BLR Aerospace released a sweet video this week detailing the benefits and advantages of their 5 blade Whisper Prop propeller:
BLR partnered with MT-Propeller to create the prop for King Air series and 1900c/d models.
According to BLR, one of the main highlights of the prop is an a 30% to 50% reduction in noise and vibration.
More information concerning the prop can be found at BLRaerospace.com.