The Yak-44 was meant to use catapults though. The Ulyanovsk was equipped with a pair of them on the angled runway. I really doubt it would have been able to take off from the ramp.
Do you think it is a mistake that KJ-600 not use propfans instead of turboprops? Are propfans superior to turboprops overall?Yak-44 was to use propfan engines. Compared to turboprops, they have better speed and performance, with the same fuel economy.
This is the wikipedia article:
I dont think that china has this kind of technology. So, i assume that KJ-600 needs a catapult.
Propfans are more like turbofans where the large fan at the front is unducted; basically a Turbofan with turboprop-like efficiency and performance. Like everything in life, though, it is a trade-off and usually the complexity of the propfan is not worth it for most aplications and you are better off with just picking a turboprop or just a normal turbofan.Do you think it is a mistake that KJ-600 not use propfans instead of turboprops? Are propfans superior to turboprops overall?
the S-3 Greyhound replacement/S-3 Viking but limited powerplant choices might have led towards this way.
To be honest I think propfans and turboprops are overrated given modern turbofan engine performance.