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  • Naked portafilter EM 6910

    I am not sure where to put this one.

    I cut out the bottom of a portafilter to create a bottomless one.
    However, the espresso seems to splash around and go where I don't want it, making a bit of a mess.

    I guess my grind is wrong, the espresso does not seem to be as thick as it should be.

    What do I need to do?

    And, a silly question I guess.
    What difference does having a naked portafilter make, apart from a mess! In my case.

  • #2
    Hi Rawill,
    Naked is naked in more ways than one
    Nowhere to hide... but it will inspire you to perfect your dosing and tamping! Practice makes perfect, even if it is a bit messyy

    Comment


    • #3
      How much of the bottom did you cut out? If you look upwards, does the hole expose ALL the filter holes? It needs to do that - if the hole is less in diameter than the diameter of the pattern of holes in the filter, the coffee will be hitting the metal on the way out in the first stages and splashing.

      But more likely is a need to work on consistency and correct Grind, Dose, Tamp. Get them right and the flow almost instantly becomes one central stream that doesn't splash anywhere. On occasion you might get 2 or 3 VERY BRIEF streams that almost immediately amalgamate into the central one.

      Watch the pour from beneath - where the coffee is coming from gives you clues as to what you might be getting wrong.

      Comment


      • #4
        Originally posted by Journeyman View Post

        Watch the pour from beneath - where the coffee is coming from gives you clues as to what you might be getting wrong.
        Not too close or you may get a shot of coffee in the eye.

        Barry

        Comment


        • #5
          Well thank you very much people.

          I will be careful not to look too closely!

          Yes I have uncovered all the holes, I am using a single dose cup, I might try using a double as an experiment.
          All the holes are uncovered with the two cup as well.

          I figured some might me to get my grinding, dosing, tamping right!
          As I wondered if that might be the issue.

          Again, thank you.

          Comment


          • #6
            Originally posted by Barry_Duncan View Post
            Not too close or you may get a shot of coffee in the eye.

            Barry
            You say that as if it's a bad thing...

            Comment


            • #7
              Originally posted by rawill View Post
              Yes I have uncovered all the holes, I am using a single dose cup, I might try using a double as an experiment.
              All the holes are uncovered with the two cup as well.

              I figured some might me to get my grinding, dosing, tamping right!
              As I wondered if that might be the issue.
              Hi Rawill

              Some quick points:-
              1) What baskets are you using? I have a few that spray everywhere as a no cost option... including one whole set of SB 6910 originals.
              2) What do you mean by a single / double dose cup? A naked is open at the bottom so anything under that to hold the coffee is OK. See things coffee (site sponsor) website
              Things Coffee | Pullman Tamper, Coffee Tamper, VST Filter Basket, VST Refractometer, Hottop, Coffee Roaster, KN-8828B-2
              and hopefully that is what yours now looks like!
              3) As identified, nowhere to hide. Your grinding, dosing & tamping are critical. Journeyman's "my new machine" has a fair bit of info about that...
              4) All things being equal (looks up for pigs) a double basket is easier to dial in initially. Singles are more hairtrigger on a naked and are much harder to sort first.

              Have fun experimenting

              TampIt

              Comment


              • #8
                I will check the link, and do more reading and experimenting.

                i am using the single walled, single basket that came with the coffee machine.

                Sorry for the use of incorect terms.

                And yes my naked portafilter looks like the one in the link now, except there is an internal lip on the bottom maybe about 3 mm around the circumference.

                However I will be trying a finer grind, as I believe, my Bar Aroma CG 450 is not grinding fine enough.
                It needs the second mod to get it finer.

                I can see "bubbling", with a normal 2 spout Portfilter.

                I just had a try with the double basket on the naked P/F, it is a lot better than with the single basket, a single stream shortly after the start, but still a few splashes.

                Maybe I should try taking a video, and get you guys to check it out.

