Wait for some time ,before it is deferred to 2035 , even turkish media , their defense analyst are not so confident on it , these press release and all are misinterpreted many times ,in india too .I think you could be right - story has disappeared from the site.
Our politicians and bureaucrats in many instances were penny wise pound foolish as they didn't get the long term consequences of their decisions. That decision not to finance the upgraded engine was one such.OK. DIY. Or do it with SAFRAN.
By the way, RR offered to increase the thrust of the Orpheus from 4,900 lbs thrust for not a lot (reportedly £3 million) but GOI did not want to finance it. Instead India went for the Brandner E-300 engine being developed to power the Egyptian Helwan HA-300. So which party was not flexible? India was offered a more powerful engine by RR. India chose another route. Unfortunately HA-300 was cancelled, along with its engine in 1969.
The transonic trap refers to a phenomenon in which the SU-27's stable coil envelope can be used to plummet during the transonic phase.Never heard of it for Su30MKI
This is explained in "AIAA 2004-4752 Asymmetric Stiffness Feedback Control-EF-2000 Transonic Lifting Mitigation"Never heard of it for Su30MKI
They still need a supersonic wind tunnel for testing.Turkish Aerospace (TAI) has begun constructing a wind tunnel to support development of Turkey’s planned indigenous combat aircraft, TF-X.aviationweek.com
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