P4.4 — SELECTED CONDITIONAL DIGITAL BUILD

Physical measurements: zero. Whole vehicle: not built or qualified.
The selected driving model excludes the heavier nitrogen research option.
The CF-1.1 low-pressure copper-channel experiment remains a separate research
programme, with a fixed paired protocol and blank measurement record.

Authoritative numeric record: design/selected-candidate.json and output/audit.json.
Primary mechanical step:0.5 ms; verification:0.25 ms. Earlier1 ms stopping
comparison exceeded the unchanged0.1 m numerical gate; the refined comparison
reduces that difference to approximately1.6 mm. No acceptance threshold widened.

The driving result compares conditional calculations with published original
Chiron figures. It uses additional precharged electricity and a fitted engine
curve. It is not a matched road test or an independently validated Chiron twin.
The source-derived continuous-current motor envelope, installed mass and gas
volume are counted. Physical maps and complete structures remain unqualified.

Declared cabin/airway clearances,96 sampled moving-wheel checks and4 hot-route
checks pass for the supplied layout. This does not complete vendor powertrain
fit, detailed support joints, full suspension kinematics, occupant/crash design
or external aerodynamic qualification.

The original twelve-work-package CryoPulse programme remains unfinished.
Further theoretical qualification and physical testing are required.
