Day: June 1, 2026

Custom AC motor, 1050 RPM three-speed, for a fan coil unit
By longwell / June 1, 2026 / Engineering Case Studies

Custom 1050 RPM AC Motor for HVAC Fan Coil Units: Case Study

The catalog motor turned too slowly for the customer impeller. Rewindi...

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Transformer fan sized as an oversized fan replacement
By longwell / June 1, 2026 / Engineering Case Studies

We Told Them Their Old Fan Was Oversized

The customer asked us to match a 120W fan. We suggested an oversized f...

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Stainless centrifugal impeller in 316L for a marine HVAC blower
By longwell / June 1, 2026 / Engineering Case Studies

316L Stainless Centrifugal Impeller for Marine HVAC: 230mm Case Study

The customer sent photographs of a corroded impeller and caliper measu...

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600V axial fan in a basket grille frame for containerized power electronics
By longwell / June 1, 2026 / Engineering Case Studies

600V Axial Fan for Containerized Power Electronics: Case Study

A container full of power electronics has no room for a transformer th...

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Cross-flow impeller chosen for blade shape and noise at 51 dB(A)
By longwell / June 1, 2026 / Engineering Case Studies

With a Tight Noise Budget, Blade Shape Beats Motor Choice

A second-source enquiry with a fixed envelope and a noise cap. Where t...

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