Shenyang FC-31 / J-31 Fighter Demonstrator

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Air Force Brat

Brigadier
Super Moderator

Speeder

Junior Member
Yes, you nailed this one speed, I'd say you scooped us all.

rofl

funny that it's well known according to the saintly NYT that a F-35 suppler's data were compromised to the evil Chinese...but...sure it's not F-22? :p

in teh same vein of logic, if Chinese hackers nees to get an insight of F-18, they only have to hack F-14? :p
 

Franklin

Captain
Why did the SAC develop a plane that needs the Russian build RD-93 engines and not the WS-10A that they build them selfs ? And what happend to the WS-13 engine or is that just a phantom too ?
 

jackliu

Banned Idiot
Why did the SAC develop a plane that needs the Russian build RD-93 engines and not the WS-10A that they build them selfs ? And what happend to the WS-13 engine or is that just a phantom too ?

RD-93 is for smaller jet like Mig-29 or J-31. WS-10 is only good for heavy jet like Su-27 and J-20, or even F-22.

WS-13 is the same class as RD-93. And WS-13 is just not ready yet, I don't see they have problem making them in the future, so why not get the jet flying first and test all subsystems until WS-13 come online. I don't see any problem with doing this.
 

Franklin

Captain
RD-93 is for smaller jet like Mig-29 or J-31. WS-10 is only good for heavy jet like Su-27 and J-20, or even F-22.

WS-13 is the same class as RD-93. And WS-13 is just not ready yet, I don't see they have problem making them in the future, so why not get the jet flying first and test all subsystems until WS-13 come online. I don't see any problem with doing this.

My point is that they could have designed a bigger plane so that they can use the WS-10. Perhabs F-22 size about 19m long. And wasn't the WS-13 already tested with the JF-17 back in 2010 when there was a report that a JF-17 prototype is doing high speed taxi trials with a domestic engine which is most likely the WS-13.
 

Air Force Brat

Brigadier
Super Moderator
Why did the SAC develop a plane that needs the Russian build RD-93 engines and not the WS-10A that they build them selfs ? And what happend to the WS-13 engine or is that just a phantom too ?
Well Franklin, the fact that China continues to purchase aircraft engines from Russia and the J-31 flying prototype was built with RD-93 is the result of a couple of factors. One when the J-31 was originally drawn, that engine was/is readily available and a known quantity, hence a good choice to power your flying prototype. Second, although China's jet engine industry has made some quantum leaps, it still takes the material, machining and know-how, and that takes time and money, one of the main reasons I believe TVC has been put on a back burner, engineer called this one a while back, while it might be nice, its not Necessary. The J-31 and J-20 are both very nice flying aircraft, that while a little low on thrust, have been compensated to a degree by having advanced flight control ststems that work with the airframe to keep them flying, even post stall, and to recover the aircraft from the post stall regime, with very effective long throw control surfaces. Both of these aircraft will expect a future and planned for engine upgrade, which will be, no big deal.
 

jackliu

Banned Idiot
My point is that they could have designed a bigger plane so that they can use the WS-10. Perhabs F-22 size about 19m long. And wasn't the WS-13 already tested with the JF-17 back in 2010 when there was a report that a JF-17 prototype is doing high speed taxi trials with a domestic engine which is most likely the WS-13.

They did.... it is called J-20. And if SAC make another J-20 class jet only one will survive. Therefore they made a Mig-29/F-35 class.

Like I said, WS-13 will be ready when it is ready. In the main while, get the bird in the air ASAP is the primary goal.
 

delft

Brigadier
Thats the difference between you and I bro, I couldn't wait for my buddy Ted to light off those Garretts as I manned the APU right behind the port engine, first the low growl as the geared turbines started to spin, the pitch gradually increasing as those Nicads spun up the big four bladed props rising to a low scream, and then whoossshh as the fuel was added to the hot section, about a four foot bright yellow flame, [fuel controllers a little off], as she lit, the low scream increasing from about 19% rpm as she spun up to 100% to the howl of a banshee, the propwash blowing the warm sweet smell of burnt kerosene around. As I waited for the Starboard engine, to repeat the same glorious awakening to that beautifull stereo Howl of Life, like some primordial beast being awakened, quivering in anticipation, unplug, pull my cart out of the way and salute my bro as he advanced the power levers and gave those big props permission to chew the air to pieces and spit it out! In the same way the J-31 will come to life, she will take her rightfull place in this aerial ballet called military aviation, someone will love her, maybe be a little afraid of what she might do if he doesn't give her the attention and love she demands, sense her power and beauty, and finally point her down the runway and let her live as a bird of prey, leaping into the air, ready to do her masters bidding, protecting her ship, or her homeland, mercilessly anxious to follow the commands of her master and do his bidding, as he follow the orders of his master, to kill or be killed, this is not play, its not work, it is life! She will protect her master until she loses, then she will mercifully spit him out to live on, as she faces her death alone. This all happens because of OIL, the fuel that powers the engine of freedom!
It was the smell of unburned kero I objected to.
 
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