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Sunbeam EM6910 - Sour Espresso = Temperature Issue?

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  • #16
    Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

    Originally posted by 0D2A2C2B265F0 link=1299667325/14#14 date=1299820524
    use a Dema.RAL tamper for set and forget tamping.
    OT: When you go to upgrade ya tamper ... Call me

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    • #17
      Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

      Hey Jayson,

      Maybe you just need to extract a bit more volume? The first third is generally sour, second sweet, and third bitter.  If you dont get enough of the last third you could get an overall sour tasting shot.

      Just my 2 cents 

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      • #18
        Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

        Hey guys, sorry about the late response, have been busy over this weekend,

        Ive tried:
        - lowering the dose, with a finer grind, the pour looks good, but the sourness persisted.
        - dropping the brew temp to factory setting, which resulted in the same sourness, if not worse.

        Originally posted by 425A48535255575A4F525D3B0 link=1299667325/13#13 date=1299766342
        I was actually suggesting you check your machine to make sure its not faulty. Ive read of some 6910s not producing hot enough water.
        Is there an accurate way to gauge the temperature at the brew head? Ive read that the water cools as it exits, and will always read lower than optimal.

        Originally posted by 425A48535255575A4F525D3B0 link=1299667325/16#16 date=1299891116
        aybe you just need to extract a bit more volume? The first third is generally sour, second sweet, and third bitter. If you dont get enough of the last third you could get an overall sour tasting shot.
        Ive also tried stopping the shot lighter (well after the onset of blonding) but the overbearing sourness still persisted.

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        • #19
          Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

          Originally posted by 353E262C3031333A30285F0 link=1299667325/12#12 date=1299758473
          TG -
          What are some of the benefits youve found with lower doses?
          To what extent are you lowering the dose? eg. do you end up with a sloppy puck?
          One benefit has been less cleaning needed as updosing tend to push grinds into every nook and cranny.

          Another one is getting about two more shots from a bag of beans.

          I get the occasional sloppy puck if I havent adjusted correctly.

          Ive gone as low as 17g, down from my old mark of 21g.

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          • #20
            Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

            Originally posted by 5F47554E4F484A47524F40260 link=1299667325/1#1 date=1299674017
            I find that I get best results when I extract shots in around 30+ secs
            Im not sure I agree with myself anymore... ha ha! What a learning process!  Im back to aiming for the traditional 25-30 sec mark.

            Originally posted by 724E5348424354414942260 link=1299667325/18#18 date=1300015390
            One benefit has been less cleaning needed as updosing tend to push grinds into every nook and cranny.

            Another one is getting about two more shots from a bag of beans.

            I get the occasional sloppy puck if I havent adjusted correctly.

            Ive gone as low as 17g, down from my old mark of 21g.
            Ditto, pretty much exactly.

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            • #21
              Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

              Sorry for the extremely late reply guys, have been quite busy over the last couple of weeks,
              and I still havent resolved this issue.

              Is there a way that I can accurately measure the temperature exiting the group head? So then Ill have some figures to report to those at Sunbeam Customer Service.

              Thanks again,

              Comment


              • #22
                Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

                Originally posted by 6C677F7569686A636971060 link=1299667325/20#20 date=1301049204
                Sorry for the extremely late reply guys,  have been quite busy over the last couple of weeks,
                and I still havent resolved this issue.

                Is there a way that I can accurately measure the temperature exiting the group head? So then Ill have some figures to report to those at Sunbeam Customer Service.

                Thanks again,
                Scace it   

                Or at least have the probe up in the shower screen, stable for 10 or 15 min and pull at least 5 shots using a single SB basket (double floor) and data log the temp changes over time.... The CS temp meter / data logger and Andys software is great.

                PS. Publish here first as I would suggest they will be inside the standard temp limits for SB and many others...

                OR

                You could try this....

                http://coffeesnobs.com.au/YaBB.pl?num=1266222481/20#20

                Comment


                • #23
                  Re: Sunbeam EM6910 - Sour Espresso = Temperature Issue?

                  Unfortunately, Im unable to log the temp changes over time, as I dont have that kind of equipment at the moment.

                  I did however replicate Yashs test, and with the temperature set a default, I achieved a max temperature of 80 degrees.
                  Thats approximately 5 degrees shy of the result which Yash attained previously.
                  Pushing the temperature up by 4 degrees saw the max increase to 85.

                  Would that be considered to be within the suitable range for this machine?


                  Thanks,

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