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this post was submitted on 02 Jun 2024
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Technology
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If this drag reducing pattern is public knowledge and is effective, why wouldn't the US also be using it? There's nothing about 3d printing TI that's unique to China.
It’s not just public knowledge, Lufthansa tested it in commercial airliners a few years ago. it’s just a FUD article to make it look like this is some new unknown super tech.
https://aviationweek.com/mro/aircraft-propulsion/lufthansa-technik-targets-aeroshark-application-other-aircraft-types
This is from just a few weeks ago
Looks to me that using shark patterns inside a jet engine (vs as outer skin) incl hardened printing methods is a new tech, and yes everybody can eventually imitate/repeat other peoples tech, but it'll take time to get things right, so the article seem unbiased enough.