J-20 5th Generation Fighter VII


Hub

New Member
Registered Member
Loss of thrust is not worth it for an older engine.
As I mentioned before, somebody said the new variants of WS-10 had a nice performance, even already met the most of requirements of WS-15. So Ws-15 had to redesign and meet a high level.
 

taxiya

Brigadier
Registered Member
Why would they test WS-10 with only one side?
I have the same question too. J-10 TVC has been proven to be reliable enough for a single engine aircraft, so using two WS-10TVC on a J-20 should not be more riskier than working on J-10TVC in its equivalent R&D phase.

From the perspective of writing baseline TVC control software, what ever outcome from the mixed engine arrangement must be very different from the arrangement of two engine of same type because the software is deeply coupled to engine performance and characteristics.

Thirdly, the nozzle looks the same as the WS-10 TVC, but that is no proof of anything. Unless this "someone" is a person from CAC R&D team.
 

siegecrossbow

Lieutenant General
Staff member
Super Moderator
I have the same question too. J-10 TVC has been proven to be reliable enough for a single engine aircraft, so using two WS-10TVC on a J-20 should not be more riskier than working on J-10TVC in its equivalent R&D phase.

From the perspective of writing baseline TVC control software, what ever outcome from the mixed engine arrangement must be very different from the arrangement of two engine of same type because the software is deeply coupled to engine performance and characteristics.

Thirdly, the nozzle looks the same as the WS-10 TVC, but that is no proof of anything. Unless this "someone" is a person from CAC R&D team.

Back when CJDBY was around Gongke claimed that the WS-15 nozzle looks very similar to that of WS-10TVC.
 

Jiang ZeminFanboy

Senior Member
Registered Member
As I mentioned before, somebody said the new variants of WS-10 had a nice performance, even already met the most of requirements of WS-15. So Ws-15 had to redesign and meet a high level.
The rumors about the redesign of WS-15 are old. If it went back to the redesign stage not a long time ago, we would see WS-15 at J-20 in the 2030s.
 

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