feat(telemetry): IAS in knots, altitude in feet, Record button#36
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…utton - IAS: piecewise-linear LUT converts D_IAS_DEG raw angle to knots (0–600 kt); nonlinear calibration derived from A-4E gauge face angular positions - Alt: replace D_ALT_NEEDLE (% FS) with ALT_FT computed from three drum addresses (D_ALT_10K/1K/100S); displays actual feet up to 50 000 ft - Connection: add Record card with live event counter and hint text; wires the existing toggleCapture/recording/recordEvents store state
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Summary
D_IAS_DEGraw angle to knots (0–600 kt). Pitot-static scale is nonlinear (angle ∝ v²); breakpoints derived from A-4E gauge face angular positions. Tunable — update breakpoints as calibration data arrives from live flights.D_ALT_NEEDLE(% FS) withALT_FTcomputed from three drum addresses (D_ALT_10K/D_ALT_1K/D_ALT_100S). Formula:floor(raw/65535×10) × place_value, verified against two DCS capture files (6 000–16 900 ft). Max scale 50 000 ft.toggleCapture/recording/recordEventsstore state that was never surfaced in the UI.Test plan
skyhawk-capture-1781484523957.json— Press Alt peaks ~16 900 ft; IAS ~322 kt at 16 900 ft, ~416 kt at 12 200 ftskyhawk-capture-1781485573501.json— altitude 5 000–9 600 ft, IAS varies ~250–390 kt🤖 Generated with Claude Code