Besides, the article misses one important point. There is another reason for smoke in older jets engines, and this is... age. Older engines need more fuel to achieve the same thrust, and the balance shows as smoke. This is why one method to assess the condition of an engine is to measure the temperature of its…

The principle was visible for a long time, since it is only logic. The subject itself of the standoff between the F-35 and the PAK T50, or even the Su 35, has had specialists scratching heads in the US - and I am sure, in Russia as well - ever since they knew of each other. It would be difficult to predict an outcome…