THE BLOGFIELD
FIELD
NOTES.
Field notes from the workshop — roasting profiles, combustion engineering, installation case studies. 14 years of work, written up from the bench.

FEATURED · Technical Note2025.12.18
The science of roast profiles: what happens after first crack
A data-driven look at how time and temperature between first crack and drop shape cup character. Findings from a 12-week study on the NBP roaster's real-time monitoring rig.
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Product Note2025.11.04
Solving the urban café smoke problem with catalytic oxidation
Smoke is the real barrier to running a roastery café in central Seoul. A look at how the two-stage combustion and regenerative heat recovery in the NBP afterburner handle it.
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Insight2025.10.22
What nut-butter menus actually do to café revenue
We pulled six months of POS data from ten cafés that installed the NUTS-STAR nut butter machine. What menu expansion did to ticket size, and what it did to repeat visits.
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ENGINEERING NOTES DELIVERED OCCASIONALLY.