Per the article the prototype was flow at around 20,000m and they’re specifically going up there for the efficiency reason. The design also has a “high lift-to-drag ratio” that is apparently helping out.
This one has some more detail, no way to confirm its veracity however.
https://theasialive.com/chinas-yunxing-jet-completes-test-flight-eyes-supersonic-commercial-travel-by-2027/2024/10/29
It could all be marketing hype, but there are a couple other companies in US and UK working on similar projects.
Per the article the prototype was flow at around 20,000m and they’re specifically going up there for the efficiency reason. The design also has a “high lift-to-drag ratio” that is apparently helping out.
This one has some more detail, no way to confirm its veracity however. https://theasialive.com/chinas-yunxing-jet-completes-test-flight-eyes-supersonic-commercial-travel-by-2027/2024/10/29
It could all be marketing hype, but there are a couple other companies in US and UK working on similar projects.
Yeah, I don't think it's an intractable problem overall. I think it'll be interesting to see if they can make it work.