A half decade ago when diesel engines gained some traction as aircraft powerplants, the skeptics got quite a little whisper campaign going by noting that diesel engines could swing only wooden props. Their torque pulses and resonances were just too harsh for the fatigue limits of metal props. The naysayers forgot to mention—or perhaps didn't know—that wood props cost half what metal ones do, last just as long and, on most engines, run smoother than metal and composite props do.
This is a companion discussion topic for the original entry at https://www.avweb.com/ownership/wooden-props