Kosmos-3M (1967-2010)
First Flight: May 15, 1967
Last Flight: ?
Stages: 2
Total Mass: 109 tons
Payload Mass: 1,500 kg to LEO; 775 kg to SSO
Diameter: 2.4 m
Length: 32.4 m
First Stage
Type: R-14U Core
Arrangement: 1 x RD-216
Thrust (kN): 1,486
Propellant: IRFNA/UDMH
ISP: 291 s
ISP (sea level):
Burn Time: 170 s
Gross Mass: ?
Second Stage
Type: Core
Arrangement: 1 x RD-219
Thrust (kN): 883
Propellant: IRFNA/UDMH
ISP: 293 s
ISP (sea level):
Burn Time: 1620 s
Gross Mass: ?