
Originally Posted by
Hyde
No. It depends on the weight, and the F-16 doesn't weigh as much as a Sukhoi. They are pretty much the same thrust to weight wise, so the engine has to work as hard as the engines in the Su-30.
Of course it will. Fuel consumption is measured in how much thrust it produces. Since the engines produce the same thrust and are of the same generation, fuel consumption wil be more or less the same, but times two. Just as the empty weight is times two.
Fuel consumption isn't measured in number of engines, it is determined by the thrust that the engine produces.
And of course the two planes will have a similar fuel consumption, when both airplane's engines have a dry fuel consumption of 0.81 lb/lbf-hr, and both put out a similar maximum dry thrust of 53/55 kN. The engines can't do anything but have the same fuel consumption. The T-50 is heavier however, and pays that with an increased fuel consumption when it has to throw on its afterburner or generally maintain a higher thrust output than the M346. But that is due to the weight, not the engines themselves.