Dec 24, 2010

History of Espresso 5

Shot variables
The main variables in a shot of espresso are the size and length.[Terminology is standardized, but precise sizes and proportions vary substantially.

Cafés generally have a standardized shot (size and length), such as "triple ristretto",only varying the number of shots in espresso-based drinks such as lattes, but not changing the extraction – changing between a double and a triple require changing the filter basket size, while changing between ristretto, normale, and lungo require changing the grind, and cannot easily be accommodated in a busy café, as fine tweaking of the grind is a central aspect to consistent quality espresso-making, which is disrupted by major changes such as ristretto to lungo.

Size
The size can be a single, double or triple, roughly equivalent to a 1, 2 and 3 U.S. fluid ounce (30, 60 or 90 mL) default ("normal") to being shot, and you use a ratio of ground coffee, about 7-8, 14-16, and 21-24 grams, are used in accordance with large filter baskets. The Italian Doppio term is often used for a double and a solo Triplo rarely used for singles and triples. The single shot is the traditional shot size, the maximum amount that can be easily pulled on a lever machine, while the double shot is the standard today.

Individual baskets are tapered or stepped in diameter, comparable to twice the depth and therefore comparable baskets resistance to water pressure. Most double rooms are slightly conical baskets (the "Faema" model), while others, like the La Marzocco, have straight sides. Triple-baskets are usually straight sides.

Each outlet is in a separate cup may be omitted, resulting in two solo size (but doppio prepared) images, and in a cup (hence - espresso is often associated with two discharge nozzles, usually close to each other, and a double Therefore, they are cage close to each other). Real solo recordings are rare, with a single shot in a cafe in the rule than the half of a shot Doppio.

The espresso drinks, milkshakes, especially larger ones, have a drink with three or four pictures of espresso is a "triple" or "Quad" respectively, but this does not mean that the shots are triple or even quadruple shots. On the contrary, it is typically used with a two-shot images in three ½ (shared between the two nozzles) is used, and two images are used in a quad.