Day: September 11, 2026

Fan undergoing salt spray and vibration life testing in a laboratory
By longwell / September 11, 2026 / Fan Engineering Guides

Salt Spray, Vibration & Life Testing of Fans

Reliability claims mean nothing without a test behind them. This guide...

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OEM fan development prototype samples on an engineering bench
By longwell / September 11, 2026 / Fan Engineering Guides

Custom OEM Fan Development: From Spec to Sample

A custom fan project moves through five stages, and most delays happen...

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Shipping industrial fans: crated units strapped for a sea container
By longwell / September 11, 2026 / Fan Engineering Guides

Packaging & Global Shipping of Industrial Fans

Most fan damage happens in transit rather than in service, and it ofte...

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Fan engineers reviewing an impeller design and test data
By longwell / September 11, 2026 / Fan Engineering Guides

Meet the Engineers Behind Our Fans

Fan design splits across four disciplines that rarely appear in a cata...

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Motor winding line producing stators for EC fan assembly
By longwell / September 11, 2026 / Fan Engineering Guides

Motor Winding & EC Controller Assembly

The motor half of an EC fan involves as many steps as the impeller. Th...

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Fan certifications shown on a product label including CE and ETL marks
By longwell / September 11, 2026 / Fan Engineering Guides

Certifications Explained: ISO, ETL, CE for Fans

Marks on a datasheet mean very different things. Some certify a produc...

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Furnace blower being inspected for loud rumbling noise
By longwell / September 11, 2026 / Fan Engineering Guides

Why Is My Furnace Blower So Loud?

A loud blower usually has one of eight causes, and the sound itself te...

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AC fan in an outdoor condenser unit that keeps stopping
By longwell / September 11, 2026 / Fan Engineering Guides

Why Does My AC Fan Keep Stopping?

A fan that runs then stops is usually protecting itself. Thermal overl...

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Measuring fan vibration at a bearing housing with an analyser
By longwell / September 11, 2026 / Fan Engineering Guides

Fan Vibration: 6 Common Causes

Vibration has a frequency signature, and that signature names the faul...

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Technician checking a blower that runs but produces no airflow
By longwell / September 11, 2026 / Fan Engineering Guides

Blower Runs But No Airflow — What’s Wrong?

A motor that spins while nothing comes out of the vents has a short li...

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