Encyclopedia Astronautica
Hydra-Iris-1


Solid rocket stage. 17.00 kN (3,822 lbf) thrust. Mass 500 kg (1,102 lb).

Status: Retired 1968.
Gross mass: 500 kg (1,100 lb).
Unfuelled mass: 112 kg (246 lb).
Height: 4.00 m (13.10 ft).
Diameter: 0.30 m (0.98 ft).
Thrust: 17.00 kN (3,821 lbf).
Burn time: 52 s.
Number: 8 .

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Associated Countries
Associated Engines
Associated Launch Vehicles
  • Iris American sounding rocket. Sounding rocket developed by Navy, then handed over to NASA. Flown only four times, but then used in unique Hydra-Iris test series. More...
  • 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
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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