Expected 4 hours journey time to Australia, MACH 5 engines. The SABRE A2 has received funding though the LAPCAT (Long-Term Advanced Propulsion Concepts and Technologies) I and II projects (FP6 and FP7) of the European Union to investigate and develop the feasibility of hypersonic aircraft.
The Scimitar engine for the SABRE A2 is a derivative of the SABRE (Synergistic Air-Breathing Rocket Engine) engine technology
Air is pre-cooled at rapid rate before entering Jet engine.
The incorporation of lightweight heat exchangers in the main thermodynamic cycles of these engines has potential to improve efficiency.
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