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Thread: can i choke her to death?

  1. #1
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    can i choke her to death?

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hello dear readers, especially thoes with experience in the area of cheap machines - eg. Ikon.

    My question for you is:
    as the subject sudgests, can i kill the pump by tamping too firmly/having too fine grind?

    a book i found by Daniel Benmayor *"Coffee Art" (2004) - says only ever tamp "gently" to avoid choking the coffee.
    Ive read a few threads about tamping though and sounds like old Daniel B. is full of it. :-?

    Your opinions?

  2. #2
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    Re: can i choke her to death?

    gmeddy....

    If, like the standard Ikon, you have pressurised or "crema enhancing ::) :P" baskets then you only need a light tamp. The basket limits the flow (via a pin hole in the outer skin at the bottom)...

    However if you replace the supplied basket with a normal one (or use some other machine with a normal basket) then you need to generate the same resistance to water flow.... to get a good extraction. To do this you must compress the puck by tamping to make it "solid".... normally about 13.5Kg of force is applied.

    If you grind too fine or tamp too hard the resistance will be higher and you will get very little, if any, espresso out. There is a bypass valve in most machines which will open and return the water to the reservoir (or back to the input on mains plumbed machines)..

    There is a school of thought which says a very fine grind and a gentle tamp works very well..... but I personally dont subscribe to that theory.

  3. #3
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    Re: can i choke her to death?

    ;)
    thanks JavaB, im planning on having the depreassurised basket.
    so my little pump should survive even if i do over tamp a fine grind, that sets my mind at ease.

    another question:
    it gets mentioned often, 9g or 18g of coffee, you can weigh your beans before you grind ect,
    what kind of set of scales do you use?
    digital Kmart/tandy job do? :-?

  4. #4
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    Re: can i choke her to death?

    Ooh, I reckon this thread about Scales might be a good place to start! ;)

  5. #5
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    174

    Re: can i choke her to death?

    thanks Greg!
    i might do a search on that auction site n see what comes up...



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