The subscale ground tests of the TBCC system were performed by integrating a small off-the-shelf turbine engine with a dual mode ramjet / scramjet integrating an axisymmetric inlet and a nozzle. Lockheed Martin Skunk Works is collaborating with Aerojet Rocketdyne on the turbine-based combined cycle (TBCC) propulsion system to enable the aircraft to achieve a cruise speed of Mach 6, twice the speed of the SR-71 aircraft. The aircraft will use a single inlet nozzle for both the turbine engine and ramjet for reducing the drag. It uses highly pressured mercury accelerated by nuclear energy to produce a plasma that creates a field of anti-gravity around the. The aircraft will receive thrust from the turbine engine until it reaches a speed of Mach 3, while the dual-mode ramjet will deliver power for the flight at hypersonic speeds. Posted by Flanker41 It doesn't exist officially. The SR-72 unmanned aircraft will be powered by two engines. Engine details of the Lockheed Martin hypersonic demonstrator The aircraft development is supported by the long-term hypersonic road map of the USAF. ApRevealed: US admits to existence of top secret Mach 6 RS-85 ‘Aurora’ spy-plane An artist’s impression of the aircraft. The SR-72 will be optionally equipped to fight in combat operations. ![]() The high-speed of the aircraft ensures penetration into protected airspace. The new aircraft is expected to strike targets anywhere across a continent in less than an hour when equipped with hypersonic missiles such as Lockheed Martin’s High Speed Strike Weapon (HSSW). "The new aircraft is expected to strike targets anywhere across a continent in less than an hour."
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