I think a lot of these “took too long” engine projects were mostly just getting constant redesigns because the tech base was improving very quickly while they were in the testing process.
Chinese Engine Development
- Thread starter jackbh
- Start date
how you are always so correct .. XD
during 2021 airshow, Y-20 chief designer said. WS-20 has reached out to the point of being in mass production.. basically project was completed back then but as you said. the rapid rise of China's material/high end manufacturing delaying these projects as institute keep upgrading the machine with latest component..
AECC showcase ''3D printed Nickel based superalloy'' and your reaction was WOWWW .. so please elaborate what is the significance of Technology ???
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It'd be interesting to see the specs on the WS-20 now.
Although I think WS-15 entering production sooner than people expected also was a factor here.
I was for example surprised when the guy from AECC last year basically said WS-15 was in mass production, but WS-20 was not.
I know how R&D works.
If its performance is better than cast parts that means they’ve got the metal powder laser sintering performance down *really* good. Fan blades are subject to a lot of strain and have to meet high durability and fatigue requirements which means the micro-structural consistency and integrity of the material must be very good. 3D printing has traditionally been inferior on this front to other metal parts production methods.