Scramjet

Timeline

1. 9 May2026
   Defence

   DRDO's scramjet combustor runs over 1,200 seconds in ground test¹²³

   DRDL in Hyderabad achieved over 1,200 seconds of run time in an actively cooled full-scale scramjet combustor on 9 May, up from 1,000 seconds in January.

   • DRDO ran a full-scale scramjet combustor for over 1,200 seconds at the Scramjet Connect Pipe Test facility in Hyderabad on 9 May 2026 (Defence Ministry statement)
   • It beat the earlier January 2026 run of over 700 seconds; a sub-scale combustor had run over 1,000 seconds in April 2025
   • Designed by DRDL; uses indigenous liquid hydrocarbon endothermic fuel and active cooling
2. 9 Jan2026
   Defence

   DRDO tests full-scale actively cooled scramjet combustor for over 1,000 seconds⁴

   DRDO's Hyderabad laboratory DRDL ran the first ignition trial of a full-scale actively cooled scramjet combustor in January 2026, with a run time of over 700 seconds, a step towards hypersonic cruise missiles.

   • January 2026 ground test of a full-scale actively cooled scramjet combustor by DRDL, Hyderabad
   • Run time over 700 seconds (more than 12 minutes); earlier 1,000 s test in April 2025 was on a subscale combustor
   • A 1,200 second run followed on 9 May 2026
   • Supports hypersonic cruise missile development

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Sources

1. ETV Bharat
2. Morung Express
3. Janes
4. Janes