The V designation indicates the Viva model of envelope which consists of eight bulbous gores (segments).
Viva
1972
Persons: 3
Diameter: 50 ft
Height: 75 ft
Volume: 56,000 cu.ft
Weight: 349 lb
Payload: 1120 lb
Burner: 9.5 Million BTU/hr
Fuel capacity: 20 USG
Cost: (1972): US$ 5500
FAI AX-6
V-65
Envelope cap: 65,000 cu.ft
V-77
Envelope cap: 77,000 cu.ft
V-90
All Aero 