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
LUFTSCHIFFMIT STARRER STÜTZSTRUKTUR
DIRIGEABLE À STRUCTURE DE SUPPORT RIGIDE
2022-02-09
Patent
Electronic Resource
English
IPC: | B64B LIGHTER-THAN-AIR AIRCRAFT , Luftfahrzeuge leichter als Luft |