16" × 21" Propeller Specifications

Pitch ratio 1.31: theoretical speed at RPMs 1,000–4,000

Propeller Specs

Diameter16"
Pitch21"
Pitch Ratio1.31

Theoretical Speed by RPM

RPMSpeed (0% slip)Speed (15% slip)
1,00011.59.8
1,50017.314.7
2,00023.019.6
2,50028.824.5
3,00034.629.4
3,50040.334.3
4,00046.139.2