Espresso Tutorial Chapter 6 - coffeecrew.com - victoria, b.c. canada (#)
„What are the chances of this happening in the first attempt? Well, if you have played around with your grinder and your coffee is fresh or if you have had your local roaster grind it for you, you might just score on the first breakaway. Success is measured in a variety of ways with the espresso shot. Double or single shots take the same amount of time.“
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„To extract espresso properly it is essential to use a burr grinder and to grind per order. The two major types of burrs used are flat and conical. Conical burrs are desirable because they increase the surface area of each particle and the amount of flavor that can be extracted from the coffee. Since conical burrs have longer cutting edges, the burrs can rotate at lower speeds which reduces the heat created. Flat burrs should be replaced after 600 pounds of coffee have been ground and conical burrs should be replaced after 2000 pounds of coffee have been ground.“
http://www.coffeeresearch.org/espresso/ grindanddose.htm
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„After the proper grind is found, it places exactly 7 grams, the required amount for one cup of espresso, into the holder. This Briel also gives a lot of control over the final product, due in part to its Auto Espresso Flow system. This system lets the coffee strength be set according to taste--from a strong, Italian-style short cup to a larger, less-robust brew. The espresso is brewed at the required 190 degrees F, and the machine has 15 bars of pump pressure.“
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„Look at any espresso machine and you'll find a grinder either attached to it or close by. At first glance it may look like any other grinder but it's not - it's special. That's because espresso requires an extraordinary grind. Traditional filter brewing machines just use gravity to push the water through the coffee grounds.“
http://www.matthewalgie.com/find_out/ lab-extraord.html
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Espresso Tutorial Chapter 5 - coffeecrew.com - victoria, b.c. canada
„The short answer is: If you are new to home espresso, find a local coffee roaster who is capable of grinding your coffee to your exact specifications and buy a few days supply at a time. Coffee fact: ground coffee is only fresh for a few hours if left in the open air. If you select this option, buy a steel canister with a latching top. It is will be fairly airtight and coffee will keep for about three days.“
http://www.coffeecrew.com/articles/.../ espresso-tutorial-chapter-5-2.html
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