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Chinese Aero Engine information thread

In Yanliang, the Il-76 was testing a WS-20.

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Looks like there are two type of AVEN design, one is testing on J-10, another was operated by Chairman Jiang.

The first type of AVEN, which is testing on J-10:

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From a Journal
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The second type of AVEN, which was patented by AVIC Shengyang Liming Aero-engine Group.

Liming's Patent Application
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Looks like there are two type of AVEN design, one is testing on J-10, another was operated by Chairman Jiang.

The first type of AVEN, which is testing on J-10:

View attachment 444879

From a Journal
View attachment 444876
View attachment 444877




The second type of AVEN, which was patented by AVIC Shengyang Liming Aero-engine Group.

Liming's Patent Application
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View attachment 444882

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View attachment 444878
Look at the military attire, if it's during Uncle Jiang's time, it meant they had a functioning prototype 15 years ago.
 
It's probably just a demonstrator than an actual prototype ... it wouldn't take 15 years for China to implement TVC
Actually, it would take that long since the domestic engine was not mature enough to mount such a mechanism.
 
Actually, it would take that long since the domestic engine was not mature enough to mount such a mechanism.
I don't doubt it but I find it highly unlikely that the Chinese had a working prototype during Jiang Zemin's era ... to have a working TVC before the completion of WS-10 in the mid 2000s is unlikely. Maybe 5 years ago but 15 sounds too far of a stretch ... and it makes sense given the state of the Chinese engine industry then and now.
 
CJ-1000A will win out over SF-A and keep ACAE as a viable and independent organization as opposed to being pulled into the larger, military oriented AECC. The competition is good for China.

Either project is historic.
 
CJ-1000A will win out over SF-A and keep ACAE as a viable and independent organization as opposed to being pulled into the larger, military oriented AECC. The competition is good for China.

Either project is historic.


What's the status of the SF-A? ... and it is developed by whom?
 
What's the status of the SF-A? ... and it is developed by whom?

SF-A is believed to be a civilian version of WS-20, which matches the older generation of CFM56. SF-B refers to CJ-1000 series which would sort of match LEAP although the specification will still be lower.

SF-A was heard being rejected by the end user, ie. COMAC.

Although CJ-1000 will have lower specification when it enters market, Chinese government is rumored to guarantee its 30% to 50% installation percentage to the C919 planes. The other 50% to 70% will be filled by LEAP.
 
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