GarryB wrote:In which case they would not drop them which means a higher drag penalty.
I think they can be dropped can't they? In any case the use and discarding of EFTs is wasteful and forces the planes relying on them to dedicate their most capable suspension points to fuel rather than payload, effectively turning very nice looking payload capabilities in way less stellar figures in actual missions. With Flankers 8 t payload is the actual amount of weapons they can carry in real missions and that makes a big difference.
Isos wrote:You can found the consumption of the engines on the web and calculate it depending what fuel tank you take
But fuel isn't the only issue. I read somewhere that Rafale is more limited by the oil for its system during long flight than fuel.
You can't just refuel a plane and fly it 24/7. At one moment you will have other issues that will oblige you to land.
And like in cars no oil can destroy the engine.
P.S: my 4000km number seems to high. Like LMFS wrote its more 3600.
Calculating real consumption rates is difficult because you need aerodynamic values of the plane, propulsion parameters depending on altitude and speed and top top of it, those values are variable depending on weight (TO value and fuel consumption), even if the drag profile due to jettisoning EFT or weapons is not considered, but I agree there are other issues, only Tsavo thinks planes can fly eternally by being refuelled. The range figure is official, I took it from KnAAZ's Su-35 booklet.