Indian Space Research Organisation (ISRO) successfully carried out a static test of an improved version of the third stage of SSLV at the Solid Motor Static Test Facility of Satish Dhawan Space Centre, Sriharikota, Andhra Pradesh, on Tuesday.
Informing about the test conducted, ISRO said, "The upper stage or third stage solid motor delivers as high as 4 km/s velocity to the launch vehicle and employs a monolithic composite motor case and a free-standing nozzle divergent to limit the stage inert mass.”
Developed by ISRO, the Small Satellite Launch Vehicle (SSLV) is a three-stage all-solid launch vehicle.
"The stage also features an improved design for the igniter and nozzle system, making the system more efficient and robust. The nozzle control is implemented through a fault-tolerant electro-mechanical actuation system with low-power control electronics," ISRO explained.
It added that the high-strength carbon filament-wound motor case was realised at the Composites Entity of Vikram Sarabhai Space Centre, and the solid motor was cast at the Solid Motor production facilities at Satish Dhawan Space Centre (SDSC).
"All the measured parameters are observed close to predictions over the test duration of 108 seconds. With this successful static firing test, the improved version of the SS3 motor is qualified for induction in flight," the statement read.
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