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Date: 20 Sep 2007 01:06:57
From: Felix Karpfen
Subject: Zassenhaus grinder problem
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For the past 3 years I have successfully used a "Zassenhaus 156ma Knee
Mill" to grind beans for espresso coffees.
The grind is consistently superb.
Now I have just received a Zassenhaus 169dg grinder (as a backup). The
product description reads:
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Date: 21 Sep 2007 06:08:16
From: Felix Karpfen
Subject: Re: Zassenhaus grinder problem
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On Thu, 20 Sep 2007 15:42:25 +0000, Calvin wrote:
> On Sep 19, 8:06 pm, Felix Karpfen <fel...@webone.com.au> wrote:
SNIP
>> At present, when the grind is set to make "espresso-grade grinds", the
>> beans do not feed into the bean hopper;
>
SNIP
> As already suggested they may be too big to fit. Sometimes with my
> zass I will make a double pass on the beans. On the first pass I set
> the grinder to a really wide setting - usually three full turns from
> full close.
SNIP
>
> It's a hack, but it works.
My thanks to both Johnny and Calvin for their advice.
The diagnosis was spot-on.
I am fortunate to have access to green beans from all parts of the world
- the available selection changes each month. The beans, that I used for
checking the performance of the new Zassenhaus, were the biggest beans
that I have ever seen. (Indian Monsoon-washed Malabar).
I suspected that bean-size might have been the problem, but was not
smart enough to think of "double passes". The best idea (not tried),
that I managed on my own, was to use mortar-and-pestle to reduce the
bean-size. "Double passes" will be much less messy and give a more
consistent starting-size for the "Espresso-grind".
Problem solved!
Felix
--
Felix Karpfen
Public Key 72FDF9DF (DH/DSA)
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Date: 20 Sep 2007 15:42:25
From: Calvin
Subject: Re: Zassenhaus grinder problem
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On Sep 19, 8:06 pm, Felix Karpfen <fel...@webone.com.au > wrote:
> At present, when the grind is set to make "espresso-grade grinds", the
> beans do not feed into the bean hopper; they just sit in the chute on
> the surface of the hopper. The beans can be persuaded to drop into the
> hopper by choosing a significantly coarser grind.
>
> Have I missed something or is the machine a dud?
>
> Felix Karpfen
>
> --
> Felix Karpfen
> Public Key 72FDF9DF (DH/DSA)
As already suggested they may be too big to fit. Sometimes with my
zass I will make a double pass on the beans. On the first pass I set
the grinder to a really wide setting - usually three full turns from
full close. The second pass I will set the grinder to what I want for
the brew. The first pass will go very quickly as you are only
knocking the corners off of the beans or breaking them in half. If
you go too small on the first pass the beans (grinds really) won't be
loose enough to fall into the burrs without constantly jarring the
grinder.
It's a hack, but it works.
Calvin
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Date: 19 Sep 2007 18:17:17
From: Johnny
Subject: Re: Zassenhaus grinder problem
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"Felix Karpfen" <felixk@webone.com.au > wrote in message
news:46f1c7b0$0$28165$5a62ac22@per-qv1-newsreader-01.iinet.net.au...
> For the past 3 years I have successfully used a "Zassenhaus 156ma Knee
> Mill" to grind beans for espresso coffees.
>
> The grind is consistently superb.
>
> Now I have just received a Zassenhaus 169dg grinder (as a backup). The
> product description reads:
>
>
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