China's V/STOL studies, concepts & considerations

Tomboy

Tomboy

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MeiouHades said:
There's a massive difference between an engine doing 250+kN in F119 form factor vs an engine doing 200kN in F135 form factor. I'm pretty sure the engineers over at Xian probably modified and tested a WS-15 producing 200kN too. But that's not really the point here. The point here is that, for an aircraft of this kind, PLAMC has two choices. Either deal with the massive headache of operating a twin-engine VTOL design, which no one has done before basically (no the Harrier doesn't count), or go all in on a radically new engine design and the most powerful of its kind ever.
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It's going to be a single engined design as the lift fan as the clutch and gearbox can only accept a single input shaft, why do you need an engine with 250kN thrust again? 200-220kN is already plenty of thrust and within the limits of an engine with similar overall dimension as the F-135.

PS: Harrier is a single engined aircraft, it just uses 4 vectored exhausts. Yak-38 uses three separate engines.
 
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