Pontoon & Tritoon Tube Immersion, Lifting-Strake Planing Speed & Deck CG Calculator

Deterministic Horizontal circular-segment cross-section hydrostatic integration + lifting-strake hydrodynamic lift vs longitudinal center-of-gravity trim engine (.json, .pdf, .svg) built for Bennington, Manitou Pontoon, Harris Boats, Mercury FourStroke — zero-upload ephemeral Wasm RAM execution.

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