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 Coffee Roaster, All about the art of roasting coffee

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squallx840
post Jan 5 2018, 04:48 PM

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QUOTE(ymeng85 @ Jan 5 2018, 03:00 PM)
Where you at? I can help you out
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Any nice green beans to offer (sell biggrin.gif ) ?

Maybe we, Klang Valley folks can combine order / shipping.
Perhaps can order along with roasted beans to be used as bench mark smile.gif




ymeng85
post Jan 5 2018, 05:04 PM

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QUOTE(built @ Jan 5 2018, 03:19 PM)
am looking for green beans too.
pls let me know what beans you can offer.
thanks.
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At the current moment, what I can offer is just the following
Colombia Tolima Bambucho Washed - RM50/kg
Costa Rica Tarazzu Jaguar Honey - RM60/kg

February I will have
Brazil - RM60/kg
Ethiopian Yirgacheffe Red Cherry Natural - RM75/kg

lowkl
post Jan 5 2018, 05:19 PM

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QUOTE(rianvaperknight @ Jan 5 2018, 03:24 PM)
I am a coffee lover all my life! I want these so bad.
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Are you interested to roast? The home/local roasting community is small but very inclusive.

Best way to experience something is....to experience it!
built
post Jan 5 2018, 06:51 PM

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QUOTE(ymeng85 @ Jan 5 2018, 05:04 PM)
At the current moment, what I can offer is just the following
Colombia Tolima Bambucho Washed - RM50/kg
Costa Rica Tarazzu Jaguar Honey - RM60/kg

February I will have
Brazil - RM60/kg
Ethiopian Yirgacheffe Red Cherry Natural - RM75/kg
*

thanks... will contact you.

ENTj
post Jan 6 2018, 08:28 PM

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QUOTE(ymeng85 @ Jan 5 2018, 03:00 PM)
Where you at? I can help you out
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I stay in Sri Petaling, work in KL.
Nice to see a lot of people from Klang Valley.
How do you trade? By mail or COD?
squallx840
post Jan 6 2018, 10:57 PM

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QUOTE(ENTj @ Jan 4 2018, 11:14 AM)
Hi all, silent reader here. I'm looking for ~1kg inexpensive Brazilians as sacrificial input for my self-learning shenanigans. Will be starting off with a pop corn popper for now.

Does anyone have a stash that you're willing to share? By share i mean sell laugh.gif
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What pop corn popper are you planning to use to roast the coffee?

I was previously using a stovetop Whirley Pop popcorn popper.
Was just relying on sound, sight and smell for roasting.

Not bad actually, there's a lot of Youtube video for guidance using Whirley Pop.
ymeng85
post Jan 7 2018, 03:06 PM

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QUOTE(ENTj @ Jan 6 2018, 08:28 PM)
I stay in Sri Petaling, work in KL.
Nice to see a lot of people from Klang Valley.
How do you trade? By mail or COD?
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Aiks, I'm in Penang. Running a roastery there
In this case will need to be using delivery

I know it will be roughly RM70 for 10kg poslaju
ENTj
post Jan 8 2018, 09:54 AM

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QUOTE(squallx840 @ Jan 6 2018, 10:57 PM)
What pop corn popper are you planning to use to roast the coffee?

I was previously using a stovetop Whirley Pop popcorn popper.
Was just relying on sound, sight and smell for roasting.

Not bad actually, there's a lot of Youtube video for guidance using Whirley Pop.
*
Hi Squall, this will be my first baby step to roasting. I'm planning to use the RM70 China-made popper for a start.
Since I'm staying in condo venting out smoke is quickly a growing concern, something I need to address ASAP if I intent to make this a long term hobby.
kk131
post Jan 8 2018, 10:03 AM

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QUOTE(ENTj @ Jan 8 2018, 09:54 AM)
Hi Squall, this will be my first baby step to roasting. I'm planning to use the RM70 China-made popper for a start.
Since I'm staying in condo venting out smoke is quickly a growing concern, something I need to address ASAP if I intent to make this a long term hobby.
*
Not only the smoke, also the chaff. Interested to read your feedback using a popcorn popper, the fan very quickly disintegrated in mine.

ymeng85
post Jan 10 2018, 10:16 AM

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QUOTE(ENTj @ Jan 8 2018, 09:54 AM)
Hi Squall, this will be my first baby step to roasting. I'm planning to use the RM70 China-made popper for a start.
Since I'm staying in condo venting out smoke is quickly a growing concern, something I need to address ASAP if I intent to make this a long term hobby.
*
Would help if you are good with electricals
If possible, split out the power source going to the fan and heater then route the line to heat through a dimmer so you can control the heat

The fan is usually running on DC and actually goes through an additional AC->DC converter inside. So it's possible to power the fan with a separate source

What I find in default popcorn roasters is the heat is way too high so you can't roast more than 60g of coffee at a time. The lack of agitation will burn the bottom before anything else happens

Tip:
You won't be able to do a good light roast on it without mods so don't even bother. Can try for academic purposes though smile.gif
So roast to at least end of 1C + 30sec

This post has been edited by ymeng85: Jan 10 2018, 10:16 AM
lowkl
post Jan 10 2018, 10:45 AM

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Let's talk a little about light roasts.... So far the lightest I've done successfully is around 15c above 1C. I feel uncomfortable doing anything lighter because 1C would be still going.

