DI Wiki Epstein Archive ATS Archive PDF Archive North Korean TV
 

F-47's DNA & Tech
#1
The F-47’s Shape Isn’t New: It’s the X-44’s Legacy Reborn

[Image: Screenshot%202025-10-27%20222710.jpg]

 When people talk about NGAD’s F-47, they act like it’s some sudden leap in design. It’s not. The truth is the lineage goes back more than 25 years to Lockheed’s X-44 MANTA study, a tailless, thrust-vectored concept that tried to fuse bomber-style stealth with fighter agility. The tech was shelved back then because the control software and materials weren’t ready.
 
Fast forward to now, and every piece of that puzzle finally exists. Flight computers can handle full-axis vector control. Composite-metal hybrid structures solve the weight and stiffness problems. Thermal and radar management can be built right into the skin.
 
Two recent open-source analyses, one tracing the F-47’s design DNA to the X-44 MANTA and another describing its bomber-like stealth, line up cleanly. The new jet is shaping up as a long-range, tailless, blended-wing platform with internal volume for fuel and sensors, Mach 2-class performance, and enough computing power to control loyal wingmen from standoff range.
 
What’s interesting isn’t just the shape. It’s the mission logic. The F-47 isn’t being built to dogfight; it’s meant to dominate from distance, see first, fuse first, and kill first, while running a network of UCAVs that can probe, jam, and strike.
 
If those open-source clues are accurate, this isn’t a reinvention. It’s the quiet completion of a project that started in the late 1990s and finally found the technology to make it real.
 
If that shape is what they’re really flying, the hard part isn’t the aerodynamics, it’s the materials and control logic. A tailless blended body at Mach 2 is a nightmare for heat management and structural stability. You’re dealing with thermal soak across the whole skin, not just the engine bay, so you need composite-metal hybrids that can expand and flex without warping stealth geometry.
 
Then there’s the control law problem. Without tails, you can’t rely on conventional pitch or yaw surfaces. Every correction runs through thrust vectoring and micro-deflections along the wing’s trailing edge. That takes flight computers with extremely high update rates and deep redundancy.
 
From what’s trickled out in open sources, they’re probably using embedded cooling channels and radar-absorbent composite laminates that double as structure. That would explain why these prototypes stay hidden so long; it’s not just classification, it’s the manufacturing time. Getting a full-scale section to pass thermal, radar, and structural tests at once is no small thing.
 
If they’ve solved that, the airframe is already halfway to production. The rest is software and integration, and according to public statements from the Air Force and Boeing, the first F-47 is already under construction.
I am the Signal Witch - Illusorix, casting phantoms, ghostscripts, falselight, and artifacts into the spectral bloom...
#2
What’s old is new again. The heat dissipation conundrum has been one of the issues I’ve been most interested in learning more about. With range being a key element of the F-47, it stands to reason (in my circus sideshow of a brain, at least) that the F-47 will be carrying a fair amount of internal fuel. So I wonder… would they possibly go back to the good old days and actually circulate some of that fuel to use as an active heat sink?  It worked well for the Blackbird family of airplanes, and I’m sure some other high performance, fast moving vehicles. 

Many years ago (2006-ish?) I was sitting at my Uncle Tommy’s feet as he regaled me with snippets of stories about some of the things he was a part of at Lockheed ADP and Rockwell. I recall him saying that “sometimes high performance engines prefer pre-heated fuel” because it burns more efficiently and the engines don’t have to work as hard to get the performance they’re after. “Warm gas and cold air can make an enormous difference.”

As an aside - He also told me that one day, “we won’t bother with combustion…what we WANT is detonation. You’ll see”. I have been seeing that creeping into little updates and aviation news some in the last few years.
#3
Quote:would they possibly go back to the good old days and actually circulate some of that fuel to use as an active heat sink
Its a very efficient way to cool things down.Its a trade off between skin friction at higher speeds in low altitude and cooling at lower speeds at high altitude.Heat is an energy so needs to be used or offloaded (bad for stealth).
There was a famous PDF that came out of the 90,s looking at futuristic designs that went to the major contractors from the Government.If you look at it now a lot of things make sense.
Quote:When people talk about NGAD’s F-47, they act like it’s some sudden leap in design. It’s not. The truth is the lineage goes back more than 25 years to Lockheed’s X-44 MANTA study, a tailless, thrust-vectored concept that tried to fuse bomber-style stealth with fighter agility. The tech was shelved back then because the control software and materials weren’t ready.
  Exactly this! Material specs for high heat dissipation on skins plus hardware miniaturization and maturity is what everyones been waiting for.Plus manufacturing techniques.
Ive been 3D printing things for about 10 years now and the changes on machines and materials is worlds apart.
Infill patterns on 3D printing.
This 3D Printer infill is the strongest (3D Printer Academy Tested - Episode 2)
#4
(10-28-2025, 05:00 AM)Blackfingers Wrote: ……Its a trade off between skin friction at higher speeds in low altitude and cooling at lower speeds at high altitude.Heat is an energy so needs to be used or offloaded (bad for stealth).



As an aerospace engineer, I think a few comments are in order.

It is an extremely common error to attribute airframe heating to “skin friction”.  In reality, friction of the air flowing over the airframe contributes almost nothing to heating.

Airframe heating due to high speed flight is caused by compression heating.  Any forward facing surface in a high speed airstream causes the oncoming air to slow down and momentarily stop at the interface of the air and the surface. (That’s called the stagnation point.) As it slows to a stop, it compresses. When it compresses, it heats up. It’s the exact same process that occurs in a diesel engine, for example.  

The air will eventually flow around the surface and be swept away in the airstream. As it does so, it expands and cools off again.  This results in a bubble of hot air attached to all the leading edges of the airframe. So that’s where the heating is maximum and where you are most likely to start damaging the airframe with excessive temperatures. It’s also where the infrared signature will be greatest.  So, by pumping fuel through channels in the skin at the leading edges (of the wings, for example), you solve both problems at once.
#5
Nice thanks Exeter :) I was only taught basics during my apprenticeship aeons ago..
Wondering if Ionizing the leading edge helps with that as well?



Possibly Related Threads…
Thread Author Replies Views Last Post
  Dubai Airshow 2025: A Tech Report Signal Witch 4 567 11-23-2025, 06:03 AM
Last Post: Blackfingers