Encyclopedia Astronautica
Hydra-Iris-0


Solid propellant rocket stage. Loaded mass 100 kg.

No Engines: 3.

Status: Retired 1968.
Gross mass: 100 kg (220 lb).
Height: 1.60 m (5.20 ft).
Diameter: 0.41 m (1.34 ft).
Number: 8 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Hydra-Iris American sounding rocket. Two stage underwater-launched vehicle consisting of 3 x Sparrow motors in the booster stage and an Iris upper stage. More...

Associated Manufacturers and Agencies
  • USN American agency overseeing development of rockets, spacecraft, and rocket engines. USN Joint Task Force 7, USA. 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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