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Admiralty Constant - Delivered Power

Delivered-power estimate at a new speed using the Admiralty constant derived from trial data - the classical scale-up for preliminary design.

PowerAdmiraltyResistance
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Formula, assumptions, and limits

P=Δ2/3V3CP = \frac{\Delta^{2/3} \cdot V^3}{C}
SymbolMeaningUnit
Δ\DeltaDisplacementt
VVSpeed through waterkn
CCAdmiralty constant

Source: Rawson & Tupper Vol 2 - Resistance

In short

Delivered-power estimate at a new speed using the Admiralty constant derived from trial data - the classical scale-up for preliminary design.

Learn the theory Ship resistance and powering