Twin-Outboard Tie-Bar Toe-In & SeaStar Hydraulic Steering Cylinder Turns Calculator

Deterministic Hydraulic swept-volume ratio V_cyl / V_helm_disp lock-to-lock kinematics + stern V-wake convergence toe-in/toe-out vector balance engine (.json, .pdf, .csv) built for Dometic SeaStar, Mercury Verado, Yamaha Helm Master, Uflex — zero-upload ephemeral Wasm RAM execution.

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