Sunday, June 22, 2008

New Developments in DARPA Hypersonics Research

DARPA has now revealed one of its hypersonic research programs,the Vulcan engine.

The test vehicle, see below, is about the size of the Have Blue stealth prototype (smaller than a F-5)


As shown in the slide, this would use conventional fuels.


There would be a common inlet and exhaust nozzle with the flow path varying depending on speed and altitude. A turbojet would be used for takeoff and low speed, and as speeds increased, the inlet air would be diverted to a pulsed combustion ram/scram jet type system.

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