NEWS

ISRO successfully conducted a 25-second qualification test for its liquid propellant-based Vikas engine to be used under the Gaganyaan mission.

ABOUT

• Also called as UH25
• Liquid fuelled rocket engine
• Indigenously developed by ISRO, India
• Used in the PSLV and GSLV vehicles for space launching satellites Vikas engines are employed in the second stage of India’s Polar Satellite Launch Vehicle (PSLV) as well as the second and the four strap-on stages of the Geo-synchronous Satellite Launch Vehicle (GSLV).
• Uses UH25 (a mixture of unsymmetrical di-methyl hydrazine and hydrazine hydrate) as fuel and nitrogen tetroxide as oxidiser with maximum thrust of about 725 kN.