I hope you didn't mind me taking the freedom to insert a part of your artwork into the official USAF rendering for visual purposes in this thread. I tried to use the closest match with regards to perspective. Obviously I didn't do the best job, I did that on Hypic on my phone. But I think your model got the essence of the rendering quite right.
Hello!
Thanks for the time and effort you put into it.
I think they fit quite well!!!
Likewise, my model isn't based on the F47 renders, but rather on an idea I had of what it would look like in Boeing's NGAD.
As for general characteristics, I think it's pretty close, since, as I always say, the red plane in the patch is the Voodoo II. I always assumed it would have dihedral wings, since that can be seen in the neck of the skull. Also, as I mentioned here, the name Voodoo, besides being a "homonal" to the original F101 Voodoo, in my opinion is due to the prototype's V-shaped wings. Seen from the front, they clearly look like the letter V.
In the Bird of Prey patch, they didn't need to include the actual silhouette of the plane. But they did anyway.
There's another patch floating around on eBay, and from what I've talked to someone at Northrop, I think it might show the silhouette of the Northrop Grumman technology demonstrator. I don't know if it's the NGAD or the F/A-XX. But I think it belongs to that company.
This is speculation on my part, and I'll make a model of it.
I'll also make a model of the F47 based on the renders, since the specific design of the nose and cockpit is quite different from my model.
I also think the model shown doesn't have "square" air intakes, but rather curved ones, B-21-style.
I don't know what the F47 will end up looking like. It could be, as you say, a delta with canards and no tail. Which would seem much more attractive to me than the model I made (I don't like it at all aesthetically, haha).
But for that, the wings of the F47 shown in the renders should be set back considerably.
And if it has "gull wings" like the Bird of Prey, they should be even further back.
But on the other hand, I think, if the model shown isn't the F47, and has nothing to do with it, why go to the trouble of hiding "certain sensitive parts" of the design?
When the first drawn image of the B-2 was presented, the aircraft was shown as it was, but the exhaust ports were erased, something that remains a "subject of some secrecy" to this day.
Greetings, and thanks again for the work you did!