Any suggestions?
ymeng85
post Jan 10 2018, 02:34 PM

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QUOTE(lowkl @ Jan 10 2018, 10:45 AM)
Let's talk a little about light roasts.... So far the lightest I've done successfully is around 15c above 1C. I feel uncomfortable doing anything lighter because 1C would be still going.

Any suggestions?
*
15C is interesting
My light roasts are around 5-6C above 1C
lowkl
post Jan 10 2018, 02:40 PM

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QUOTE(ymeng85 @ Jan 10 2018, 02:34 PM)
15C is interesting
My light roasts are around 5-6C above 1C
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Wow! That's really light!

What is your RoR going into 1C?
What is your RoR on drop?
Roughly how long and % development (if you use this metric at all)
1C not over, right?
ymeng85
post Jan 10 2018, 05:45 PM

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QUOTE(lowkl @ Jan 10 2018, 02:40 PM)
Wow! That's really light!

What is your RoR going into 1C?
What is your RoR on drop?
Roughly how long and % development (if you use this metric at all)
1C not over, right?
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Can't remember off my head but in 1C it's like 2-3/min
% development for light roast filter is 11-15%, espresso about 18-20%
1C is usually around 1min to 1min30s
squallx840
post Feb 2 2018, 08:33 AM

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ymeng85

Its a bit late, but I would like to thank you for supporting / accommodating us home roasters.

Majority of the bean importers / coffee roasters would not entertain this kind of small orders .


Just tried Costa Rica beans that I roasted few days ago this morning.

I am not at the level to discuss the tasting notes, but all I can say is I loved it!
well balanced cup, in terms of acidity/body/flavor.

Will try again in a few days after the coffee beans are fully developed.
mshahrj
post Nov 18 2018, 11:51 PM

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nobody talks about coffee anymore?

lowkl
post Nov 19 2018, 06:49 AM

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QUOTE(mshahrj @ Nov 18 2018, 11:51 PM)
nobody talks about coffee anymore?
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Nope....too busy roasting and brewing and drinking.

:-D

Ryou
post Nov 19 2018, 01:03 PM

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QUOTE(lowkl @ Nov 19 2018, 06:49 AM)
Nope....too busy roasting and brewing and drinking.

:-D
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I guess most discussions happen in the Coffee Lover's thread.

Will get the chance to roast 2kg of Ethiopian Worka Wuri WBC Berg Competition customized.
1kg Natural and 1kg Washed. Can't wait for the green beans to reach me by January.
ymeng85
post Nov 19 2018, 11:43 PM

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QUOTE(Ryou @ Nov 19 2018, 01:03 PM)
I guess most discussions happen in the Coffee Lover's thread.

Will get the chance to roast 2kg of Ethiopian Worka Wuri WBC Berg Competition customized.
1kg Natural and 1kg Washed. Can't wait for the green beans to reach me by January.
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Just did the natural.
It's good smile.gif
ericdiedrich P
post Apr 17 2019, 05:52 AM

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QUOTE(mdyyliew @ Jun 29 2017, 02:00 PM)
Hi guys,

I was going through the Coffee Lover thread and I realized not much of discussion on roasting coffee. Occasionally some sifu would talk about roasting but conversation would somehow sidetracked to other aspects of coffee. I am starting this thread so that we can discuss in depth with regards to coffee roasting.  thumbsup.gif

Any home/micro roasters sifu in the club? Would like to ask opinion on choice of roasting machine. I'm currently roasting with popcorn popper but think is time to take the plunge and get a proper machine.

I have short-listed three machines

1. Aillio Bullet R1

[attachmentid=8929604]

Pros:
- Looks. Really nice looking and small form factor
- All electric. Can use anywhere
- 1 kg capacity. Just nice for sample roasting and even small scale production
- Fully interactive with software for roast profiling

Cons:
- Expensive. 2624 USD
- New product. Just passed early release. Sorted out main problems but basically still a new product. No expert reviews yet

2. Hottop KN-8828B-2K+

[attachmentid=8929606]

Pros:
- Small form factor
- All electric
- Uses software as well for profiling
-Reliable, established brand
- Cheaper 1600USD

Cons
- Only 300g capacity

3 Sonofresco 600g/1.2kg roasters

[attachmentid=8929608]

Pros
- Simple operation.
- Easy maintenance. Only one moving part which is the fan. Since warranty would be difficult for import item, this is a plus point
- ?Air roaster (maybe cons to some people who prefer drum-roasting)
- Cheaper cost of running. Uses gas - just connect to cooking gas tank and electric for the fan
- Essentially a commercial machine, built to last
- Large capacity

Cons
- Large form factor. the 600g version is smaller but of course less capacity
- Expensive 600g 2595usd and 1.2kg 3595 usd
- Software need to add another 750 usd and also less robust compared to previous two.
Any sifus here have experience with these machines? Would really appreciate if can provide input. Of course there are other more professional sampler roasters options such as Quest M3, Huky 500, North Roasters but those are too big/bulky and the Wife says nono cos its ugly. Haha.

It will be great if can discuss on roasting experience and profiles here, too
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Price is so high. I suggest you a low cost coffee roaster. I think Kafgar Home Coffee Roaster Machine is ideal for you. 300 USD. https://kafgarglobal.com/

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