And you think after more than a decade without any evidence of such a WP-13 powered J-10, that there is going to be any evidence at all? After all this time, if there is going to be any evidence, it would have risen by now.
You’re really full of bull****. I have already given you all the valid technical reasons why the J-10 could never be powered by the WP-13. You cannot translate the Russian experience with the Chinese experience. Even the MiG-23 R27 engines have an output and weight similar that is similar to he AL-31F engines (something like 26000lbs of thrust vs. 27000)—which by the way, still has NOT actually flown. The power difference between the AL-31FN and the WP-13 is nearly 100%—that is 6600kg VS 12,500kg. Where is your technical reasons, eh?
SIBNIA’s alleged participation in the J-10 project is not proof that any WP-13 powered J-10 prototypes exist. As a matter of fact, the Russian article you pertain offers no new information but added speculation based on a collage of internet rumor and speculation, not to mention full of gaping errors such as not knowing accurately when the first J-10s entered service despite the Russians themselves having already mass supplied the engines prior to 2004. In other words, that “source” of yours have no claim or access even to inside Russian information that could have been involved with the J-10.
Первый полет опытного самолета “23-01” состоялся 3 апреля 1967г. (летчик-испытатель П.М. Остапенко). Истребитель, выполненный по нормальной схеме с треугольным среднерасположенным крылом и цельноповоротным дифференциально отклоняемым горизонтальным оперением, был оснащен маршевым двигателем Р-27-300 (1 * 51,0 кН/1 * 5 200 кгс, 1 * 76,5 кН / 1 * 7 800 кгс) и подъемными двигателями с надфюзеляжными воздухозаборниками. Крыло имело мощную систему сдува пограничного слоя, что, в сочетании с подъемными ТРД, обеспечивало самолету длину разбега 180-200 м и пробег с тормозным парашютом 250 м (величина, рекордная для реактивного самолета такого класса). Самолет “23-01” успешно проходил летные испытания и был эффектно продемонстрирован на авиационном празднике в Домодедово 9 июля 1967г., однако 26 мая 1967г. А.В. Федотов поднял в воздух другой опытный МиГ – изделие “23-11/1” с крылом изменяемой геометрии, который и стал прототипом серийного истребителя. Самолет “23-11/1, как и “23-01”, был оснащен ТРДФ Р-27Ф-300 (5 200 / 7 800 кгс), созданным под руководством Хачатурова и имеющим удельный расход топлива, на 25% меньший, чем ТРДФ Р-11Ф2-300, установленный на истребителе http://topgun.rin.ru/cgi-bin/units.pl?unit=2040
if you read this articles it gives the figure for the R-27-300 this engine has a max thrust of 7800kg, there is another engine named the R-27F2M-300 that engine has more power it has a yield of 10000kg
however they are saying the MiG-23PDP or otherwise known as MiG-23 prototype 23-01 are powered by R-27-300 of only 7800kg of thrust
So as you can see the MiG-23 first prototypes used a really low yields engines and modern Indian MiG-27 use Al-31. the chances a J-10 can be fitted with a WP-13 and later changed to a AL-31 are high, there are not technical inpossibilities specially if you are talking about prototypes that usually are modified; example MiG-23 or Su-27 both aircraft have different prototypes in the MiG-23 these were the 23-01 STOL-delta wing aircraft and the VG wing 23-11 and the Su-27 it had the T-10 and the T-10S
here is another link check it
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