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1.0 — B4-70

Propeller Series
B4-70
Advance Ratio J
1.0
Kq (dimensionless)
0.01894
Kt (dimensionless)
0.0744
Blade Area Ratio (dimensionless)
0.7
Num Blades (dimensionless)
4
Open Water Efficiency (dimensionless)
0.6259
Pitch Diameter Ratio (dimensionless)
1
Standard
Oosterveld & Van Oossanen (1975) Int.Shipbuild.Prog. Vol.22 No.251; Barnitsas Et al. (1981) Report 292

Source: Oosterveld & van Oossanen (1975) Int.Shipbuild.Prog. Vol.22 No.251; Barnitsas et al. (1981) Report 292

B4-70 — advance ratio J 1.0 · KQ 0.01894 dimensionless · KT 0.0744 dimensionless · open water efficiency 0.6259 dimensionless · standard Oosterveld & van Oossanen (1975) Int.Shipbuild.Prog. Vol.22 No.251; Barnitsas… | Wageningen Propeller | Engineering Database