i guess up until now it never made as much of an impact on my flying. now im trying to practice 3d and i get stutters, bog downs, spits, etc. especially when i go from a low throttle harrier to pulling out and giving imediate throttle. it has costed me some minor crashes but soon it wont be minor. how do you guys adjust your engine for 3d flight? im running an os.46fx. it runs great and idles great except for the transitions. i assuming that this is not normal and we all deal with it.