Search found 8 matches

by theCoffer
October 17th, 2010, 10:36 pm
Forum: Espresso Machines
Replies: 2
Views: 384

Does anyone knows what espresso machine this is?

The one of the picture below: {image} thanks a lot, theCoffer
by theCoffer
June 19th, 2009, 10:41 am
Forum: Espresso Machines
Replies: 6
Views: 350

Rancilio Nancy - Shots blonde at 20 seconds

hmmm, see, great!, so I will use an RMS tester to measure changes on real AC power. ¿what would it be the appropiate tool for measuring incoming hz? I'll watch the OPV too. Thanks a lot. Yes, I know, I should construct the pressure gage PF, but over here it's hard to get the parts. ¿what's the diffe...
by theCoffer
June 17th, 2009, 10:47 pm
Forum: Espresso Machines
Replies: 6
Views: 350

Rancilio Nancy - Shots blonde at 20 seconds

Self-Answer: I think why it is. I believe it is because the pump has a higher flow than the original one, and because the OPV is a little over 9 bar. Let me explain: The first thing together with the second result in more cold water entering the boiler thus decreasing the boiler's water temperature ...
by theCoffer
June 15th, 2009, 12:24 pm
Forum: Espresso Machines
Replies: 6
Views: 350

Rancilio Nancy - Shots blonde at 20 seconds

Hello everyone, I have a Rancilio Nancy (same internals as Silvia). The pump I have is an Ulka EK. The problem I have with this machine is that, no-matter the distribution, tamping or dosage I use, shots blond early (at second 20 from pressing the brew button). I have tried a lots of types of differ...
by theCoffer
March 17th, 2009, 1:15 pm
Forum: Espresso Machines
Replies: 4
Views: 500

About puck flow resistance variation and the amount of coffee produced

OK, that would leave my doubts more than clear, thanx John and thanx 888
by theCoffer
March 17th, 2009, 1:12 pm
Forum: Espresso Machines
Replies: 2
Views: 314

Is this PID OK for Rancilio Silvia?

Hi everyone, I want to get a cheap PID for my Silvia, so my question is: I found a Selec (made in India) PID at a price I am able to pay, but what I don't know if it's ok for a standard Silvia PID mod: {link} {link} I would really appreciate any advices. cheers, Martin
by theCoffer
March 16th, 2009, 10:56 pm
Forum: Espresso Machines
Replies: 4
Views: 500

About puck flow resistance variation and the amount of coffee produced

Hello, I have been reading a lot of old threads about pressure and how important is not to exceed too much the 9 bar mark. Well, what I would like to know is the following: Parting from the following premises: - The puck flow resistance increases through the brew - If the pressure in the water circu...
by theCoffer
March 10th, 2009, 11:28 pm
Forum: Espresso Machines
Replies: 4
Views: 7104

Calibrating Rancilio Nancy

Hello everyone, this is my first post in this amazing forum. I have recently bought an old Rancilio Nancy (probably from the 90's). The machine seem to work fine, but nonetheless I have not been able to get 1 decent shot out of it. My grinder is a Rancilio Rocky that matches the colours of the Nancy...