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Day: May 20, 2026

Cross-flow fan built for a non-standard DC voltage rail of 26.5V

By longwell / May 20, 2026 / Engineering Case Studies

When Your DC Rail Is Not 24V: A 26.5V Cross-Flow Fan

Your supply is 26.5V and every fan on the market is rated 24V. Here is...

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Fixed-speed DC fan, 24V backward curved, for OEM ventilation

By longwell / May 20, 2026 / Engineering Case Studies

A Fixed-Speed DC Fan Made by Removing Features, Not Adding Them

The customer asked us to take something out. Firmware locked, two wire...

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High static pressure blower, 175mm backward curved, for an air purifier

By longwell / May 20, 2026 / Engineering Case Studies

515 Pa From a 175mm Fan: Air Purifier Blower Case Study

Dense filters do not need more air. They need more pressure, and that ...

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