Day: May 15, 2026

Jet fan unit for a swimming pool hall with a 25 meter air throw
By longwell / May 15, 2026 / Engineering Case Studies

Throwing Air 25 Meters Across a Swimming Pool Hall

Air throw is what stops a pool hall stratifying. Chlorine is what eats...

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EC fan speed controller with manual knob and 0-10V output
By longwell / May 15, 2026 / Engineering Case Studies

Why a Speed Controller Powered From Mains Beat One Powered by the Fan

Two controllers, same output signal. The difference is where they get ...

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dc cross flow for 3d printing
By longwell / May 15, 2026 / Engineering Case Studies

LWCD-30190MN-07 24V DC Cross-Flow Fan for 3D Printer

An OEM developing a 3D printer required a 24V DC cross-flow fan for hi...

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LWA-Ø385x115-5
By longwell / May 15, 2026 / Engineering Case Studies

LWA-385×115-5 Axial Fan Impeller for Commercial HVAC OEM

An HVAC OEM required a custom 385mm axial fan blade for a new condense...

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