                Many thanks

                Robin

                Comment


                • #9
                  Hey Robin,

                  It is often said that the single filter baskets are quite inconsistent and hard to use. I haven't seen one in a naked PF so I can't comment but from what you're saying it sounds that way. Unfortunately, to get consistency and great coffee, a double filter basket is most helpful which seems wasteful for some but completely worth it to others.

                  It may also be worthwhile upgrading to a VST basket/s. From personal experience on my 6910, the 22g has changed my coffee at home quite a lot. But to get rid of the mess, concentrate on distribution of the coffee and how even your tamp is . After all, no fancy equipment can repair poor technique.

                  Mike

                  Comment


                  • #10
                    Originally posted by mwcalder05 View Post
                    Hey Robin,

                    It is often said that the single filter baskets are quite inconsistent and hard to use. I haven't seen one in a naked PF so I can't comment but from what you're saying it sounds that way. Unfortunately, to get consistency and great coffee, a double filter basket is most helpful which seems wasteful for some but completely worth it to others.

                    It may also be worthwhile upgrading to a VST basket/s. From personal experience on my 6910, the 22g has changed my coffee at home quite a lot. But to get rid of the mess, concentrate on distribution of the coffee and how even your tamp is . After all, no fancy equipment can repair poor technique.

                    Mike
                    Hi Mike

                    I fully agree with VST 7g singles in a naked being hard to use, however they are a model of consistency if your grinder & technique is up to it. Most VST issues seem to come down to one or the other: "nowhere to hide". FWIW, Jim Schulman now seems to think singles can give better coffee, so I am not alone in that thought...

                    Grinder: VST's hate excessive fines & stale grinds.

                    I have no experience with Robin's grinder, however a cheap conical will generally give a better result than a cheap flat burr (less fines at the "VST finer espresso grind" end of things). Lucky Robin!

                    "no fancy equipment can repair poor technique" Wow. Nailed it. Much more direct than I have seen.

                    Hope this helps,

                    TampIt

                    Comment


                    • #11
                      Well, I am going to persist with my grinder, and try to get my tamping, dosing technique a bit more sorted.

                      But I have put on a bid on the Sunbeam coffee grinder EM0480 that is recommended to go with the EM6910.
                      My son has this grinder and it seems to do a good job.

                      So we will see what transpires.

                      thank you all for your interest.

                      Robin

                      Comment


                      • #12
                        Hi Mike and Tampit

                        If i get two VST baskets, to replace the standard 6910 baskets I guess I would get a 7 and a 22.
                        If I am wrong please correct me.

                        I only make a coffee for myself in the morning, hence using the single basket, maybe it is a 7 in VST baskets, or is it more like 11, half of a 22.
                        And of course, if buying one basket for me, I might as well buy another for the times I make coffees for guests.

                        Robin

                        Comment


                        • #13
                          For what its worth i have an 18g VST in my em6910 and it was perfect size. Iw anted a bigger one but was swayed because i drink those myself and can split if need be. I wouldn't be assed changing the baskets all the time as they are quite a tight fit.

                          Comment


                          • #14
                            Hey Robin,

                            This is something that comes to personal opinion and I can't answer for you! However, I would say definitely for the 22g. Strictly speaking, this is in fact a triple shot basket. But i think it works best for splitting. So the single..for me personally I would purchase the next basket size up from the 7 which is 15 because I prefer a bigger, fuller flavor, especially with a low end grinder. Not too sure if the VST 7g baskets fix the dreaded single shot basket inconsistency.

                            If you do purchase the 22 or 15, make sure you purchase ridgless! I don't think there's a choice with the 7g

                            Thanks
                            Michael

                            Comment


                            • #15
                              Originally posted by marcism View Post
                              I wouldn't be assed changing the baskets all the time as they are quite a tight fit.
                              Did you get ridged or ridgless? Because mine are quite easy to change over in my 6910.

                              Comment

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