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different grinder setting for L/D beans?
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faster
Senior Member


Joined: 27 May 2013
Posts: 93
Location: France
Expertise: I live coffee

Espresso: ISOMAC TEA II
Grinder: Rossi RR45
Roaster: PIDed, Modified "My...
Posted Tue Aug 6, 2013, 11:25pm
Subject: Re: different grinder setting for L/D beans?
 

LowThudd Said:

No. Why?

Posted August 6, 2013 link

Because it makes no sense. It's like saying I should tear down my stairway that has normal steps and rebuild them with 1/2 size steps so I have to do twice as many steps to go up, while the regular steps were just fine...
If I was unable to regulate the grind settings OK, but I have already 0-3 step adjustment with 40 steps
80 step settings changes absolutely nothing, it is the same distance multiplied by 2;-)
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,227
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4, Pharos,...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Wed Aug 7, 2013, 3:57am
Subject: Re: different grinder setting for L/D beans?
 

I don't know your grinder, but it's worth researching. If the stairway analogy holds true (twice the number of steps that are half the distance of the ones you have now), then it's worth modifying. The tighter the steps the finer control you have to getting your grind just right. That's why most espresso grinders are actually stepless, giving one infinite control of the fineness...but as they say ignorance is bliss. No, not saying you are ignorant, but rather, you probably just don't know what you're missing.
.

 
.
Always remember the most important thing is what ends up in your cup!
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MadDawg1076
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Joined: 8 Apr 2013
Posts: 15
Location: Dallas, TX
Expertise: I like coffee

Posted Wed Aug 7, 2013, 6:29am
Subject: Re: different grinder setting for L/D beans?
 

I think there is a reversible stepless mod that would make more sense than buying the 80-step ring if that is something the OP would be interested in.  There are some post about it on Home-Barista and CoffeSnobs about it.  It would be free to try, but some people have problems getting the adjustments to hold.  It seems like the threads have a little too much play in them to be ideal, and some are possibly worse off than others.

Anyways to summarize the mod:
Remove the piece that catches the steps
Wrap threads in teflon tape, be sure to use enough to keep it from walking and changing settings

The consensus is that this also reduces burr wobble possibly increasing quality of grind?

However, the OP never mentioned being unhappy with the quality of his espresso, so I will stop here rather than push this further off-topic.

Chris
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LowThudd
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Joined: 19 Jul 2013
Posts: 63
Location: Van Nuys
Expertise: I live coffee

Espresso: Gaggia Espresso, Mukka,...
Grinder: Grindmaster 625(RR45)
Roaster: Salton Popcorn popper
Posted Wed Aug 7, 2013, 6:37am
Subject: Re: different grinder setting for L/D beans?
 

faster Said:

Because it makes no sense. It's like saying I should tear down my stairway that has normal steps and rebuild them with 1/2 size steps so I have to do twice as many steps to go up, while the regular steps were just fine...
If I was unable to regulate the grind settings OK, but I have already 0-3 step adjustment with 40 steps
80 step settings changes absolutely nothing, it is the same distance multiplied by 2;-)

Posted August 6, 2013 link

It is a very common modifacation. The 80 step ring is more exacting, and is fact the NORMAL ring for newer RR45s. the 48 step ring is an older design. Some people even modify the RR45 to be stepless. Yes, it does make sense. Especially if you do some research.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
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 Aug 7, 2013, 10:25am
Subject: Re: different grinder setting for L/D beans?
 

He could try removing the stop pin but when I played with one a while ago, there was enough torque to screw the adjuster down due to the grinding action in the grind chamber and the pin was needed in the grinder  I played with YMMV!

 
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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faster
Senior Member


Joined: 27 May 2013
Posts: 93
Location: France
Expertise: I live coffee

Espresso: ISOMAC TEA II
Grinder: Rossi RR45
Roaster: PIDed, Modified "My...
Posted Thu Aug 8, 2013, 12:42am
Subject: Re: different grinder setting for L/D beans?
 

