I have been trying to launch plains in to orbit with out cheating the game. My Kerbals in there aircraft don't seem to have the best bang for there buck I can get up to 20,000 to 25,000 loose all balls no power loss too heavy of a craft or not enough fuel/oxidizer, power to weight ratio is great in one instance and the orbital rockets wont do the job, not enough power in another case, am I missing something I cant seem to launch a X-plain since 1.0? and I am not using any mods at all.