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 .

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...