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FS2004 Frame Rates

I uploaded my O'Hare 2018 upgrade a couple of months ago. Very often (this wasn't always the case, at least as far as I remember) the frame rates are kinda bad, mostly when the screen has a lot of aircraft in the picture.

Most of the scenery was just default buildings added and a crud-ton of taxiways added (even most taxiway signs..). Only the jetways were from a 3rd party.

Anyone familiar here with what one has to do to keep frame rates down? I've seen larger projects (similarly large projects; ORD is pretty up there) with not bad FRs. Any tips on what one could do? Thanks!


Resource contributor
I assume you mean keep frame rates up. Try this - lower the AI Traffic slider to 0 and see what your frame rate is then (with the frame rate slider at Unlimited). That will give you an idea of the complexity of the scenery itself. The frame rate should be maxed out.