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Grindmaster 875 recalibration
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,672
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Wed Jan 8, 2014, 6:36am
Subject: Re: Grindmaster 875 recalibration
 

Congrats:D
Mine sits at the "auto drip" setting nearly all the time, each machine is a little different so use whatever works!

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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Burner0000
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Joined: 28 Jul 2011
Posts: 1,051
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Wed Jan 8, 2014, 6:41am
Subject: Re: Grindmaster 875 recalibration
 

Yeah. Overall I am happy this machine has life left in it. I was even considering getting a new one for $900 big ones.  Now I am on the look out for others used if the price is right. :P
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boar_d_laze
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Joined: 21 Nov 2006
Posts: 1,102
Location: Monrovia, CA
Expertise: I live coffee

Espresso: La Cimbali M21 DT/1 Junior...
Grinder: Ceado E92; "Bunnzilla"
Vac Pot: Royal Coffee Maker
Drip: Chemex + Kone; Espro Press
Roaster: USRC Sample Roaster
Posted Wed Jan 8, 2014, 8:46am
Subject: Re: Grindmaster 875 recalibration
 

The "rule of thumb" ratio of 60g coffee per L water is 16.67unit-weight water:1unit-weight coffee, which is usually published as 17:1 -- but its only a rule of thumb.  Close counts in coffee as well as horse shoes and hand grenades.  Trust your palate, and try to work in amounts which fit your brewing apparatus comfortably and are easy to repeat.

My Espro and Chemx each take a liter, but my balance beam vac pot doesn't, quite.  While I weigh out 55g (instead of 54g -- so shoot me) for it, I guesstimate 900ml of water by leaving a finger's worth of space from the 1L mark in my Bonavita kettle.

But if I screw up and weigh 60g of beans into the grinder... ?  Non espresso brewing is far more forgiving than espresso, and a 10% error doesn't mean much.  You'll also find that missing a grind setting by a mark or two won't supply enough pathos for a tears.  

BDL
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Burner0000
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Joined: 28 Jul 2011
Posts: 1,051
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Wed Jan 8, 2014, 9:02am
Subject: Re: Grindmaster 875 recalibration
 

boar_d_laze Said:

The "rule of thumb" ratio of 60g coffee per L water is 16.67unit-weight water:1unit-weight coffee, which is usually published as 17:1 -- but its only a rule of thumb.  Close counts in coffee as well as horse shoes and hand grenades.  Trust your palate, and try to work in amounts which fit your brewing apparatus comfortably and are easy to repeat.

My Espro and Chemx each take a liter, but my balance beam vac pot doesn't, quite.  While I weigh out 55g (instead of 54g -- so shoot me) for it, I guesstimate 900ml of water by leaving a finger's worth of space from the 1L mark in my Bonavita kettle.

But if I screw up and weigh 60g of beans into the grinder... ?  Non espresso brewing is far more forgiving than espresso, and a 10% error doesn't mean much.  You'll also find that missing a grind setting by a mark or two won't supply enough pathos for a tears.  

BDL

Posted January 8, 2014 link

I'll try out 17:1 tonight. :)  Today's brew was just a tad on the weak side so adding an additional 1-2 g would probably do it. I always go with my palate which is why I would bet on the 2 step finer before adjusting dose. Well see tonight.   If 21g works better for my 12 oz it will be equally pleasing because the dosing spoons I use for beans are measured at about 7 g which will speed up dosing a bit. :p
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Burner0000
Senior Member


Joined: 28 Jul 2011
Posts: 1,051
Location: Cambridge, Ontario Canada
Expertise: Professional

Espresso: Rancilio Silvia, VFA Expres...
Grinder: Macap MX/VFA N1464/Kyocera...
Drip: Manual Drip, French Press
Roaster: Behmor 1600 / Sonofresco
Posted Sun Jan 12, 2014, 8:36am
Subject: Re: Grindmaster 875 recalibration
 

This morning I tried the finer pour over setting with 21g coffee to 360ml water(17:1).  Great pour and a pretty good cup but almost there in terms of taste. I did notice a slight taste of over extraction compared to my last result. I think next I'll try up dosing just a bit on a courser setting.
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