Uno hoo,
Well it wasn't much of a secret, here from 1947.
http://blog.modernmechanix.com/2008/05/30/inside-the-flying-wing/
It is concievable, but speculation is not the same thing as evidence.
They had flying wings in sufficient numbers, that is a fact, but there is no evidence to support a flight of 9 on one test at that time or before.
http://upload.wikimedia.org/wikipedia/commons/d/d6/YB49-9_300.jpg
Ironically, count em, there is nine on the strip.
First of all, where are you getting this information ?
Secondly, it is irrelevant as the original idea was that Arnold saw them, which makes the radar part fairly unimportant to the sighting.
Thirdly, when they recently rebuilt the Horten wing to test it's radar signature, they found it was only 20% stealthier than other fighters at the time.
I didn't say they could not have, as I indicated it was still possible. But there is no evidence to support such a flight.
So, I ask why would they offer so much detail about test flights and construction, modifications of such craft and then leave out significant details of such a test flight ?
If you already had it all figured out, then why were you trolling to try to start a fight?
Arnold said he saw something.
A. He lied.
B. He believed he saw something.
If Arnold believed he saw something, then what did he see?
A. Flying Saucers from Farout Centauri manned(!) by LGMs and BEMs.
B. Something rationally originating on this planet.
If Arnold saw something rationally originating on this planet, what was it?
A. Aircraft secretively flown and not publicly disclosed to this day.
B. I don't know. Your guess is as good as mine.
If Arnold saw aircraft secretly flown, what could they have been?
A. UH has guessed that they were F7 Cutlasses.
B. Thread Starter has guessed thart they were Northrop Flying Wings.
UH does not really give a shit about which guess is right.