Day: July 1, 2026

Compact fan coil blower, 194mm cross-flow, galvanized steel housing
By longwell / July 1, 2026 / Engineering Case Studies

Fifteen Watts, 44 dB(A): A Fan Coil Blower Sized Honestly

Small, quiet, cheap and reliable. Nothing about this project is dramat...

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10 common ec fan specification mistakes
By longwell / July 1, 2026 / Technical Articles

EC Fan Specifications: 10 Common Mistakes to Avoid

Selecting the wrong EC fan can cost your countdown and excess noise. E...

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Intake and exhaust fan pair, 300mm axial, for cleaning equipment
By longwell / July 1, 2026 / Engineering Case Studies

One Machine, Two Fans, Opposite Directions

Reversing an axial fan by swapping the wires does not work. Direction ...

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Fan guard grille fitted to an 820mm cross-flow fan for an air curtain
By longwell / July 1, 2026 / Engineering Case Studies

A Finger Guard That Does Not Cost You Airflow

Every guard costs airflow. The design question is how little you can p...

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