- 1 April 2006
- Reaction score
Captures from Discovery Channel's The Real Flying Saucers documentary
hesham said:Dear flateric,
in your first picture,what are the two aircraft models
infront and behind the man ?.
LowObservable said:Definitely a Macs idea; note scramjets as well.
Orionblamblam said:A McDonnell-Douglas Mach 12 research aircraft proposal, manned with five RL-10 engines. It's something I've been trying to dig up more on for a while.
flateric said:Another one from the same GRC Image Archive
NASA-Langley hypersonic research airplane design, IDd by Scott here
MDD dedicated technology demonstrator for investigating cruise flight from Mach 3 to 6 and later to Mach 9. Two turbojets are supplemented by one ramjet in the center. Turbojet air from the inlets would be diverted into the ramjet engine in the Mach 1.
AWST, Sept. 17, 1973, pg. 87 and 89