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Discussions > Espresso > Lever Espresso > Londinium  
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redpig
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Posted Mon Nov 12, 2012, 8:43am
Subject: Re: Londinium
 

IMAWriter Said:

Will, welcome to the CG Forums!

Posted November 11, 2012 link

Thanks!

IMAWriter Said:

For purely scientific reasons, of course. :>D

Posted November 11, 2012 link

Well . . . . if it's for science :D
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IMAWriter
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IMAWriter
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Posted Mon Nov 12, 2012, 9:09am
Subject: Re: Londinium
 

redpig Said:

Thanks!



Well . . . . if it's for science :D

Posted November 12, 2012 link

Will, just read your TERRIFIC 1st posting on HB. You are certainly most knowledgeable, and you've done some very inventive things with your grinder.
I look forward to your contributions here, and especially as it relates to the Londinium.

 
Rob J (LMWDP #187)
My Music Production web site:
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Coffeenoobie
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Coffeenoobie
Joined: 11 Dec 2011
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Espresso: N S Oscar
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Posted Mon Nov 12, 2012, 10:40am
Subject: Re: Londinium
 

If you have a party be sure to film or take lots of photos of pulls.  I need to live vicariously.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

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IMAWriter
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IMAWriter
Joined: 4 Jul 2002
Posts: 5,966
Location: Brentwood, TN
Expertise: I live coffee

Espresso: Bezzera Strega
Grinder: Forte, OE Pharos,...
Vac Pot: Adcraft SS, Yama 8 cup
Drip: Brazen, Kalita, Chemex,...
Roaster: Behmor 1600+
Posted Mon Nov 12, 2012, 11:06am
Subject: Re: Londinium
 

Coffeenoobie Said:

If you have a party be sure to film or take lots of photos of pulls.  I need to live vicariously.

Posted November 12, 2012 link

:>D

 
Rob J (LMWDP #187)
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redpig
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Joined: 3 Oct 2012
Posts: 14
Location: TN, US
Expertise: Just starting

Espresso: Cellini Evoluzione v1
Grinder: DRM Conico Diretto 68
Posted Mon Nov 12, 2012, 11:16am
Subject: Re: Londinium
 

Coffeenoobie Said:

If you have a party be sure to film or take lots of photos of pulls.  I need to live vicariously.

Posted November 12, 2012 link

Too much espresso and maybe I wouldn't want any evidence left behind!
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Coffeenoobie
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Coffeenoobie
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Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Mon Nov 12, 2012, 11:19am
Subject: Re: Londinium
 

just shoot the cups and the machine and leave the faces off....

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

My coffee treasure map...
Click Here (maps.google.com)

Oscar trick out: http://s156.photobucket.com/user/GandBteam/story/14231
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redpig
Senior Member


Joined: 3 Oct 2012
Posts: 14
Location: TN, US
Expertise: Just starting

Espresso: Cellini Evoluzione v1
Grinder: DRM Conico Diretto 68
Posted Mon Nov 12, 2012, 11:31am
Subject: Re: Londinium
 

(Replying out of order, but why not :)

IMAWriter Said:

Will, just read your TERRIFIC 1st posting on HB. You are certainly most knowledgeable, and you've done some very inventive things with your grinder.
I look forward to your contributions here, and especially as it relates to the Londinium.

Posted November 12, 2012 link

Thank you - I hope I can add something here! I can't wait to see where the L1 takes me.


Coffeenoobie Said:

just shoot the cups and the machine and leave the faces off....

Posted November 12, 2012 link

I ... see ...

:D
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BLrdFX
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BLrdFX
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Posted Mon Nov 12, 2012, 11:37am
Subject: Re: Londinium
 

When you all are pulling shots on the new L-I please try the technique of standing on bathroom scales so you can measure the force necessary to pull a shot.  That method seemed to make sense to me and nobody has Posted anything about the pulling force in real numbers.

The difference between your actual weight, which we do not need to know, and the weight when the shot is being pulled.  I would bet it will take two people for the reading.

Just a thought :-)

Stephen
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redpig
Senior Member


Joined: 3 Oct 2012
Posts: 14
Location: TN, US
Expertise: Just starting

Espresso: Cellini Evoluzione v1
Grinder: DRM Conico Diretto 68
Posted Mon Nov 12, 2012, 12:32pm
Subject: Re: Londinium
 

BLrdFX Said:

The difference between your actual weight, which we do not need to know, and the weight when the shot is being pulled.  I would bet it will take two people for the reading.

Posted November 12, 2012 link

I'll definitely try it though my home scale is notoriously bad.  I've been looking forward to trying it!  I'm very curious to know how the 2-spring versus 1-spring power pans out, both from compression effort and from resulting pressure and taste.  I also don't know if the L1 uses the same spring as the traditional 1 spring bosco setup or something different.

Hoi Chi Ng over at Coming Soon Coffee did some Scace testing with the normal Bosco and show it was maxing at 6.55 bars (~95 PSI) downforce.  Quick Mill seems to say that the Achille generates 11 bar on a blank, but I'm not sure how that compares to testing with a Scace.  Making bold and naive assumptions, put me down at a guess around ~21 lbs of force.

The thing I've noticed is that in Reiss's videos of the L1, he doesn't use two hands while most videos of the Achille ones show two hands.

cheers!
will

(edit: there's a thread somewhere talking about the different pressure characteristics of blank (tire gauge) v scace for measurement, but I can't find it. The 11 bar on a blank filter is more than likely a lower number on a scace. Thinking about it, I'd up the downforce in my guess, but it's all made up, so why bother :)
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GVDub
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Posted Mon Nov 12, 2012, 12:55pm
Subject: Re: Londinium
 

A portable digital luggage scale could strap on to the lever and show the required pull force without having to mess with a bathroom scale.

Just a thought.
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