Wageningen Propeller: B6-80
Wageningen B-series ship propeller open-water characteristics — thrust coefficient KT, torque coefficient KQ, and open-water efficiency eta_0 as functions of advance ratio J for six series designations (B3-50, B4-55, B4-70, B5-60, B5-75, B6-80) at pitch-diameter ratio P/D=1.0. Computed from the Oosterveld & van Oossanen (1975) polynomial regression equations. Used for ship powering calculations, propeller selection, cavitation assessment, and hull-propeller interaction studies.
| propeller series | advance ratio J | KQ (dimensionless) | KT (dimensionless) | blade area ratio (dimensionless) | notes | num blades (dimensionless) | open water efficiency (dimensionless) | pitch diameter ratio (dimensionless) |
|---|---|---|---|---|---|---|---|---|
| B6-80 | 0.0 | 0.0769 | 0.5807 | 0.8 | Zero advance (bollard pull condition) P/D=1.0 | 6 | 0 | 1 |
| B6-80 | 0.1 | 0.07298 | 0.5487 | 0.8 | J=0.1 | 6 | 0.1198 | 1 |
| B6-80 | 0.2 | 0.06876 | 0.5131 | 0.8 | J=0.2 | 6 | 0.2382 | 1 |
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