Encyclopedia Astronautica
Lambda 4SC


Japanese all-solid orbital launch vehicle. Five stage vehicle consisting of 2 x SB-310 + 1 x L735 + 1 x L735(1/3) + 1 x L500 + 1 x L480S

Failures: 1. First Fail Date: 1971-08-20. Last Fail Date: 1971-08-20.

Gross mass: 9,400 kg (20,700 lb).
Height: 16.50 m (54.10 ft).
Diameter: 0.74 m (2.42 ft).
Thrust: 970.00 kN (218,060 lbf).
Apogee: 2,000 km (1,200 mi).
First Launch: 1971.08.20.
Last Launch: 1976.08.30.
Number: 4 .

More... - Chronology...


Associated Countries
See also
  • Lambda All solid-propellant vehicle, Japan's first satellite launcher. The L-4S project simulated the procedures and demonstrated the capabilities required for orbital satellite launch essential to the follow-on Mu project. More...

Associated Manufacturers and Agencies
  • ISAS Japanese agency overseeing development of rockets, spacecraft, and rocket engines. Institute of Space and Astronautical Science, Japan. More...

Associated Launch Sites
  • Kagoshima Japanese launch center for solid fueled sounding rockets and satellite launchers. Limited to two months a year due to disturbance of local fisheries. More...

Associated Stages
  • Lambda 4T-4 Solid rocket stage. 7.80 kN (1,754 lbf) thrust. Mass 100 kg (220 lb). More...
  • Lambda 3-1 Solid rocket stage. 410.00 kN (92,172 lbf) thrust. Mass 5,000 kg (11,023 lb). More...
  • Mu-3C-0 Solid rocket stage. 95.00 kN (21,357 lbf) thrust. Mass 500 kg (1,102 lb). More...

Lambda 4SC Chronology


1971 August 20 - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4SC. LV Configuration: Lambda 4SC L-4SC-1. FAILURE: Failure. Failed Stage: U.
  • TVC test - . Nation: Japan. Agency: ISAS. Apogee: 1,500 km (900 mi).

1973 January 28 - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4SC. LV Configuration: Lambda 4SC L-4SC-2.
  • TVC test - . Nation: Japan. Agency: ISAS. Apogee: 1,500 km (900 mi).

1974 September 1 - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. LV Family: Lambda. Launch Vehicle: Lambda 4SC. LV Configuration: Lambda 4SC L-4SC-3.
  • TVC test - . Nation: Japan. Agency: ISAS. Apogee: 1,500 km (900 mi).

1976 August 30 - . Launch Site: Kagoshima. Launch Complex: Kagoshima L. Launch Vehicle: Lambda 4SC. LV Configuration: Lambda 4SC L-4SC-4.
  • Radar transponder - . Nation: Japan. Agency: ISAS. Apogee: 1,500 km (900 mi).

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