I haven't tried this yet but if it works as advertised it will sure help the framerates. There is also a new version of FS Recorder available.
FS2004 (ACOF) - Misc. FS2004/FSX Static Aircraft .mdl Maker
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Name: samm1000.zip Size: 442,104 Date: 11-21-2010
FS2004/FSX Static Aircraft .mdl Maker ("SAMM"). Tired of having to program AI (and suffer the overhead) just to have some "eye candy" sitting around your airport? No more! Static Aircraft .mdl Maker ("SAMM") will convert just about any flyable or AI aircraft into an FS2004 scenery model. (FSX will display most of these models satisfactorily). Just "point" SAMM to the aircraft you wish to convert, decide where to save the scenery file and, presto, "eye candy". Most aircraft will convert using SAMM's default settings. Where, the static model is not quite right using default settings or if you want to make your static models as efficient as possible, SAMM includes a set of tools to help you. By Don Grovestine.