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Difference in technique between sgle & dbl?

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  • Difference in technique between sgle & dbl?

    Good afternoon all

    I have a question. I have noticed that I am having different results when pouring a single and a double shot.
    I am usually pulling singles only at the moment as I am the sole coffee drinker in the house. I am getting some pretty good results now, but when we have guests and Id like to pull a stronger brew, or pour 2 singles things can go a little pear shaped.

    Fro my limited experience, I am fairly sure that my initial technique is the same - I use the same grind setting, dose to the same level, tamp the same - but the pour seems to be a little dodgey. it seems to come through a little quicker than normal, blonds earlier and definately mouse tails.

    I am happy for people to tell me that it is just a technique problem, but I thought id ask if it could also be that you are supposed to grind different, tamp different etc.

    I think its a technique, but lets see. Thanks all.......

  • #2
    Re: Difference in technique between sgle & dbl?

    Shannon,

    You will need a different grind for the single and double baskets.

    Whilst you tamp the same, you may also find that a double basket requires more than twice the quantity of grinds compared to what your single does......

    Technique to get a good shot from a single is quite hard (congratulations)..... it is much easier from a double..... and because of the changes going from a single to a double (or vice versa), most (myself included) only ever use a double..... I either have a double espresso, pour half down the sink..... or into a container in the fridge for iced coffees.

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    • #3
      Re: Difference in technique between sgle & dbl?

      Hey Shannon, just to add to JavaBs observations ...

      Obviously I dont know the configuration of your single & double baskets, but most singles will have the pin-prick holes concentrated in the middle, rather than dispersed along the whole base as do the doubles. Consequently, upon extraction, water takes longer to push through the grind & pour from a single basket compared to a double.

      I use both pfs, but dont alter my grind. Instead, with a single I tamp lighter, to allow the water to flow through easier.

      Perhaps try updosing with the double & tamp slightly harder to compress the puck more thus giving it a higher resistance. Or, alternatively, try a finer grind, and tamp slightly less harder than you ordinarily would with the single.

      Good luck!
      Tony

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      • #4
        Re: Difference in technique between sgle & dbl?

        In my opinion, keep your grind and tamp the same but adjust your dose. From what you have said, try updosing with the double.

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        • #5
          Re: Difference in technique between sgle & dbl?

          You want the grind to be somewhere in the middle. You then updose slightly for the double, and downdose slightly for the single.

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          • #6
            Re: Difference in technique between sgle & dbl?

            Thanks for the advice so far,

            Although there are slight differences in what to do between single and double, at least the concensus seems to be that you need to make some changes when changing from single to double (or vice versa).

            This is kind of good for me as it means that my technique is not solely at fault here.

            Now when I said I am going well with the single, I should clarify that I am going well for ME It is incredibly hard to alleviate channelling with the single, but as I am still at the start of my snob journey it is going well. I used to only drink doubles for the reason that they produce a better shot more easily, but when Allison realised how many coffees I was having a day and then worked out they were doubles ..... well lets just say Im drinking singles now ;D. If I could get a handle on the channelling then Id be very happy drinking the singles I reckon.

            Thanks again, I will now at least know that some things need to change when going to a double so can mess around knowing that I doing it right.

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            • #7
              Re: Difference in technique between sgle & dbl?

              Id be going to double ristrettos. Less caffeine, more flavour.
              Greg

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              • #8
                Re: Difference in technique between sgle & dbl?

                dial your grind in for a double then down dose for a single

                pat

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                • #9
                  Re: Difference in technique between sgle & dbl?

                  Originally posted by askthecoffeeguy link=1210735754/0#7 date=1210775827
                  dial your grind in for a double then down dose for a single

                  pat
                  Hi Pat, just to clarify - are you saying once I have dialled in the double I then just reduce the dose to single dose, but still have it in the double basket.

                  If I am right in my comments that would be a good as I wouldnt need to change anything but the dose when I want to produce a double. However if this is right, then obviously the grounds will be nowhere near the showerscreen for the single, and I was of the understanding that this would not be a good thing.
                  Thanks again for the help and clarifications.

                  And Greg - I am expecting to be shouted down here ........ but I still struggle to drink my brew without at least a little of the white stuff. I like the taste better through milk AND when I drink espresso it seems to take me a lot less time, which means I drink more of them ;D

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                  • #10
                    Re: Difference in technique between sgle & dbl?

                    Originally posted by Shannon link=1210735754/0#8 date=1210801112
                    Hi Pat, just to clarify - are you saying once I have dialled in the double I then just reduce the dose to single dose, but still have it in the double basket.

                    If I am right in my comments that would be a good as I wouldnt need to change anything but the dose when I want to produce a double. However if this is right, then obviously the grounds will be nowhere near the showerscreen for the single, and I was of the understanding that this would not be a good thing.
                    Thanks again for the help and clarifications.
                    dial the grind in for the double with a standard or high dose. when you are using the single dose less. The puck expansion should be the same because the single basket sits higher in the pf, hence the need to downdose.

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