Tidal Kite Power: Crosswind Plane & Power Curve (2D)

This 2D companion draws the actual crosswind plane a tethered underwater tidal kite flies through — a flat plane perpendicular to the ambient tidal current — as a genuine parametric lemniscate curve, rather than a flattened camera view of a 3D scene. Because the kite's own flight speed adds far more relative flow across its onboard turbine than the ambient current alone, power output scales with the cube of that effective velocity. Alongside the flight-plane diagram, a live power-curve chart plots the full cube-law P(v) relationship with a marker at the current operating point, and a rolling time-strip chart shows effective flow speed and power responding together as you tune the tidal current, the kite's achievable speed ratio, its rotor size and its flight amplitude.