my frames start off good but by the end of a flight are in the teens... memory leak I guess

 

Yes, that's exactly what I saw too.   Sitting on the ground, it was ok(ish), although as some of the systems would boot up I'd see temporary short terms frame rate drops down into the teens or single digits.  but then it would come back up.

 

However once flying, frames rates would slowly reduce and once I was on approach (even to default airports) I'd usually be at around 13 FPS, where in the PMDG 777, I'd have around 25 FPS.

 

Just something not right with the 747 on FSX - at least on mine and quite a few other users' systems.    Hope it runs better for the P3D crew.

Yes, that's exactly what I saw too. Sitting on the ground, it was ok(ish), although as some of the systems would boot up I'd see temporary short terms frame rate drops down into the teens or single digits. but then it would come back up.

 

However once flying, frames rates would slowly reduce and once I was on approach (even to default airports) I'd usually be at around 13 FPS, where in the PMDG 777, I'd have around 25 FPS.

 

Just something not right with the 747 on FSX - at least on mine and quite a few other users' systems. Hope it runs better for the P3D crew.

Yea I hope the service pack solves it.

I have this since yesterday and i'm very disapointed (low fps).It's not possible to fly like this.

Hello everybody. I've tried another set "optmize=1 and fps unlimeted" and it's much better.

(PrePar3D v2.5) I purchased about a week ago and its a nice looking aircraft especially at night, It's too bad I can't make it fron ksfo to klax without running out of memory at low settings. I can't get into their support forums for some reason, maybe there's a fix. I'll give it another week to see if I can figure something out if not I will get a refund.I will post again......