Steel; graphite jet vanes, some wooden construction elements in fuselage; aluminum tanks not present.
Dimensions:
Overall: 11 ft. 8 3/8 in. wide x 46 ft. 1 3/16 in. deep x 5 ft. 5 in. diameter x 44 ft. 5 3/16 in. long, 8427.9 lb. (356.6 x 1405.1 x 165.1 x 1354.3cm, 3822.9kg)