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Sentinel: Solving the A8's 'Storage Sink' Problem
April 2026 — on building a survival loop for a car that spends its summers in a greenhouse, and why ‘propping it up’ is an engineering challenge
Gaggiuino: adding pressure profiling to a Gaggia Classic
March 2026 — on why a €400 espresso machine can pull shots a €4000 machine can’t
The Gaggia Classic is a semi-automatic espresso machine with a straightforward design: a pump, a boiler, a solenoid valve, and a group head. It’s been in production in roughly the same form since 1991. It’s not a cheap machine, but it’s not expensive either — around €400 new, often found secondhand for less. It is, by design, simple.