Rigid structural-frame dirigible comprising an internal framework divided in internal zones fixedly clearly separated and sealingly isolated therebetween through rigid partition means in fixed union with the internal frame itself, and suitable for being evacuated to a vacuum regime, respectively forming as many vacuum zones (3A; 3B; 3C).
Airship with rigid supporting structure
2021-11-18
Patent
Elektronische Ressource
Englisch
IPC: | B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft |