8
votes
Is dark roast stronger than light roast?
Strength is an interesting wording, but some people use it. Mostly, caramelized or burnt flavors get visible during the roasting process.
Understanding Coffee Bean names as they relate to roast
As ...
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8
votes
Accepted
How much weight reduction occurs after roasting coffee beans?
The roasting process leads to water loss in all types of beans. Most beans start off at about 10-12% moisture and end up around 3%.
My experience gives about 15% weight loss (shrinkage) for light ...
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5
votes
Accepted
How long does it take coffee beans to degas?
Degassing is discussed a few times. The most cited answer in Coffee SE is probably this question.
In short:
Degassing takes up to 2 to 4 days to achieve drinkable coffee. If you really want to ...
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5
votes
"Speed Roasting" from Coffee Tonya: Is it just as good?
Roast times can significantly affect coffee flavors, and a 2 minute roast profile is concerning. While I cannot say I am familiar with the process they are using, I do know a decent amount about the ...
- 1,364
5
votes
Is dark roast stronger than light roast?
Dark roast is stronger taste than light roast, given the same beans.
Bitterness tends to dominate the flavors: Original flavors you can feel on light roast usually disappear with darker roasts.
Dark ...
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4
votes
How to tell if coffee beans are burnt?
Char - smell and taste. Excessive oil coating the surface of the beans. The extracted coffee will have a flat taste. Hard to describe, but the taste will be predominately "charred" and nothing else.
...
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3
votes
How much weight reduction occurs after roasting coffee beans?
i roast 2kg Colombian beans at a time (last batch begin 2003g) and end up around 1.6kg (last batch end, chaffed and cooled 1608g) i roast in an oven so need to remove chaff manually (i use a cool ...
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3
votes
How much weight reduction occurs after roasting coffee beans?
I roast in a bread machine with a heat gun. I roast 567 g per batch (1.25 #). I roast Ethiopian and Kenyan beans. My weight loss is between 12.7% and 16.2% loss.
I end the roast at about 210 C (410 F) ...
- 31
3
votes
Accepted
What are the basics of creating an espresso blend?
The basics of blending consists of finding the lost flavors of one specific single origin bean in another bean. Therefore perfecting both (or many) beans in the same cup.
As a result, a good blend ...
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3
votes
Caffeine content of different brewing methods
Short answer: No
Slightly longer answer: The temperature, pressure and method of brewing barely impact the amount of caffeine extracted from the bean.
Because caffeine dissolves so readily in hot ...
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3
votes
Is it possible to grind then roast?
No. Unroasted coffee beans are denser and wetter than roasted beans and will not grind well. You will break your grinder trying, and even if the grinder succeeded, you'd get more of a mush than solid ...
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2
votes
What is white coffee?
If you mean the Yemenite white coffee, then it consists of:
lightly roasted beans.
Hawaij spices mixture (Cardamon, Cloves, cinnamon, ginger root and nutmeg).
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2
votes
How does humidity affect roasting?
I believe heat and humidity play a key role in the role of energy transference in the roaster. I roast (professionally)in a very dry climate and find it easier (more forgiving) to roast in a climate ...
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2
votes
Understanding Coffee Bean names as they relate to roast
First things first; roasting and beans are two separate things as mentioned as a comment here:
What are the 4M's of espresso?
Probably, it is already noticed so the question have been tagged ...
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2
votes
Slow Roasting Coffee Beans
I have had no success at low temperature roasting, I have gone through a number of hacked popcorn popper coffee roasters. This requires some tweaking to get the temperature high enough to get a good ...
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2
votes
Accepted
When do you know coffee beans are over roasted or burnt?
When do you know coffee beans are over roasted or burnt?
When coffee is roasted beyond the "second crack", it completely loses all its origin characteristics, and tastes bitter. If the ...
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1
vote
Understanding Coffee Bean names as they relate to roast
There is no direct relationship between the names you mention and a roast level. That being said, once you learn the characteristics of the origin beans, then many times those beans have a particular ...
- 1,364
1
vote
Replace gear in Whirly-Pop with metal
Don't think you can replace only the gears, but I found lots of places selling replacement lids with heavy duty gears. Check the link out below:
WhirleyPopShop
I googled 'metal gears for whirley ...
- 1,364
1
vote
Is it possible to make instant coffee of varying roasts?
There is no reason why instant coffee couldn't be roasted differently. It's made from real coffee beans after they have been roasted and ground. Instant coffee is just dehydrated coffee basically.
I ...
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1
vote
How should I distribute coffee from a small roaster?
Let's hope we aren't in the same state.. because I am doing the same thing =p We officially opened about a month ago. Here's what I am finding. Plan on working with local coffee shops.
I do have ...
- 1,364
1
vote
How should I distribute coffee from a small roaster?
As for the coffee aspect...
The market now has many options for large-scale "small-batch" roasters. From local places, to smaller distribution places (like Blue Bottle, Counter Culture, Stumptown, ...
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1
vote
How should I distribute coffee from a small roaster?
If you're shipping 14 oz or less, USPS First Class Mail is an option which will save you quite a bit of money over USPS Flat Rate, and will definitely be less than UPS or FedEx small packages. If you ...
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1
vote
How long does it take coffee beans to degas?
Degassing - what a lovely topic.
May i offer an experience is that, regardless of roast:
of course one can grind anytime,
central american coffees seem generally to take about a week to be truly ...
- 341
1
vote
How long does it take coffee beans to degas?
Another major component when talking about degassing is whether or not the coffee is ground or not...
http://www.sciencedirect.com/science/article/pii/S0963996914000337#st0015
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1
vote
Where to measure ET on drum roaster
I too have an RK Drum used over an old Brinkmann All-In-One cooker with an 55 rpm electric motor attached. I wish I could get bean mass temp! And a trier... fantastic. But all I can do is put a ...
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1
vote
Where to measure ET on drum roaster
I'm not very familiar with the Kaldi roaster. From what little I've read, most buyers are pretty happy with it. I built a home roaster about a year ago using equipment from RK Drums, which requires a ...
- 11
1
vote
How to judge time between cracks when roasting
I am a home roaster and I've ruined my fair share of coffee beans learning just how to use my own roaster. I use a hot air roaster, the Fresh Roast SR500 and I've done many hours of internet research ...
- 1,455
1
vote
What are the flavor characteristics of under-roasted coffee?
Vegetal - asparagus, sour; especially on the after-taste/linger as acids sit on the pallette. A good roaster can minimize this as it is often an occurrence of the centre of the bean being undeveloped ...
1
vote
What is the Roasterie's city of fountains blend?
Those beans are only available in the Kansas City area Costco's so they are not selling them all over the US. Quality is as good as any other coffee bean the Roasterie sells (which is very good).
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