Solid State Relays
by Arno Holschuh I distinctly remember the first time I saw a solidstate relay. It was the early 2000s, and my employer had just had their machine converted to digital temperature control. At the time, this was extremely cutting edge, sort of in the same ballpark as clones and flying cars. We gazed into the […]
The Gospels of Sam Kanenwisher
By Arno Holschuh Sam Kanenwisher didn’t grow up thinking he’d repair home espresso machines for a living. “I went to the Berkeley Graduate Theological Union and got a Masters in Divinity,” he said. “But I didn’t want to be a Lutheran Pastor, and that’s where that track ends.” He had the basic ingredients of a […]
Pressure and Flow
By Arno Holschuh of Bellwether Coffee Any time you are called out to work on an espresso machine because “it’s not making coffee,” you are likely to enter into the world of fluid dynamics. Of course, there’s no need to get a degree in engineering to degunk a clogged group or replace a pump, but […]
Electrical Connectors
By Arno Holschuh In the world of negative workplace emotional experiences, few compare to buttoning up a job and ruining it by breaking an electrical connector. It takes a second for your brain to understand that a tiny little plastic connector has crumbled between your fingertips, the machine is not running without it, and the […]
Old Men New Techs Episode 2: Pressure
caffeinemotormachines.com · Old Men New Techs – Episode 2: Pressure
Old Men New Techs Episode 1: Temperature
caffeinemotormachines.com · Old Men New Techs – Episode 1: Temperature
Michael Teahan
Michael likes to say he has been around in specialty coffee since there were only six Starbucks. Michael is an experienced business startup professional. He has extensive knowledge in marketing, business development and strategies particular to the espresso and specialty coffee industry. He is our resident genius. For consulting or questions you can reach Michael […]
Mark Robey
Mark Robey is the Founder and Owner of Espresso Tech Service Company He found a passion tearing apart radio equipment where his Father worked as the Program Director of the local Affiliate News Broadcast Station. This led him to pursue and obtain a degree in Electrical Engineering and land an unfulfilling corporate job in Protective […]
Chase Lemos
Hi, I’m Chase and I like coffee. While I did grow up in a coffee-centric family, it wasn’t until I quit financial advising to join the coffee industry in 2014 that I really began to learn about coffee traits, and eventually how different drip preparations and tools lead you to achieve an outstanding cup of […]
Arno Holschuh
Arno Holschuh is the Chief Coffee Officer at Bellwether Coffee. During his career he has roasted, bought green, fixed machines, managed roasteries, and most recently helped design a next-generation electric roaster. His heart is always with the techs, and the work that they do to enable excellent coffee and excellent careers to unfold across the […]