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alexfan
註冊時間: 2008-09-18
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shing
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註冊時間: 2006-03-01
文章: 1100
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 發表於: 星期一 四月 20, 2009 1:32 am 文章主題: |
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example 1, channeling ??.
?????, ???, ?19g?, ???example 1?, ????tamp ???, tamp ????ok.
???, ?????2~3mm, ?16g ?, ??tamp, ?????.
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pillowpaky
註冊時間: 2007-11-24
文章: 696
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LittleCup
註冊時間: 2009-01-30
文章: 106
來自: Hong Kong
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| 發表於: 星期一 四月 20, 2009 3:36 pm 文章主題: Re: Two bad examples |
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Under normal situations, the more coffee you use, the longer the time it takes for the extraction. The 2 examples above illustrates well a contradiction in timing, as the less coffee it took, the more the the extraction took place. That's due to channeling, which makes timing useless as a reference.
I would try to use a smaller coffee weight first, e.g. 16-17 g to see a more even extraction. And if the extraction can be more even, then increase the coffee dosage incrementatlly by roughly 0.5 g.
A constant tamping pressure would be important for the test comparisons. |
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alexfan
註冊時間: 2008-09-18
文章: 266
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| 發表於: 星期二 四月 21, 2009 2:46 pm 文章主題: |
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| shing 寫到: | example 1, channeling ??.
?????, ???, ?19g?, ???example 1?, ????tamp ???, tamp ????ok.
???, ?????2~3mm, ?16g ?, ??tamp, ?????. |
Example 3 -
Similar grinder setting as 1 & 2
heavy tamp
19gram
94-95 Deg
40sec for 30cc
http://www.youtube.com/watch?v=AEKp_Ov2Mpc
Example 4 - (I make a mistake on weight)
grinder setting is 2mm finer than example 3
NO tamp
19gram
94-95 Deg
http://www.youtube.com/watch?v=Wacu9qaikxQ |
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alexfan
註冊時間: 2008-09-18
文章: 266
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| 發表於: 星期二 四月 21, 2009 2:50 pm 文章主題: |
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| pillowpaky 寫到: | I will use 17gram test again
And I think may be it is too grosso |
Thx for suggestion, this is what I am thinking too. It is rush and difficult to test run during the weekdays morning. |
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alexfan
註冊時間: 2008-09-18
文章: 266
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| 發表於: 星期二 四月 21, 2009 2:53 pm 文章主題: Re: Two bad examples |
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| LittleCup 寫到: |
Under normal situations, the more coffee you use, the longer the time it takes for the extraction. The 2 examples above illustrates well a contradiction in timing, as the less coffee it took, the more the the extraction took place. That's due to channeling, which makes timing useless as a reference.
I would try to use a smaller coffee weight first, e.g. 16-17 g to see a more even extraction. And if the extraction can be more even, then increase the coffee dosage incrementatlly by roughly 0.5 g.
A constant tamping pressure would be important for the test comparisons. |
LittleCup, thx for your insight, I will do more experiments during weekend. Perhaps I need to get some more consistent tamping tool to speed up my learning. |
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shing
Site Admin
註冊時間: 2006-03-01
文章: 1100
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| 發表於: 星期二 四月 21, 2009 4:29 pm 文章主題: |
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| alexfan 寫到: | | shing 寫到: | example 1, channeling ??.
?????, ???, ?19g?, ???example 1?, ????tamp ???, tamp ????ok.
???, ?????2~3mm, ?16g ?, ??tamp, ?????. |
Example 3 -
Similar grinder setting as 1 & 2
heavy tamp
19gram
94-95 Deg
40sec for 30cc
http://www.youtube.com/watch?v=AEKp_Ov2Mpc
Example 4 - (I make a mistake on weight)
grinder setting is 2mm finer than example 3
NO tamp
19gram
94-95 Deg
http://www.youtube.com/watch?v=Wacu9qaikxQ |
ground level same as example 4.
19.5 gram
light tamping.
try 1 try.
_________________
http://www.hkcoffee.com
http://twitter.com/hkcoffee
seize the day |
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pillowpaky
註冊時間: 2007-11-24
文章: 696
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| 發表於: 星期二 四月 21, 2009 4:52 pm 文章主題: |
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| shing 寫到: | | alexfan 寫到: | | shing 寫到: | example 1, channeling ??.
?????, ???, ?19g?, ???example 1?, ????tamp ???, tamp ????ok.
???, ?????2~3mm, ?16g ?, ??tamp, ?????. |
Example 3 -
Similar grinder setting as 1 & 2
heavy tamp
19gram
94-95 Deg
40sec for 30cc
http://www.youtube.com/watch?v=AEKp_Ov2Mpc
Example 4 - (I make a mistake on weight)
grinder setting is 2mm finer than example 3
NO tamp
19gram
94-95 Deg
http://www.youtube.com/watch?v=Wacu9qaikxQ |
ground level same as example 4.
19.5 gram
light tamping.
try 1 try. |
example 4
I feel it is too fine
Try to take the video when you put the grounded coffee into the basket
_________________
http://pillowpaky.blogspot.com/ |
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alexfan
註冊時間: 2008-09-18
文章: 266
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shing
Site Admin
註冊時間: 2006-03-01
文章: 1100
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alexfan
註冊時間: 2008-09-18
文章: 266
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| 發表於: 星期四 四月 23, 2009 9:47 am 文章主題: |
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| shing 寫到: | grinder setting coarse 1 turn than example 7.
19.5 ~ 20 grams.
dont flush before brewing. |
Here it is
http://www.youtube.com/watch?v=dXpctKidL7k
19.5 gram
36 sec
30cc
96C |
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pillowpaky
註冊時間: 2007-11-24
文章: 696
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alexfan
註冊時間: 2008-09-18
文章: 266
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EL
註冊時間: 2007-05-05
文章: 105
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| 發表於: 星期五 四月 24, 2009 1:41 am 文章主題: |
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????????????温?????????????????tamping???Post ???????Shing??Pillowpaky?????????????????
EL 在 星期五 四月 24, 2009 11:34 pm 作了第 1 次修改 |
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