Last Hope
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When i read your post, the first thought came in my mind, to ban you. As you did not read the post clearly or may be i spoke in Persian.
I said modification was done in the fan module, not fan blades, can't you differentiate ??? fan blades are one part of the fan module, fan module comprises of different items.
And the RD-93s which we got are still smokey, i every 2nd day see atleast 2 JF-17s taking off while on my way to office, and they smoke big time, just like a diesel engine. But when they reach a certain altitude and turn off their after burner that is when they start smoking the most but it vanishes after a few secs and then normal light black smoke is seen and sometimes nothing whatsoever.
So if RD-93 is RD-33-2 or not, ours still smoke but at certain thrust levels, and when seeing JF-17s perform at airshows, you can hardly see them smoking, which clearly means, some modification is done in them for the airshows and thus less smoking. Do search out the video of JF-17s leaving farnbrough air show and see how much smoke they left after their departure.
And again, PAC has done inhouse small level modifications in the engines to make them less-smokey and something in the fan module for some better performance level, no fan blades have been added or new fan blades added to them, just some modification in the existing hardware, to perform better when required.
If you can't accept the fact, then plz don't argue anymore as it would be useless.
The last batch of JF-17 units (3rd Squadron) have some engine modifications to reduce the emission of this smoke. I don't really know what modification or in which module. The Block 2 is going to be the same, with minimal or zero smoke emission.