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Thread: Iberital Challenge Info/Documentation

  1. #1
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    Iberital Challenge Info/Documentation

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Hi Guys,
    I just got my Iberital Challenge (with a doser) today in the post and it looks great. I havent tried it out but it looks pretty straight forward. Just wondering if there was any documentation available on this grinder as it didnt come with anything!

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    Re: Iberital Challenge Info/Documentation

    pic 1


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    Re: Iberital Challenge Info/Documentation

    Hi Nicho

    There is no documentation for this excellent grinder but I did find this site with some explanations.

    http://www.thedomesticbarista.com/content/view/2040/27/

    Some advice ... As there is no markings on the dial I found that one revolution altered the time for a 30ml extraction (using the same tamp technique) about 4 seconds. This has helped me dial in a particular bean. Also if moving from espresso to plunger then count the revolutions so you can get back to your original setting easily.

    By the way what coffee machine are you using?

  4. #4
    COFFEECHASER
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    Re: Iberital Challenge Info/Documentation

    Barri, this may be a "how long is a piece of string?" kind of question, but roughly how many turns do you normally back off the adjuster to go from espresso to plunger? I know that it wont be an exact science but more from curiousities sack. (and i know that is what killed the cat but I still need to ask) :D

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    Re: Iberital Challenge Info/Documentation

    About 12!

    Im glad I basically only have espressos otherwise Id get RSI. ;)

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    Re: Iberital Challenge Info/Documentation

    Well you could always have a La Cimbali Jnr....

    50 turns makes 1 mm difference to the grind size..... No wonder it is often claimed they are the most finely adjustable grinder for espresso..... But definite RSI risk changing to plunger and back.....

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    Re: Iberital Challenge Info/Documentation

    Quote Originally Posted by JavaB link=1172720819/0#5 date=1172736891
    But definite RSI risk changing to plunger and back.....
    Not with the Guitar Tuner mod ;)

    Mal.

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    Re: Iberital Challenge Info/Documentation

    Quote Originally Posted by Mal link=1172720819/0#6 date=1172744635
    Not with the Guitar Tuner mod ;)

    Mal.
    Doesnt work with a La Cimbali Jnr (round knob) :(

    Mind you I could always make something up if I had to..... but thats what the KG100 is for - plunger only!!

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    Re: Iberital Challenge Info/Documentation


    Thanks for the replies guys,

    Im finding with my Iberital im getting a good extraction of around 30 seconds for 30mls but after i pull the group head off the machine the coffee grounds are still very soggy and watery. What does this mean? Does it mean that my grind is too fine or that i havent tamped enough or dont have enough coffee in the group head. I beleive that ive filed it with enough coffee

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    Re: Iberital Challenge Info/Documentation

    nicholasm

    Wet pucks are generally a sign of under dosing - you need to put enough coffee into the basket so that - after tamping - when you load the PF the shower screen just touches the surface of the puck - often the centre fixing bolt will leave a small mark in the puck.

    It should be a tight fit into the group assembly - not so much coffee that it wont fit without force.... but if you remove it and check pre extraction you should just see that the shower screen has touched the puck ......

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    Re: Iberital Challenge Info/Documentation

    ah thanks for that will have to try that tomorrow morning, i have noticed the last two times that the assembly of the group head hasnt been that tight

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    Re: Iberital Challenge Info/Documentation

    cool i increased the dose and it gave me a 60 second extraction, whilst the puck was firm when i knocked it out around the top it was still a bit wet. What variable should I be changing next? More finer grind?

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    Re: Iberital Challenge Info/Documentation

    Quote Originally Posted by nicholasm link=1172720819/0#11 date=1172782147
    cool i increased the dose and it gave me a 60 second extraction, whilst the puck was firm when i knocked it out around the top it was still a bit wet. What variable should I be changing next? More finer grind?

    OK you are almost there..... the pour is way too long so make your grind a bit coarser until you get the 30 second pour - and you should have a dry puck as well. :)

  14. #14
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    Re: Iberital Challenge Info/Documentation

    About 6 or so coarser revolutions of the knob should do it. Then fine tune after that.

  15. #15
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    Re: Iberital Challenge Info/Documentation

    Ive got the Iberital Challenge with the doser.
    I find that if you have two of the bays in the doser filled to the brim, thats the perfect amount to fill your portafilter. Two clicks and youre done.

    To minimise wastage (and the doser definitely increases the wastage), I use a brush end or my finger to push the coffee into the bays as it grinds.

    This is a great grinder, but Ive given up trying to change the grind for anything but espresso.

    To add to the perennial doser vs non-doser debate, Id add this; a doser adds nothing when youre making a simple double shot. When youve got friends around and youre making a few coffees, nothing beats them.

    Nate
    Unic Diva/Iberital Challenge/Sunbeam popper



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