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Thread: Bit of help with my Pullman Please!

  1. #1
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    Bit of help with my Pullman Please!

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    hey!

    okay so ive got my silvia, an em0480 and up until recently a cheap 58mm stainless tamper. *id been usin them for about a month and was consistently pulling some really decent shots.

    i splashed out on a Pullman tamper last week and it arrived yesterday - and boy did it look great! i ordered a synesso r/l filter to go with it as well so everything fits perfect, but here is my query...

    my shots have basically turned to crap - my first problem is that after my tamp, the match of the tamper to the basket is so exact that a vacuum is created, and it lifts the edges of the puck up, breaking the seal. secondly im doing everything the same as i used to, and ive got the grind so that its still pouring 30ml in 25secs, but it tastes rubbish and i can see that it must be channeling because the colour is nowhere near as dark as it used to be, and it blonds quite quickly... i used to use a convex tamper and the Pullman i got is flat, but i know the tamp is level cos the rings are level and the tamper spins freely.

    jees im makin this pretty confusin... anyways has anyone had this before, or is it just really crummy technique on my behalf. i am in no way saying that the tamper is at fault - its bloody near perfect, but i am just after a bit of help to improve my technique and get a good shot flowing again


    thanks for reading my ramblings!

    cheers
    craig

  2. #2
    Site Sponsor pullman's Avatar
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    Re: Bit of help with my Pullman Please!

    Quote Originally Posted by scottishslayer link=1208261828/0#0 date=1208261828
    ive got the grind so that its still pouring 30ml in 25secs,
    craig

    Hi Craig,

    Do you really mean that or do you mean 60ml in 25 secs (it is a double basket)

    If you are extracting a ristretto then 30ml in 25 secs would be OK - assuming you are using about 19 grams of grinds.

    If you are trying to use the basket as a single (less coffee grinds) that will cause a problem as the tamper is a "perfect fit" only towards the top of the basket (where you would be if there were 18-19 grams in the basket). If you have say 14 grams (or less) the baskets taper a little and the tamper may fit too tightly at that depth.....

    A convex tamper is also more forgiving of technique with an poorly fitted tamper (IMHO) but there should be very little difference, if any, between a flat and a convex base on a fitted tamper......

    Also one tamp, and one tamp only.... and if you wish to polish the surface - use the wieght of the tamper only or very, very light pressure. Dont rotate it with anything like normal tamping force applied.

    Hope that helps,
    Robin.

  3. #3
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    Re: Bit of help with my Pullman Please!

    thanks heaps for getting back to me so quickly robin, its much appreciated- i figure i better get some proper use out of it so i can give you some good feedback for the site!

    anyways to clear things up, yes i am usually pulling 30ml ristrettos with about 18g, but have also done a couple of 60mls too with about the same amount (18g).

    although i have only been using the single tamp, i have been turning it with almost full pressure for about 360degs before the polish, so ill stop that and see how it goes

    practice makes perfect of course so ill give it a go keeping in mind ur suggestions and im sure ill get there soon!


    cheers again!
    craig

  4. #4
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    Re: Bit of help with my Pullman Please!

    So Craig, any improvements?

  5. #5
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    Re: Bit of help with my Pullman Please!

    erm i have had only time to make one coffee (ive got the silvia warming up now for the second...), so i havent really had time to improve my technique.

    the shot that i did make came out pretty bad tho - i measured 19g into the synesso, tamped hard once and then polished with only the weight of the tamper. the colour was not very dark and it blonded quickly, so im guessin that i must be dosing it dodgy or something since i have a good amount of grinds in the basket and the TrueTamp rings match up evenly.

    i ordered a naked portafilter which should be here soon, which will help me see whats goin on a bit better...

    anyways ill keep ya posted!


    cheers
    craig

  6. #6
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    Re: Bit of help with my Pullman Please!

    Whats the surface of the puck look like after extraction? Any obvious signs of channeling? When I sold my Silvia off (was using a LM basket with it) and got the Faema, I suddenly had side channeling problems which Id never experienced before with the Silvia. I tried all sorts of changes to my technique with little improvement, until I tried the "nutating tamper motion" (look it up on Google). Ive never had any side channeling since changing to that technique. Might be worth a try.


    regards,
    Bill

  7. #7
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    Re: Bit of help with my Pullman Please!

    my pucks usually look pretty decent - nothin obvious, but i gave the nutating technique a bit of a go.

    lightly before the actual tamp i put some slight pressure on it and gave it a rotate, then tamped properly - it actually came out quite nice, but began blonding at about 30ml where i cut it off. the puck came alright, but maybe a tiny bit soggy (i removed it almost immediately from the group head).

    i think a quick hands on lesson with someone that knows whats goin on (my espresso making is either personal experience or videos on youtube really) would be really beneficial as i pick things up a lot quicker when i can see whats goin on; but for now i guess ill just try different things until i get what works for me...

    thanks for the tips and please keep em coming!


    cheers
    craig

  8. #8
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    Re: Bit of help with my Pullman Please!

    Hi Craig,

    You should have received an instruction sheet with your tamper but if you didnt or its grown legs have a read through http://www.coffeetamper.com.au/information/tamping-tips.html, use the technique on there and see if you still have troubles. Its not a silver bullet but itll help identify if its technique or something else. If you had to adjust your grind or anything when you got the tamper it may be that youre generating more pressure than before or something which could be picking up discrepancies in your technique which werent evident before.

    Would also be interesting to temporarily try going back to your old tamper and see if things suddenly recover.

    Greg

  9. #9
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    Re: Bit of help with my Pullman Please!

    Okay so i went out this morning to St Ali (my first time) and came back with two lots of beans. Ive just made a cup with their espresso blend, doing everything "by the book" as it were - im loving it! It came out dark and syrupy and tasted better than it looked, and the blend is fantastic (I cant wait to try the Mountain Top SO roast)!

    Anyways thanks for your help everyone, im gonna be wired tonight!


    Cheers
    Craig

  10. #10
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    Re: Bit of help with my Pullman Please!

    Behmor Brazen - $249 - Free Freight
    Great Craig! Sounds like youll be on top of things in no time! ;)
    Greg



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