Vibration as a means of reducing channelling in espresso

Vibration as a means of reducing channelling in espresso

Conflict in the Red Sea: Why coffee roasters need to prepare for shipping delays

Like many other industries, conditions in the coffee supply chain can change quickly, and in turn, have a huge impact on all actors and stakeholders. Price volatility is one of the more pertinent – which is influenced by many factors. These include fluctuations in supply and demand, extreme or unexpected weather events, global economic downturn, […]


The First Women-Only Coffee Championships Held in Costa Rica

Feria del Café Frailes seeks to increase the gender diversity of coffee competitions. BY SUNGHEE TARKSPECIAL TO BARISTA MAGAZINE ONLINE Cover photo by Sunghee Tark The coffee industry has come a long way in the past 20 years, with innovations happening in many parts of the world and in different links of the supply chain. […]


Hawaiian Legislators Introduce Bills for Stricter Coffee Labeling

Legislators representing the Kona district of Hawaii have introduced a series of bills that would require more strict labeling requirements for single-origin coffees and blends containing Hawaiian-grown coffees. Some Kona…


Toronto’s Pilot Coffee Roasters Acquiring Bridgehead Coffee for $3.6 Million

Toronto, Ontario-based specialty coffee roaster and retailer Pilot Coffee Roasters is acquiring Ottawa-based Bridgehead Coffee in a deal worth approximately US$3.6 million.  Bridgehead, which has 21 coffee shop locations throughout…

Vibration as a means of reducing channelling in espresso

An Unfiltered History of Vietnamese Coffee

We explore the history of coffee in Vietnam and how the industry’s perception of Vietnamese coffee is evolving.  BY EMILY MENESES BARISTA MAGAZINE ONLINE Featured photo by frank mckenna via Unsplash What do you think of when you hear the term “Vietnamese coffee”? For Kim Dam, founder of Portland Cà Phê, it extends far beyond […]


The Slingshot Chalice Puts a New Spin on Espresso Dosing

Hong Kong and Australia-based coffee equipment maker Slingshot Technology recently launched the Chalice Distributor Cup, a multipurpose espresso preparation tool for baristas. Displayed in its final production form at the…


3 Elements Coffee: Supporting Veterans, One Cup at a Time  

The Australian roasting company helps to create opportunities for veteran communities.  BY VASILEIA FANARIOTISENIOR ONLINE CORRESPONDENT Photos courtesy of 3 Elements Coffee  Brisbane, Australia-based 3 Elements Coffee, founded by Navy veteran Terry McNally in 2016, has a mission to support the transition of ex-military personnel into the commercial workspace. To help achieve their goal and raise […]


How do you roast coffee for milk?

It’s impossible to deny just how popular milk-based coffee drinks (such as the flat white, latte, and cappuccino) are in coffee shops around the world. According to 2020 data from Project Café USA, the latte was the most ordered drink in the UK, and the third-most popular beverage in US coffee shops. In line with […]

Vibration as a means of reducing channelling in espresso

5 Cool Cafés Worth a Try in Chiang Mai

Chiang Mai, one of Thailand’s most fascinating cities, is home to a vibrant specialty-coffee scene, with many cafés and roasteriess often offering locally grown coffee. BY TANYA NANETTI SENIOR ONLINE CORRESPONDENT Featured photo by Tim Durgan via Unsplash With a population of 3 million, Chiang Mai is a little (by Asian standards) gem in northern […]


PRF El Salvador announces speakers and panellists

Following a call for applications in October 2022, Producer & Roaster Forum (PRF) has announced its first speakers and panellists for PRF El Salvador. The two-day forum will be held on 16 and 17 March 2023 at the Salamanca Exhibition Centre in San Salvador. The event is set to return to El Salvador after it […]


Sumatra Coffee Farmers See Gains Through Agroforestry and Organic Fertilizer

Farmers in Indonesia’s Lampung province are making their own organic fertilizer in order to lessen reliance on volatile external supply chains. They’ve also diversified the number of crops they grow,…


Get Ready for The Barista League’s 2024 Season

The Barista League has announced 12 competitions across four continents. BY J. MARIE CARLANBARISTA MAGAZINE ONLINE Photos courtesy of The Barista League When The Barista League announces new events, it’s worth paying attention! This year, the schedule will be organized by geographic location, bringing together coffee people in various communities. At The Barista League in […]

Vibration as a means of reducing channelling in espresso

Vibration as a means of reducing channelling in espresso

minimum dose size?

Jan 31, 2024 |

I use the Hario switch to brew my coffee and am trying to reduce my caffeine consumption. Hence I would like to brew smaller cups of coffee. I am currently using 10g of coffee with 160g of water. (1:16 Ratio) I am wondering if there is a minimum amount of coffee...

Vibration as a means of reducing channelling in espresso

If a group head vibrated in a similar way to how the Mythos 1 does when grinding, would this break apart the channelling structures that inevitably form in a puck? Vibration always tends to redistribute a volume, but the question is whether that would be the case when dealing with >5 bars of pressure in a saturated mass. It could call for a higher or lower frequency or for oscillation on the Z or X/Y axis?

Definitely an impractical thing to integrate into espresso!

I can also promise you I don't wanna hear my machine scream as if it was constipated while pulling a shot ( I'm lying to you)

submitted by /u/RotatingMoss
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Vibration as a means of reducing channelling in espresso

Perfect Little Beans

Chinmey Hill Coffee uses specialty-grade beans with zero primary defects (such as black beans or sour beans) and less than five secondary defects (such as broken beans). This is important because primary defects will greatly affect the taste of the coffee. Having zero defects allows the coffee to be the most optimal flavor.

Window for Optimal Flavor

Chimney Hill Coffee ships our coffee the same day it was roasted, so you will receive it before it enters the window of optimal flavor.  This means you’ll never miss the opportunity to enjoy the coffee’s peak flavor.

Coffee Ratings

Coffee undergoes many scoring processes by professionals who achieved their Q Grader certification. Coffee is first graded when it’s green. If there are defects the coffee is determined to be “not-specialty grade”. For those coffees that pass green grading, they are sample roasted and cupped. (Cupping is the official term for critically tasting and scoring coffees. The official cupping form is standard worldwide, and where the 100-point scoring system comes from.) A coffee’s dry fragrance, wet aroma, flavor, aftertaste, body, acidity, balance, and overall impression are taken into consideration while uniformity issues and defects, will lower the overall score.

Specialty Coffee

Specialty coffee, coined by Erna Knutsen in 1974, refers to a coffee that receives a quality grading score of 80 percent or higher. While “premium” or “gourmet” seem like they’re synonymous with “specialty,” they simply are marketing terms with no defined standards. Specialty coffees are grown in specific and ideal micro-climates, and have distinctive and unique flavor profiles, with little to no defects.

Third-Wave Coffee

We’re currently in the third wave of coffee. The first wave of American coffee put pre-ground, vacuum-sealed cans in kitchens across America. The second wave started with the late ‘60s introduction of Peet’s coffee (by Alfred Peet) through the proliferation of Starbucks. The third wave of coffee focuses on origin transparency, nuanced flavors, and artisan roasting. The term “third wave” is synonymous with specialty coffee.

Vibration as a means of reducing channelling in espresso

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