Once dry, the propeller contours are penciled on from ... and then the excess wood is removed with pneumatic planes designed and developed by [NACA] to constantly blow shavings all over the ...

The engineers became pretty inventive, even finding ways to fire bullets through the path of the wooden propeller blades while somehow not tearing them to splinters. At the start of the war ...

A Laramie woman and her late husband got a gift from a dentist friend about 35 years ago. It was a long, wooden airplane propeller, but for years ...

With a history dating back to the Wright Brothers, Hartzell Propellers has learned to adapt with changes in aviation. From wood propellers to leading the industry, here is how Hartzell propellers have ...