[kach22i]

I think the time lines are rather pessimistic considering published engine testing is nearly a decade old, and the photographic evidence of flying prototypes is all over the Internet.

P&W Tests Dual-Mode Ramjet Engine at Mach 4 Flight Conditions

That original article is confusing, will it be F-22 sized or SR-71 sized?

Must be two different craft, one manned and one unmanned.

Old repost:
http://forums.pelicanparts.com/off-topic-discussions/787152-how-slow-can-sr-71-blackbird-fly.html

Originally Posted by kach22i

No doubt.

Ovnis, propulsion électromagnétique...




Found link above via this thread:
Aurora

More fun stuff here:
http://www.dreamlandresort.com/black_projects/aircraft.htm