CriticalThought
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wrong all reports...albeit no offical source suggests that ws 13 is 100kn power engine and so is the rd 93 ma
please update yourself
AESA radars are getting better and better, so far reports suggest that rd 93 baseline engine can support AESA,
remember rd 93 has about 10% more thrust than gef-404 anyway
rd 93 and rd 93ma is much mature engine, that is the reason to stick with it
i am comparing ge f404 to rd 93.... comparing a recent sale of 100 engines to india @ around 9 million
assuming overhaul time and maintenance is twice as costly...
rd 93 will still be cheaper
The F404 that India is buying is a top notch engine that benefits from the latest technology available in 2017. From Wikipedia, some of the maintenance features are:
It requires less than two shop visits per 1,000 flight hours and averages 6,500 hours between in-flight events. It also demonstrates high responsiveness to control inputs, spooling from idle to full afterburner in 4 seconds. The engine contains an in-flight engine condition monitoring system (IECMS) that monitors for critical malfunctions and keeps track of parts lifetimes.
That idle to full afterburner in 4 seconds means an absolute superiority when recovering from tight turns, evasive manoeuvers, etc.
Also, GE is testing its latest Carbon Matrix Composite technology on the F404, and it makes a lot of sense that India will be benefiting from it having paid such a high price.
Finally, in recent years, GE has been on the forefront of using IoT for engine maintenance. Their engines have a virtual counterpart that goes through exactly the same wear and tear as the actual engine, allowing them to predict failures and perform maintenance as and when needed. So yes, the higher price is quite justified for a modern engine.