Thank you all for your help, explanations and suggestions for the RR45...

I will keep in mind the modifications if I start to experience "drifting"... so far so good, I am reluctant to buy a pin and ring with a double density markings, (that I can't even find in France) to do finer adjustments that so far I did not find necessary...(blessing?) I found a replacement ring but same = 40 steps....The stepless mod seems interesting.

I grind double shot at a time, because I have no hopper and I use a small glass turned upside down to keep the beans from flying...So far it works good, the only thing I did is got new burrs. There was 100% improvement in grind.

Q: If you do the teflon tape mod, can you still keep the pin to keep the ring from drifting? I read somewhere that the pin has to be there, (also works as a "safety")...?

cheers
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LowThudd
Senior Member


Joined: 19 Jul 2013
Posts: 63
Location: Van Nuys
Expertise: I live coffee

Espresso: Gaggia Espresso, Mukka,...
Grinder: Grindmaster 625(RR45)
Roaster: Salton Popcorn popper
Posted Thu Aug 8, 2013, 4:19am
Subject: Re: different grinder setting for L/D beans?
 

No, the pin needs to come out. There are other methods though. Here are a couple links that explain the mods: Click Here (www.home-barista.com) Click Here (www.homeroasters.org) and Click Here (www.home-barista.com)

I really like the first one, but AFAIK it is just a one off from a very talented machinist.

BTW, if you can get one cheap, I use the cone hopper adapter piece that came with my grinder as a small hopper. It has a stopper plate in it to stop beans from flying out. Worth the $8 they go for. ;)
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faster
Senior Member


Joined: 27 May 2013
Posts: 93
Location: France
Expertise: I live coffee

Espresso: ISOMAC TEA II
Grinder: Rossi RR45
Roaster: PIDed, Modified "My...
Posted Fri Aug 9, 2013, 1:13am
Subject: Re: different grinder setting for L/D beans?
 

LowThudd Said:

No, the pin needs to come out.
BTW, if you can get one cheap, I use the cone hopper adapter piece that came with my grinder as a small hopper. It has a stopper plate in it to stop beans from flying out. Worth the $8 they go for. ;)

Posted August 8, 2013 link

Get one cheap...what? You mean hopper? I would like something small that keeps the beans in from jumping out, so I don't have to always stick that upside down glass in...

I thought I ask, before I take the adjustment ring from rr45 out: Can I put a little bit of Teflon tape...1-2 turns, just to make the threads more tight and keep the pin in place?
I don't want to take it apart for nothing, because it is set up OK and marked....

Lastly do you users have a problem with static in the SS shoot? (But that's no big deal)
TIA
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LowThudd
Senior Member


Joined: 19 Jul 2013
Posts: 63
Location: Van Nuys
Expertise: I live coffee

Espresso: Gaggia Espresso, Mukka,...
Grinder: Grindmaster 625(RR45)
Roaster: Salton Popcorn popper
Posted Fri Aug 9, 2013, 3:19am
Subject: Re: different grinder setting for L/D beans?
 

Not the whole hopper just this piece: http://www.espressoworkshop.com/shop/shop827.html If you shop around locally you may be able to find one cheaper, that is just the first one I found.

I haven't tried the teflon mod, so I can't comment. But, if you like the settings where they are, I wouldn't bother with the teflon mod.
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faster
Senior Member


Joined: 27 May 2013
Posts: 93
Location: France
Expertise: I live coffee

Espresso: ISOMAC TEA II
Grinder: Rossi RR45
Roaster: PIDed, Modified "My...
Posted Fri Aug 9, 2013, 4:33am
Subject: Re: different grinder setting for L/D beans?
 

LowThudd Said:

Not the whole hopper just this piece: http://www.espressoworkshop.com/shop/shop827.html If you shop around locally you may be able to find one cheaper, that is just the first one I found.
.

Posted August 9, 2013 link

Thanks a lot, that's exactly what i've been looking for...
cheers
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