Are you sure?canted tail provide lift not stealth
Are you sure?
He's probably sure, but also wrong.
Anyhow, there are many improvements the PLA could've made to the Su-27/J-10, but the only ones they've made are ones that can be applied to future aircrafts(IRST, possibly AESA, and DSI on the J-10B), unless absolutely necessary(tail hook on the J-15, e.g.). It seems to me like the entire PLA is treating the current generation of weapons more as testbeds than weapons which may be needed en mass.
Just look at the production numbers across the board. The J-10s are not being produced nearly enough as a replacement for J-7(they've been replacing J-7 regiments I believe); all newer naval vessels except the 054A has only been produced in batches of 1 or 2 per model, including submarines; the T-99 tanks have also been produced at far lower numbers China is used to.
I think the PLA is trying to take maximum advantage of the current peace surrounding the country to concentrate on making strides in R&D and catching up to the Americans rather than spending a lot of their money on production or refining systems/platforms which are already a generation behind.
Not so sure about this. It could be that china is still having a lot of difficulty in mass manufacturing those items (indigenous turbofan anyone?). Creating in laboratory is one thing. Mass producing is another.
Even a WP-13(that's J-8B's engine) or a WS-6 also has an adjustable nozzle.
I think you confused the terms of adjustable nozzle, convergent-divergent nozzle and ejector nozzle.
In short, a WP-13 has an adjustable nozzle, but not an convergent-divergent nozzle or an ejector nozzle. The nozzle of a WS-10/10A is an ejector nozzle and a AL-31 has a convergent-divergent nozzle.
Attached Photo: the adjustable nozzle of WP-13
[qimg]http://www.sinodefenceforum.com/attachment.php?attachmentid=4445&stc=1&d=1279027510[/qimg]
It doesn't have to be indigenous, they may just as well buy AL-31's from the Russians like they had been. The focus on indigenization is another sign supporting my theory, as it is the route which requires more R&D, time, and money(at least in the short term) and is less conducive to greater numbers. Even after indigenization is achieved, and the latest news suggest that it has, I doubt that they'll be mass produced at numbers that we're used to.
You have to look across the board too. China has been making quality steam turbines and nuclear submarines for decades now, yet the only naval vessels mass produced have been the 054A and the 022. They can freely buy engines for their T-99A1 tanks as well, and latest reports indicate that they've achieved indigenization with that as well, yet they're hardly being mass produced.
Just look at the production numbers across the board. The J-10s are not being produced nearly enough as a replacement for J-7(they've been replacing J-7 regiments I believe); all newer naval vessels except the 054A has only been produced in batches of 1 or 2 per model, including submarines; the T-99 tanks have also been produced at far lower numbers China is used to.
I think the PLA is trying to take maximum advantage of the current peace surrounding the country to concentrate on making strides in R&D and catching up to the Americans rather than spending a lot of their money on production or refining systems/platforms which are already a generation behind.
The T-99 is a bad example. Currently the PLA have a two tier rearmament program for their tank forces to replace the Type 59 and Type 88 tanks that still make up a very large number of the PLA's armoured assets. The vast majority of these Type 59s will be replaced with Type 96Gs rather than Type 99s. This 'hi-lo' combination is meant to reduce costs
As weapons systems become more complex and more expensive, nations can only afford fewer of newer systems. However, since the newer systems are considered to be more capable than existing systems, this trade off between numbers and quality is considered acceptable.
I may be mistaken, but didn't they have a two-tier system before as well?