I think that's the double layer petal design endemic to the RD-33 family. That would indicate the next-gen medium-thrust engine is not yet ready and/or the engine they're using now is a domestic modernisation of the RD-33 that retains the double layer petal design.
Shenyang FC-31 / J-31 Fighter Demonstrator
- Thread starter RedSky
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I think that's the double layer petal design endemic to the RD-33 family. That would indicate the next-gen medium-thrust engine is not yet ready and/or the engine they're using now is a domestic modernisation of the RD-33 that retains the double layer petal design.
asif iqbal
Lieutenant General
Congrats!
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