Day: April 13, 2026

longwell-lwae3g400st-5mew-08-p
By longwell / April 13, 2026 / Engineering Case Studies

Cooling a Data Center with a 400mm EC Axial Fan

Learn how we matched thermal loads and met strict 69 dB(A) noise limit...

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longwell-wi-6956337739-project
By longwell / April 13, 2026 / Engineering Case Studies

High-Volume HVAC Part Isolation and Torque Specifications

Learn how we engineered a custom rubber fan motor hub to handle 1000 N...

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longwell-wi-6955886227-project
By longwell / April 13, 2026 / Engineering Case Studies

Air Curtain 45×310 mm Metal Cross Flow Impeller

Learn how we engineered a 45x310 metal cross flow impeller by defining...

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longwell-lwad8025lx-29-project
By longwell / April 13, 2026 / Engineering Case Studies

Upgrading a 12V Hardware System for Higher Airflow (42 CFM)

See how we engineered a replacement 8025 DC cooling fan to deliver 42....

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longwell-wi-6955506439-project
By longwell / April 13, 2026 / Engineering Case Studies

Specifying a Drop-In 100x685mm Replacement Impeller

See how we built a replacement metal cross flow impeller for a 100x685...

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longwell-wi-6955633003-project
By longwell / April 13, 2026 / Engineering Case Studies

Cooling at High Altitude: Specifying a 450mm RS485 EC Axial Fan

See how we solved strict altitude and noise limits by specifying a 450...

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longwell-wi-6955538318-project
By longwell / April 13, 2026 / Engineering Case Studies

Wide-Span HVAC: 1100mm Metal Cross Flow Impeller

Learn how we engineered a custom metal cross flow impeller. It spans 1...

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longwell-lwcd-30150ln-06-proje
By longwell / April 13, 2026 / Engineering Case Studies

Cooling Low-Profile Enclosures: 30mm 2-Wire DC Cross Flow Fan

Discover how we modified a standard 30mm DC cross flow fan for a stric...

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Deep-Dive--An-HVACR-Engineer-s-Guide-to
By longwell / April 13, 2026 / Technical Articles

Deep Dive: An HVACR Engineer’s Guide to Evaluating True Cross Flow Fan Quality

During the design and procurement phases of modern HVACR (Heating, Ven...

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