Encyclopedia Astronautica
Lambda 3-1


Solid rocket stage. 410.00 kN (92,172 lbf) thrust. Mass 5,000 kg (11,023 lb).

Status: Retired 1977.
Gross mass: 5,000 kg (11,000 lb).
Unfuelled mass: 2,945 kg (6,492 lb).
Height: 8.40 m (27.50 ft).
Diameter: 0.74 m (2.42 ft).
Thrust: 410.00 kN (92,170 lbf).
Burn time: 29 s.
Number: 23 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Lambda 3 Japanese test vehicle. Four stage vehicle consisting of 2 x SB-310 + 1 x L735 + 1 x K420 + 1 x Kappa 8 More...
  • Lambda 3H Japanese test vehicle. Four stage vehicle consisting of 2 x SB-310 + 1 x L735 + 1 x L735(1/3) + 1 x L500 More...
  • Lambda 4S 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 More...
  • Lambda 4T 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 More...
  • 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 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 Propellants
  • Solid Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. Solid propellants have the fuel and oxidiser embedded in a rubbery matrix. They were developed to a high degree of perfection in the United States in the 1950's and 1960's. In Russia, development was slower, due to a lack of technical leadership in the area and rail handling problems. More...

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