R-27

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Model: R-27.
R-27
Intermediate range ballistic missile. IOC: 1968. Other Family: Retired. Country: Russia. Status: Retired 1993. Other Designations: RSM-25. Department of Defence Designation: SS-N-6 Mod 1. ASCC Reporting Name: Serb. Article Number: 4K10. Manufacturer's Designation: R-27. Launch System: D-5. Complex: 4K10.

First flight 1967. Correct NATO code may be Serb; Sawfly was competitor. Development completed 1968.

Manufacturer: Makayev. Launches: 19. Success Rate: 100.00%. First Launch Date: 1965-01-01. Last Launch Date: 1993-12-01. Launch data is: incomplete. Total Mass: 14,394 kg (31,733 lb). Core Diameter: 1.50 m (4.90 ft). Total Length: 9.00 m (29.50 ft). Span: 1.50 m (4.90 ft). Standard warhead mass: 1,000 kg (2,200 lb). Maximum range: 2,000 km (1,200 mi). Number Standard Warheads: 1. Standard warhead yield: 1,000 KT. Standard warhead CEP: 1.61 km (1.00 mi). Boost Propulsion: Storable liquid rocket. Cruise Propulsion: Storable liquid rocket. Guidance: Inertial.

Model: R-27K. IOC: 1973. Department of Defence Designation: SS-N-6 Mod 2. ASCC Reporting Name: Serb. Article Number: 4K18. Manufacturer's Designation: R-27K. Complex: 4K18.

First flight October 1972.

Total Mass: 14,394 kg (31,733 lb). Core Diameter: 1.50 m (4.90 ft). Total Length: 9.00 m (29.50 ft). Span: 1.50 m (4.90 ft). Standard warhead mass: 650 kg (1,430 lb). Maximum range: 3,600 km (2,200 mi). Number Standard Warheads: 1. Standard warhead yield: 1,000 KT. Standard warhead CEP: 1.85 km (1.14 mi). Boost Propulsion: Storable liquid rocket. Cruise Propulsion: Storable liquid rocket. Guidance: Inertial.

Model: R-27U. IOC: 1973. Department of Defence Designation: SS-N-6 Mod 3. ASCC Reporting Name: Serb. Manufacturer's Designation: R-27U.

Development completed 1973.

Total Mass: 14,394 kg (31,733 lb). Core Diameter: 1.50 m (4.90 ft). Total Length: 9.00 m (29.50 ft). Span: 1.50 m (4.90 ft). Standard warhead mass: 840 kg (1,850 lb). Maximum range: 2,980 km (1,850 mi). Number Standard Warheads: 2. Standard warhead yield: 500 KT. Standard warhead CEP: 1.85 km (1.14 mi). Boost Propulsion: Storable liquid rocket. Cruise Propulsion: Storable liquid rocket. Guidance: Inertial.

Model: Zyb. IOC: 1991.

Zero-G suborbital launch vehicle based on surplus R-27 SLBM. Suborbital; 17-24 min zero G. Payload volume 1.5 cu. m. Payload 650 kg to 1800 km or 1000 kg to 1000 km.

Manufacturer: Makeyev. Launches: 19. First Launch Date: 1965-01-01. Last Launch Date: 1993-12-01. Payload: 650 kg (1,430 lb). to a: 1800 km altitude suborbital trajectory. Apogee: 500 km (310 mi). Liftoff Thrust: 0 N ( lbf). Total Mass: 14,200 kg (31,300 lb). Core Diameter: 1.50 m (4.90 ft). Total Length: 9.70 m (31.80 ft). Maximum range: 3,000 km (1,800 mi).

Stage1: 1 x Zyb Mod 2-1. Gross Mass: 10,000 kg (22,000 lb). Motor: 1 x RD R-27. Length: 8.00 m (26.20 ft). Diameter: 1.50 m (4.90 ft). Propellants: N2O4/UDMH.

R-27 Chronology

1965 - Nenoksa -. Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1966 June 1 - Nenoksa -. Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1967 April 1 - Nenoksa -. Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1972 October 1 - Sea-launched -. Zyb-Mod 2 Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1973 - Sea-launched -. Zyb-Mod 3 Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1976 July 1 - Sea-launched -. Test mission Agency: RVSN. Apogee: 500 km (310 mi).

1981 - Okhotsk -. Operational test Agency: RVSN. Apogee: 500 km (310 mi).

1983 - Okhotsk -. Operational test Agency: RVSN. Apogee: 500 km (310 mi).

1988 - Okhotsk -. Final OT operational test launch Agency: RVSN. Apogee: 500 km (310 mi).

1991 December 1 - Sea-launched -. Sprint Technology mission Agency: Makaev. Apogee: 500 km (310 mi).

1992 December 9 - 00:00 GMT - Pacific Ocean -. Efir Technology mission Agency: RVSN. Apogee: 500 km (310 mi). Payload was the 650-kilogram Efir reentry vehicle with the 80-kilogram Meduza biomedical zero-G experiment. The capsule was recovered, but it was found that the experiment failed to function.

1993 December 1 - Pacific Ocean -. Efir Agency: RVSN. Apogee: 500 km (310 mi). Payload was the 650-kilogram Efir reentry vehicle with the 80-kilogram Meduza biomedical zero-G experiment. The capsule was recovered, the experiment was successful.

Bibliography:

McDowell, Jonathan, Jonathan's Space Home Page (launch records), Harvard University, 1997-present. Web Address when accessed: http://www.planet4589.org/jsr.html.

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