.the beans temperature probe is placed in the heating space just above the basket.
had been placed inside the basket, but with the rotation of the beans leaning over it and setting wrong measurements, but now it is ok

3.the source is an airblower directing the basket.

now with room temperature 30c (86F) the machine at the higher air power setting needs 90sec to lower the temperature from 218c (425f) to 55c (130f). everything is regulated by the user.
see here

4.if I understand correctly and you mean cooking time of 100 to 500 grams is about 12 to 20 minutes plus cooling and depending on the coffee and the profile that you want to give to his coffee.
Edited by cosini on 07/23/2018 7:43 AM
coffee drink
Posting images:
10MB max file size.
.gif, .jpg, .png supported.
You can add up to 8 attachments.
Do not use the "Preview Reply" button when posting images.

Please PM me if you are still having trouble posting images.

KKTO Roaster.
[img] tag is when you want to post a single image, inline.
Because your link is to an external photo album, the image tags are no more required, should be replaced with [url] instead, to make link clickable. ;)
The youtube tag does not seem to work again. Use the url tag for now until we take a look at it.

That is a nice looking roaster! Good work.

KKTO Roaster.
Thx jack coffee drink
coffee drink
new video with COSINI HRM-350


good post
Edited by JackH on 07/25/2018 9:31 AM
coffee drink
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