Espresso Tutorial Chapter 4 - coffeecrew.com - victoria, b.c. canada (#)

  „The pump, in effect, pushes the water through the mechanism and, of course, provides the necessary pressure to brew the espresso coffee. As we move up the food chain of coffee machines, the types of pumps start to vary a little. In many higher end machines the common pump is a volumetric one. I wonít go into too many extra details on the properties of the volumetric pump.“

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Espresso Tutorial Chapter 3 - coffeecrew.com - victoria, b.c. canada

  „  Chapter Three ñ letís illustrate the bits and pieces that make up a machine. In the last couple of chapters we have tried to make it clear that water temperature and brewing time are two critical areas where espresso coffee is concerned. Water has to be 195 degrees, give or take a few degrees. When it comes to keeping the water temperature stable it often helps to look at the physics: Whichever components are not heating the water, or insulating the water from the outside world are taking heat from the water.“

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  „The team at the coffeecrew have been talking about, writing about, eating, drinking and breathing the best in coffee and espresso for over ten years. We have reached over 3 million people and answered about 25,000 e-mail in that period of time. Our writers and editors have visited cafes from Honolulu to New York to London, Paris and the birthplace of coffee in the Middle East.“

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Basics of espresso - coffeecrew.com - victoria, b.c. canada

  „Espresso has a naturally bitter taste, but if your espresso is unusually bitter, you may have ground the coffee too fine for your machine. Or, you may have packed the grounds in the filter basket unevenly. Examine the grounds after you remove them from the machine to see if there are any dry spots that could indicate that the water went through only a portion of the grounds, overextracting them.“

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