Not sure if this will be the right forum, but I am noticing a degradation of performance as I go on longer flights. I have tuned my system IAW different forum suggestions. Currently running Win 7 64 bit, 4 gb ram on a dual core Intel processor. Very pleased with the results. I can get both add on planes to give me 30+ fps in complicated airports... LAX,JFK,BOS etc.OK here is the weird part. A flight from KSFO to KLAX PIC 737 starts out at 30 - 40 fps, take off and fps goes up to 40 - 50 and sometimes higher as I approach KLAX about 100 miles out fps comes down to 20 fps and by the time I land is at 12 to 14 fps. If I stop the sim, shut down FSX and restart, put the plane back where I left it, not changing anything else, I am back to 30 - 40 fps. On longer flights, like 3 hours or so, the fps is down to 7 or 8 on landing. Reload FSX and I'm back to 30 - 40 fps. This is true for the PMDG 747 as well.It seems that either the add on planes or FSX is stacking resources and causing the degradation of performance as time goes by in the sim.I have tried changing sliders down as I approach destinations, but this seems to have no affect. I'm just wondering if anyone else has experienced this phenomenon? I have seen some threads that seem to be similar, but nothing specific.I am running FSX with PMDG 747 and PIC 737 add ons, fs2crew (have experienced this phenomenon even without fs2crew), fsuipc4 (have experienced this same phenomenon without fsuipc), so I'm wondering if this is an FSX phenom.Anyone...?Norman

it may be a heat issue. have your cleaned out the dust lately? thats the first thing i do when there are perf issues. intake, exhaust graphics card processor ect... Make sure its all clean and air can move.

What are you using for traffic? As you approach an airfield from the air, you'll normally see a performance hit when you get to the range where the AI traffic on a busy airfield is generated. When you restart on the ground, much of that traffic either doesn't get generated immediately, or is not visible. Also, in an area with a lot of autogen and detailed scenery objects, much less will be generated from a position on the ground than approaching from the air with the entire shooting match up in the windscreen.Also, if your traffic includes aircraft not designed as AI birds (i.e. no mip-maps in the textures) the hit from even just a few of them coming into the sim's rendering "bubble" can be substantial.RegardsBob ScottColonel, USAF (ret)ATP IMEL Gulfstream II-III-IV-VColorado Springs, CO

What are you using for traffic? As you approach an airfield from the air, you'll normally see a performance hit when you get to the range where the AI traffic on a busy airfield is generated. When you restart on the ground, much of that traffic either doesn't get generated immediately, or is not visible. Also, in an area with a lot of autogen and detailed scenery objects, much less will be generated from a position on the ground than approaching from the air with the entire shooting match up in the windscreen.Also, if your traffic includes aircraft not designed as AI birds (i.e. no mip-maps in the textures) the hit from even just a few of them coming into the sim's rendering "bubble" can be substantial.RegardsBob ScottColonel, USAF (ret)ATP IMEL Gulfstream II-III-IV-VColorado Springs, CO

Man you fly the G5, I love you. For Rush Limbugh by any chance?

Seems like you are running out of resources. I wonder if those products have memory leaks?

Not sure if this will be the right forum, but I am noticing a degradation of performance as I go on longer flights. I have tuned my system IAW different forum suggestions. Currently running Win 7 64 bit, 4 gb ram on a dual core Intel processor. Very pleased with the results. I can get both add on planes to give me 30+ fps in complicated airports... LAX,JFK,BOS etc.OK here is the weird part. A flight from KSFO to KLAX PIC 737 starts out at 30 - 40 fps, take off and fps goes up to 40 - 50 and sometimes higher as I approach KLAX about 100 miles out fps comes down to 20 fps and by the time I land is at 12 to 14 fps. If I stop the sim, shut down FSX and restart, put the plane back where I left it, not changing anything else, I am back to 30 - 40 fps. On longer flights, like 3 hours or so, the fps is down to 7 or 8 on landing. Reload FSX and I'm back to 30 - 40 fps. This is true for the PMDG 747 as well.It seems that either the add on planes or FSX is stacking resources and causing the degradation of performance as time goes by in the sim.I have tried changing sliders down as I approach destinations, but this seems to have no affect. I'm just wondering if anyone else has experienced this phenomenon? I have seen some threads that seem to be similar, but nothing specific.I am running FSX with PMDG 747 and PIC 737 add ons, fs2crew (have experienced this phenomenon even without fs2crew), fsuipc4 (have experienced this same phenomenon without fsuipc), so I'm wondering if this is an FSX phenom.Anyone...?Norman

Norman, sorry, a little tangential, but what do you think of Windows 7 64-bit? Is it necessary to start fresh, rather than install over Vista Ultimate 64-bit? Just getting another opinion!Noel

Norman, sorry, a little tangential, but what do you think of Windows 7 64-bit? Is it necessary to start fresh, rather than install over Vista Ultimate 64-bit? Just getting another opinion!Noel

Noel,Win 7 64 is very good and yes you will need a "total format the drive and start from scratch approach"Norman

Seems like you are running out of resources. I wonder if those products have memory leaks?

That's what it seems like and that was what I was theorizing hoping someone has had the same issue.Norman

What are you using for traffic? As you approach an airfield from the air, you'll normally see a performance hit when you get to the range where the AI traffic on a busy airfield is generated. When you restart on the ground, much of that traffic either doesn't get generated immediately, or is not visible. Also, in an area with a lot of autogen and detailed scenery objects, much less will be generated from a position on the ground than approaching from the air with the entire shooting match up in the windscreen.Also, if your traffic includes aircraft not designed as AI birds (i.e. no mip-maps in the textures) the hit from even just a few of them coming into the sim's rendering "bubble" can be substantial.RegardsBob ScottColonel, USAF (ret)ATP IMEL Gulfstream II-III-IV-VColorado Springs, CO

Bob,Thanks for the reply, my AI aircraft are down to 10% on my slider. I will keep experimenting with those ideas.Norman