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why doesn't India build its own testing beds? such R&D infrastructures is key to the sustained development of aircraft R&D capacity.

what a good and universal excuse "" I can do it anytime I want..but is not necessay" is ! anything that has not been worked out , delayed or given up can be explained with it! For example: Yankees can say that they can return to Moon anytime they want. now it is not necessary..so...

you should tellit to Obama and persude him to restart the project of landing-moon.

Today ,both UK and France can not produce big trust engine now. after they gave up plans of big engine decades ago, they stoped accumulating relative experiment datas and abolished relative equipments and tech. even IF both determined to develop trust big engine right now, it would take them...

USA landed on moon 40 years ago. but it can not do it until 2020. Besides, 44 years ago, the T/W ratio of engine was only 5.0... the only use of a 5.0 level engine with 169.2KN today is for exhibition in museums.

today even UK and France can not produce big engine with a thurst of over 110 KN.

others will not stay still and wait for India. As I said, USA/UK are developing 15.0-20.0 level engine; Russia/France are developing 10.0 level engine China has been developing 10.0 level engine ( for CHinese 5G bird) for decades too ,with 8.0 level engine(WS10) in service now...

if the "core" is to be redisgned, then it will be a new project still tagged a old name of "Kavery" ,in fact.

guy, 1. when will Kavery MKII have a T/W ratio of 8.0 or so? it is not as easy as your cheap talk. according to Aja Shukla, Kavery T/W ratio is only about 6.0. morever, Kavery is still being tested in lab and not in service yet. it once took USA and other countries 20 years to...

or, guy,pls don't fool yourself. there are several different caluation criterions for T/W ratios. Russian criterions is quite different from USA's. you always used the strictest criterion for others while using the loosest criterion for french's....is it your another hobby to flatter yourself...

BTW, according to "Aja Shukla"'s report, Kavery's T/W ratio should be about 6.0,a bit more than that of UK's Spey,which was developed in 1960s. USA's F110 and Russia's AL31 were developed in later 1970s or early 1980s,which have a T/W ratio of 7.0-8.0 the engine of M2000 is also about 6.0...

the several criterion of the performance of engines: 1. T/W ratio. the more the T/W ratio is ,the more advanced the engine is. Generally speaking, the engines of most 4G birds has a T/W ratio about 7.0-8.0,except M2000. the engine is always one main shortcoming of French birds. the...

well,guy .same tricks comes again... compare french toys in labs with other's toys in service... first is "meteor",now it is turn of M88...come on,guy ,don't you have any new tricks? BTW, F16 and F15 used the same engine with a T/W ratio of 7.0-8.0. SU27's engine also has a T/W ratio of...

it is someone's hobby to compare paper project in labs with other's mature products in service. once he also compared "meteor" that is still in lab with other's missles in service.

French engine is generation behind UK and USA and almost equal to Rusisia's. in fact, before USSR collapsed, as for engine tech French was most crappy ,of the 4 countries that could manufactur engine independently. However, French has good avionics. Of all 4G bird, French M2000 has poorest...

the complication of industry-chains is much more than you think. a big military project such as subs or engine needs the supports from hundreds of industry sections ,such as metallurgy,material,machining,electronics..etc. sometimes, even one component of subs or engines take decades to...

India has to make up lots of missed lessons,before India can work out a real indigenious engine.

pls provide link....ok?

when was J10 sent to Russia for test? could you tell me??????? :icon_salut:

in a word, real edging sophisticated tech can not bought in market..period..