Just bought my own copy of Col Graham's"Flying the SR-71 Blackbird" only a week ago and have just borrowed from library Paul Crickmore's "Lockheed Blackbird".
3. Question. Can a Ramjet develop thrust (drag "plus") without itself burning fuel?
"Meredith effect"?
How about SR71 nacelle secondary flow just because it picks up a little bit of heat from the red hot ab duct.