The Science of Coffee The Speed of Heat: How to roast more coffee, faster!
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Mar 24, 2025 Discover the fascinating world of coffee roasting as technology takes center stage. Explore the revolutionary heat transfer methods allowing for lightning-fast roasting that rivals traditional techniques. Delve into the experience of testing an industrial tangential roaster and witness the colossal whale-sized machine breaking records. With a blend of innovation and flavor experimentation, the podcast highlights why not everyone is roasting at breakneck speeds despite the available technology.
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Probat's Legacy
- Probat has wooden boards honoring employees with 25+ years of service.
- Many employees have served for 50+ years, demonstrating loyalty.
The Pink Fire Hydrant
- James Hoffmann examines an early 1860s roaster resembling a pink fire hydrant.
- It roasted only 3 kilos in 30 minutes by manually turning a handle.
Heat Transfer Mechanisms
- There are three specific heat transfer methods in coffee roasting: conduction, radiation, and convection.
- These mechanisms are at play simultaneously, but their importance is debated.