Vehicle envelope with lightweight ultrafilm for minimal leakage (VELUM)

Keyphrases

• Vehicle Envelope 100%
• Envelope Material 100%
• Helium Retention 50%
• Multirotor Drone 50%
• Gas Resistance 50%
• Powered Lift 50%
• Underground Mapping 50%
• Subterranean Environment 50%
• Gas Retention 50%
• Lightweight Composites 50%
• Facility Environment 50%
• Meter Scale 50%
• Indoor Operation 50%
• Barrier Coating 50%

Engineering

• Durables 100%
• Polyurethan 100%
• Tunnel 50%
• Drone 50%
• Mass System 50%
• Maneuverability 50%
• Low Density Poly-Ethylene 50%
• Payload Capacity 50%
• Barrier Coating 50%