It's also not the final stage engines. They still have a lot of development to do on that.
http://www.nytimes.com/reuters/2010/...a-fighter.html"There is very much to be done, in part as regards the engine," Putin said. "But the fact that the plane is already in the air is a big step forward."
I don't think this is going to be a cheap aircraft. It probably won't be as good as the F-22 all together, but it's still going to be a nasty peice of work to fly against.









