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MSLA 4.02 – Pouring from a Height — The Pin-Drop Technique

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Pouring from a Height — The Pin-Drop Technique

The dive easiest to pull off is the one where you enter the water feet first, with your body as straight as a pin and toes pointed. Less surface area of your body is exposed to the surface of the water, minimally disturbing it and creating the least splash.

The pin-drop technique.

Altura de llenado

To apply the pin-drop technique, start pouring from at least 5 cm above the surface of the liquid in the cup. That distance is measured between the surface of the liquid and the spout of the milk pitcher. At Barista Hustle, we tend to pour from around 10 cm above the surface when filling. If the spout is more than 15 cm above the surface you increase the likelihood that your stream of milk will become interrupted, running the risk of creating splashes and larger bubbles on the surface.

Velocidad de llenado

Debe verter lo suficientemente rápido para mantener el líquido en una sola corriente ininterrumpida. Si vierte demasiado despacio, el chorro de leche se romperá y goteará, lo que provocará más salpicaduras e imperfecciones o grandes burbujas en la superficie de la bebida. Vierta demasiado rápido, la superficie se decolorará debido a un flujo excesivamente amplio y turbulento.

For an ideal expression of the pin-drop technique, we aim for a slow 10–20 ml/sec flow rate. To calculate flow rate, practice pouring a liquid into a calibrated container for 10 seconds. Measure the volume of the poured liquid, and divide that number by 10. (Alternatively, you can use a scale to measure the mass of the poured liquid. Multiply that measurement by your aeration percentage to estimate the volume of the liquid.)

Snail Trails

Pouring at 20 ml/sec will cause the width of the stream to be twice as wide as that of a 10 ml/sec pour. This situation is undesirable, as we want to avoid leaving any mark on the canvas of the drink.

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