The Hartzell Blog

Stay tuned for informative blogs covering Hartzell’s products, services, industry insights, and customer stories, showcasing our expertise and commitment to you.

May 2026

CFM in Industrial Fans Why It's the First Question We Ask

By David Long

CFM (cubic feet per minute) tells you how much air a fan moves every 60 seconds and is an important step for engineers designing air movement systems. This guide explains what CFM means, why it matters, how it’s measured, and how to avoid the most common sizing mistakes.

April 2026

Axial vs. Centrifugal Fans How to Choose the Right One for Your Facility

By David Long

Axial fans and centrifugal fans both move air, but they operate on different mechanical principles suited for different pressure environments. This guide explains how each type works, where each one fits, and how to match the right design to your system’s static pressure and airflow requirements.

February 2026

Industrial Airflow Problems that Look Like Fan Failures Why System Changes—Not the Fan—Are Usually to Blame

By David Long

Industrial airflow problems are frequently misdiagnosed as fan failures when the real culprits lie elsewhere in the system. Increased system resistance, process changes that exceed original design capacity, poorly coordinated controls, contamination buildup, and installation modifications commonly cause airflow loss. Replacing the fan without addressing these underlying issues typically leads to repeated failures. Effective troubleshooting requires diagnosing the entire system rather than simply swapping components.

February 2026

Why Hartzell Engineering Stands Apart A Prop Strike Story That Proves What 'Built to Last' Really Means

By David Long

Sometimes the best engineering lessons come from the worst days. A Cirrus SR22T suffered a severe prop strike, destroying the propeller but leaving the engine intact—thanks to the Hartzell Propeller composite design. Whether it’s aviation or industrial applications, Hartzell Air Movement products share the same philosophy: engineer for the moment that matters most, delivering durability, reliability, and protection when it counts.