Fuel flow gauge decreases under accelerated sim rate.
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I have noticed on the otherwise spectacular C208, that the fuel burn gauge indicates reduced fuel flow under accelerated sim rate. If I am at max cruise power burning 380-400 PPH and I accelerate the sim rate to 2x, the gauge now indicates I am roughly 100 PPH less. This compounds with higher sim rates. So at 4x I am now 150-200 PPH less. I am unsure if the actual burn rate differs as I noticed this at the end of the flight.
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This is something inherent to how I implement my turbine engine simulation on top of the native engine simulation. I've briefly entertained adding a compensation for time acceleration in my code, but I'm not actually sure it would behave the same on every computer, since I think it has more to do with the simulation polling rate than the time acceleration itself. In the meantime, this effect should not be limited only the fuel flow, but the entire engine simulation, so adjusting the power lever position at your desired time acceleration should yield correct performance and fuel burn results.
