Prototype of steel tube fuselage (1)
Prototype of steel tube fuselage (2)
Prototype of steel tube fuselage (3)
Prototype of steel tube fuselage (4)
Prototype of steel tube fuselage (5)
Prototype of steel tube fuselage (6)
Prototype of steel tube fuselage (7)
Prototype of steel tube fuselage (8)
Prototype of steel tube fuselage (9)
Prototype of steel tube fuselage (10)
Prototype of steel tube fuselage (11)
Prototype of steel tube fuselage (12)
Prototype of steel tube fuselage (13)
Prototype of steel tube fuselage (14)
Prototype of steel tube fuselage (15)
Prototype of steel tube fuselage (16)