🎈 Airship Envelope Lab: Lifting Gas, Ballonets and Superpressure

Look inside an airship envelope in X-ray: helium, hydrogen or hot air, ballonets that empty as the gas expands on the way up, relief-valve losses, solar superheat, and the fabric tension that superpressure must carry.

3D · Three.js / WebGL renderer · 60 FPS target · runs fully client-side, no install