Multirotor Motor KV, Cell Count & Prop Pitch Hover-Efficiency & Thrust Sizer

Deterministic Blade-Element Momentum Theory (BEMT) thrust/torque scaling + brushless DC motor equivalent circuit (Kv, Rm, Io) operating-point intersection engine (.json, .csv) built for T-Motor, BrotherHobby, HQProp, Gemfan — zero-upload ephemeral Wasm RAM execution.

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