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Prismatic Coefficient (Cp)

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Longitudinal fullness - Cp = Cb / Cm. A finer stern/bow has lower Cp; a parallel mid-body ship has higher Cp.

Formula

$$ C_P = \frac{C_B}{C_M} $$

Symbol legend

SymbolMeaningUnitSource
$C_B$Block coefficient-hydrostatic table
$C_M$Midship section coefficient-hydrostatic table
$C_P$Prismatic coefficient-result

Sources

  • SNAME - PNA Vol I Ch.2.