Propeller Performance Estimator
Convert a measured or estimated propeller operating point into nondimensional coefficients for comparing tests, RPMs, and diameters.
Advance ratio
0.461
n = 40.00 rev/s
Propulsive efficiency
70.0%
42.00 kW thrust power
Coefficient pair
CT 0.0470
CP 0.0309
Disk loading
423.2 N/m2
tip speed 238.8 m/s
Propeller disk loading
Flow speed, thrust, and shaft power reduce to a comparable propeller operating point.
J 0.461
Open Source and Easy to Use Elsewhere
This tool is open source and the underlying logic is fully transparent. You can inspect the code, understand the calculations, and contribute improvements. If you want to use the tool in your own website, course page, or learning platform, you can also embed it directly and start from a ready-made iframe setup for this exact tool.
Open source: review the implementation and see how the results are produced.
Embeddable: preview this tool, copy the iframe, and use it in your own site or LMS.