I am currently in testing stage and have ran into problems with the following craft file. https://dl.dropboxusercontent.com/u/5116881/PoweredHingeTest.craft It seems to work perfectly fine, rotating along the right axis, just the opposite direction. Same goes for all other parts. They move/rotate in the opposite way. I am currently using a ton of mods including KW Rocketry, FAR, Interstellar, etc... I may try it with a fresh install if required.