Piccard Balloons Dual Ninety
 
Dual Ninety
1972
Persons: 4
Diameter: 60 ft
Height: 65 ft
Volume: 90,000 cu.ft
Weight: 500 lb
Payload: 1750 lb
Burner: 19 Million BTU/hr
Fuel capacity: 40 USG
Cost: (1972): US$ 9816
FAI AX-8