Felis+747+[cracked] Crack+work Page

: The Felis 747-200 Classic is available on the X-Plane.Org Store for $70.00.

: A massive panel with hundreds of working switches, gauges, and circuit breakers that must be monitored throughout the flight. How to Use the Felis 747 (Work & Operation)

| | Partner | Scope | Key Findings | |-------------|-------------|-----------|-------------------| | FELIS‑747 Wing‑Spar Demo | Boeing + MIT Materials Lab | Retrofit a 747‑400 wing spar with graded‑stiffness CFRP + lamellar interleaves (2 m test section) | Crack propagation speed reduced by 70 % under cyclic load; weight penalty < 1.2 % | | Felis‑Skin NDI Pilot | Airbus + CATL (Cat‑Inspired Tech Labs) | Install FBG “whisker” network on a test fuselage panel (5 × 5 m) | Early‑crack detection threshold lowered from 0.8 mm to 0.3 mm ; false‑positive rate < 2 % | | Self‑Healing Pad Test | NASA Langley + University of Stuttgart | Impact test on elastomeric core with micro‑capsules (10 kJ impact) | 97 % of crack area self‑sealed within 5 min ; subsequent fatigue life increased by 2.5× |