Selparis

First Flight: February 21, 1969
Last Flight: November 23, 1972
Stages: 4/5
Total Mass: 2,735 tons
Payload Mass: 90,000 kg to LEO; 23,500 kg to TLI
Diameter: 17.0 m
Length: 105 m

First Stage

Type: Block A Core
Arrangement: 30 x NK-15
Thrust (kN): 50,300
Propellant: RP-1/LOX
ISP: 330 s
ISP (sea level):
Burn Time: 125 s
Gross Mass: ?

Second Stage

Type: Block B Core
Arrangement: 8 x NK-15V
Thrust (kN): 14,040
Propellant: RP-1/LOX
ISP: 346 s
ISP (sea level):
Burn Time: 120 s
Gross Mass: ?

Third Stage

Type: Block V Core
Arrangement: 4 x NK-21
Thrust (kN): 1,610
Propellant: RP-1/LOX
ISP: 353 s
ISP (sea level):
Burn Time: 370 s
Gross Mass: ?

Fourth Stage

Type: Block G Earth Departure
Arrangement: 1 x NK-19
Thrust (kN): 446
Propellant: RP-1/LOX
ISP: 353 s
ISP (sea level):
Burn Time: 443 s
Gross Mass: ?