Ray,
Try going here:
http://members.a1.net/spunki/Spanten-MiG29.zip
Its a german website but the link pertains to what you have been after....crossections of the Mig-29.
If you are able to understand german the guy has a description of his Mig-29 on which those fuselage formers was based on.
http://www.rconline.net/magazin-2000...rumpfbau.shtml
Good luck.
Regards
Reuben Saliba
Malta