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Thread: 1st Expobar Minore II on my bench

  1. #1
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    1st Expobar Minore II on my bench

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Well they arrived today. I have tweaked the 1st unit and have it on the bench....

    Initial impressions....

    Pretty well packed but only one group handle. They are not shipping with cool touch wands but standard 2 hole 10mm tip wands.

    Pump pressure was set to 12 bar- but easily tweaked. My PF gauge and the machine gauge read similar- machine 0.5bar over what my pf gauge reads....

    Stainless quality better than I expected....

    More- including pix to come....

    Chris

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    Re: 1st Expobar Minore II on my bench

    Looking forward to seeing this!

    I will be after one of these in mid August. I have to fund a holiday first.

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    Re: 1st Expobar Minore II on my bench

    okey doke....yucky mobile fone pix.... Ill pop up some better ones tomorrow...

    gauges- top is boiler pressure, bottom is pump....thermostat on the left (yet to play with temp. Stainless finish is better than I saw on the prototype....

    NB Giotto group handle loaded in this pic....

    1 average shot out of it so far.....I need to experiment!

    Chris


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    Re: 1st Expobar Minore II on my bench

    *jealous*

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    Re: 1st Expobar Minore II on my bench

    Is there an offset on Minores? ie Is the temp readout exactly what comes out at the group? If not what is the temperature drop?
    Im just guessing the 95*C on the front equates to boiler temp not group temp...?

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    Re: 1st Expobar Minore II on my bench

    Yep, theres a programmable offset. The 95C thing should, theoretically, equate to what comes out of the group.

    I found an interesting thread on home-barista.com by John Bicht, the inventor of the Versalab M3. Basically, it says that theres a lot of inherent error in most temperature measurements: http://www.home-barista.com/forums/viewtopic.php?p=4463

    ... but, of course, those measurements are likely to be repeatable using the same equipment. This means that Minore owners shouldnt expect to be able to just dial in the perfect temperature by reference to what someone else tells them, but should be able to repeat temperatures that they want. Of course, if you had two Minores next to each other, I guess you could tweak the offsets until a given blend on either of them tasted the same at the same displayed temperature value ...

    *end uber geekiness*

    Luca

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    Re: 1st Expobar Minore II on my bench

    Hey Ill have one of those *;)

    Yep the temperature on the display is what should come out of the group. *I believe the offset temperature is the temperature difference between the boiler temperature and the brew temperature. The guys at home barista recommended setting the offset to -7, which equates to a 7 degree difference in temperature between the boiler and brew temperature. * By default the offset for the Minore I was said to be set to -6. *For back to back shots, a lower offset, such as -6 is recommended because the group retains a higher temperature from previous shots. *However for casual home use, an offset of 7 for shots more than 2 minutes apart was the recommended setting as there is sufficient time for the group to cool to the appropriate temperature.

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    Re: 1st Expobar Minore II on my bench

    Very nice - but Id prefer one without the engraved image of a person on mine.

    Or was it the image of the devil seeing as the pic was posted on 6/6/06? *:)

    Ron

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    Re: 1st Expobar Minore II on my bench

    Quote Originally Posted by p38arover link=1149585714/0#7 date=1149630238
    Very nice - but Id prefer one without the engraved image of a person on mine.

    Or was it the image of the devil seeing as the pic was posted on 6/6/06? :)

    Ron
    Deus ex Machina!!

    Java "Uber G(r)eekness indeed!" phile

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    Re: 1st Expobar Minore II on my bench

    Very nice! Whats the going price on one of these?

    LG

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    Re: 1st Expobar Minore II on my bench

    LG- Have PMed you....


    Chris

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    Re: 1st Expobar Minore II on my bench

    Very interesting, I could be in the market for one of these.......
    Chris, do you have a price & eta for these?

    Karl

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    Re: 1st Expobar Minore II on my bench

    Quote Originally Posted by p38arover link=1149585714/0#7 date=1149630238
    Very nice - but Id prefer one without the engraved image of a person on mine.

    Or was it the image of the devil seeing as the pic was posted on 6/6/06? *:)

    Ron
    Hey - be thankful he was wearing clothes!
    There are many examples on the net of people taking photos of a shiny object for putting up on auction sites without due care about what the reflection might show.

    BTW - when did the number of the beast become 662006?

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    Re: 1st Expobar Minore II on my bench

    Quote Originally Posted by fatboy link=1149585714/0#12 date=1149689088
    Hey - be thankful he was wearing clothes!
    There are many examples on the net of people taking photos of a shiny object for putting up on auction sites without due care about what the reflection might show.
    Oh, they know theyre doing it... :o

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    Re: 1st Expobar Minore II on my bench

    Chris,

    Whats the tiny thing behind 3-way valve exit? Bits of water comes out from that tiny thingy.

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    Re: 1st Expobar Minore II on my bench

    Quote Originally Posted by Jacky link=1149585714/0#14 date=1149867917
    Chris,

    Whats the tiny thing behind 3-way valve exit? Bits of water comes out from that tiny thingy.
    Hmm- dunno- not that Ive seen so far... :-/

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    Re: 1st Expobar Minore II on my bench

    Chris,

    re "Whats the tiny thing behind 3-way valve exit? Bits of water comes out from that tiny thingy" from the post above yours.....

    If you look closely (very closely) at the photo you took, you will find there is a droplet of water falling out of the relief / exhaust valve exit. You snapped it right at the point where the droplet is elongating / glugging on down before it separates & falls right away from the outlet...well done!

    In which case for the information of the enquirer (jackie?), yes there is a droplet of water exiting from the relief valve. This is quite normal, although technically there shouldnt be any liquid dropping out of the relief valve unless the operator has just stopped brewing a coffee...but you will have to tell that to all the E61 mechanical group machines that werent told that before they left the factory!!!!!!!!!! ;)

    Of course, an occasional drop is not a problem...however if it develops into a steady leak, then its not really supposed to be there & should be rectified.

    Regardz,
    FC.


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    Re: 1st Expobar Minore II on my bench

    Actually theres a small water outlet (90 degrees facing down) behind the 3-way relief / exhaust valve exit.

    Chris, I believe youre the one with the machine, if you take a look on your machine, youll notice a small device betwen 3-way relief valve exit and stainless steel plate of Brewtus. Theres water coming out of it. Whats that?

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    Re: 1st Expobar Minore II on my bench

    Is this what you are referring to?


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    Re: 1st Expobar Minore II on my bench

    Thats the one. Ive seen it posted on other sites, but no one knows what it does.

    Also, when water comes out from there, it doesnt align perfectly into the hole of the tray.

  21. #21
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    Re: 1st Expobar Minore II on my bench

    The guys at Bella Barista seem to have worked this one out. They claim it is for venting water from the pump OPV valve when pulling a shot.
    http://www.bellabarista.co.uk/Expobar%20Brewtus%20II%20closer%20look%20encrypted %20v4.pdf

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    Re: 1st Expobar Minore II on my bench

    Behmor Brazen - $249 - Free Freight
    Ta! Mystery solved.



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