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Open-Water KT - Wageningen B-Series

Dimensionless thrust coefficient KT at a given advance coefficient J for a B4-40 Wageningen B-series propeller at P/D = 1.0 - simple regression lookup for preliminary design.

PropellerKTOpen water
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Formula, assumptions, and limits

KTa0+a1J+a2(P/D)K_T \approx a_0 + a_1 J + a_2 (P/D)
SymbolMeaningUnit
JJAdvance coefficient
P/DP/DPitch-diameter ratio

Source: Oosterveld & van Oossanen - SNAME 1975

In short

Dimensionless thrust coefficient KT at a given advance coefficient J for a B4-40 Wageningen B-series propeller at P/D = 1.

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