Encyclopedia Astronautica
Lambda 4T-4


Solid rocket stage. 7.80 kN (1,754 lbf) thrust. Mass 100 kg (220 lb).

Status: Retired 1974.
Gross mass: 100 kg (220 lb).
Unfuelled mass: 15 kg (33 lb).
Height: 0.50 m (1.64 ft).
Diameter: 0.48 m (1.57 ft).
Thrust: 7.80 kN (1,754 lbf).
Burn time: 32 s.
Number: 9 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • 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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