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Thread: About Tampers

  1. #1
    Junior Member SunnyCoastDazza's Avatar
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    About Tampers

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    Could some please tell me why someone would prefer a curved bottom tamper over a flat?

    is it a case of personal preference or does the shower screen type come into play?

    cherz

  2. #2
    Senior Member level3ninja's Avatar
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    From what I've read it's a tiny bit to do with the shower screen but mostly to do with the shape of the bottom of the basket. A basket like a VST is very flat with near right angle corners, so a flat tamper with square edges is best for them. Some other baskets have much more rounded corners, some have sides they slope quite a bit. These baskets typically have uneven flow through them. In order to get even flow across the bottom of the basket with these baskets you need to have flow resistance in the coffee puck that is inverse to the basket, a curved bottom tamper can help create this (the other way to do it is to have a mound of coffee in the middle of the basket and tamp it with a flat tamper without settling). Both of these methods produce a bed of coffee with higher density in the middle and lower density at the sides. Some people also say that curved tampers press the coffee into the sides of the basket better. If you use a tamper matched to the size of your basket you won't have a problem with the edges not getting tamped.

    There are some who like a lightly curved tamper to miss the screw head sitting proud of the shower screen.
    Last edited by level3ninja; 2 Weeks Ago at 06:08 AM.
    topshot and SunnyCoastDazza like this.

  3. #3
    Senior Member woodhouse's Avatar
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    also if your grounds are touching the shower screen, you are using too much coffee for that basket. buy one rated for the amount of coffee you would like to use.
    topshot and CafeLotta like this.

  4. #4
    Junior Member SunnyCoastDazza's Avatar
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    I am a believer of the 5 cent method. But yes get your point

  5. #5
    Junior Member SunnyCoastDazza's Avatar
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    Quote Originally Posted by level3ninja View Post
    From what I've read it's a tiny bit to do with the shower screen but mostly to do with the shape of the bottom of the basket. A basket like a VST is very flat with near right angle corners, so a flat tamper with square edges is best for them. Some other baskets have much more rounded corners, some have sides they slope quite a bit. These baskets typically have uneven flow through them. In order to get even flow across the bottom of the basket with these baskets you need to have flow resistance in the coffee puck that is inverse to the basket, a curved bottom tamper can help create this (the other way to do it is to have a mound of coffee in the middle of the basket and tamp it with a flat tamper without settling). Both of these methods produce a bed of coffee with higher density in the middle and lower density at the sides. Some people also say that curved tampers press the coffee into the sides of the basket better. If you use a tamper matched to the size of your basket you won't have a problem with the edges not getting tamped.

    There are some who like a lightly curved tamper to miss the screw head sitting proud of the shower screen.
    you brought up a lot I hadn’t considered. Thank you

  6. #6
    Senior Member Yelta's Avatar
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    Quote Originally Posted by SunnyCoastDazza View Post
    I am a believer of the 5 cent method. But yes get your point
    This will get you into the ball park pretty well every time, just a matter of fine tuning from there.



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