Quasimodo

You see I'd love to know if when using FTFF Dynamic and unlimited frames is it really unlimited or does it just say its unlimited in the GUI of P3D. Because my understanding is that any FFTF value above 0 is antithetical to Frame rate = unlimited for that same reason that wreaks havoc with any other equation!

I can't either. I gave it a good go locking to 30 fps with 30hz and FFTF=0.1. Even with setting that delivered well over 40 fps with Vsync off and Frame rate set to unlimited I see long frame stutter and the odd burst of micro stutters once I turned Vsync, TB on and limited the Frame rate to 30 or 31. Once I reverted back to Unlimited Frame Rate those stutters completely disappeared. Only I suspect that with Unlimited frames the autogen loads closer the aircraft than it does with limited frames. (I'm not sure about that. Will require further testing). All things considered Prepar3D V5 is awesome. It's a huge improvement over V4. Particularly and almost entirely because of TrueSky. I need 20GB of VRAM please!🤪

I use Vsync and TB on with unlimited and my refresh rate set to 24hz in NCP. With that I use TrackIR5 with a custom profile with the smoothness set to 50 with precision tracking. On top of that I also use the additional smoothing feature in EZCA 3.1 set to about 700. Of course for this to work properly I need the actual frame rate delivered by the sim to be above 24fps. I aim for 30. I tried setting a limit of 30 to Frame Rate in P3D setting to rationalize frame rendering but I found that no mater what I set Frame Rate too other than unlimited in the P3D setting I get some long frame stutters and occasionally a burst of micro stutters. With Unlimited the sim is virtually perfectly smooth.