Correcting thruster device (KDU)

The correcting gas-jet engine is the executive instrument of the subsatellite control system and is designed for generating tractive force impulses:
Fig. illustrates locations of KDU and controlling nozzles on a subsatellite with respect to its axes.

Main technical characteristics of KDU are presented in Table.

Jet bodyCompressed air
Tractive force of one nozzle for all conditions of its operation0.1 +/- 0.007N
Normal pressure of the balloon filling for the environment temperature 20 C22MPa
Range of pressure variations at the input0.25-0.37MPa
Pre-start gas pressure in the cavity in front of0.5MPa
Balloon volume1.85 liters

Correcting thruster device was made in "Yuzhnoye" Design Bureau, Dnepropetrovsk, Ukraine.

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