India’s Breakthrough Engine Paves Way for Hypersonic Mach 10 Flights

Swift Summary

• Venus Aerospace has successfully flown Rotating Detonation Engines (RDE), which use continuous detonation waves for propulsion.
• RDE technology provides 15% efficiency gains in fuel consumption adn specific impulse over customary engines, with potential for 25-30% or higher when combined with air-breathing systems.
• These advancements could enable practical hypersonic planes to achieve speeds of Mach 10+, bridging the gap between Mach 3 and Mach 5 without requiring three separate engines like turbine + ramjet + scramjet setups.
• Venus Aerospace is developing two core technologies: the Rotating Detonation Rocket Engine (RDRE) and the Variable Detonation Ramjet (VDR2), integrating detonation-based propulsion into a single hybrid system capable of managing takeoff to speeds greater than Mach 6 efficiently.
• Detonation-based systems reduce weight by eliminating heavy turbines and multiple engines while also simplifying manufacturing through fewer moving parts and utilizing inherent airflow compression features.
• The May 2025 real-world flight test validated detonation technology, paving the way for reusable drones and hypersonic aircraft like Stargazer by as early as 2028+.

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