I know that tht all the ones(including the one being built at magic springs) except for G Force, are pulled up a vertical lift. They enter the first inversion at the top of the lift, go down a small hill, go through the next inversion, and go through the rest of the course. The stop by going up the lift again, and dropping back to the station.
that site will answer all your questions, check out the video, it is a sales pitch, but they do some neat things. The X-Coaster is under Xtended Rollercoaster. Describes the Car(s), tracks and other stuff.
Favorite Wood Coasters: The Voyage, Ravine Flyer II, Thunderhead, Balder Favorite Steel: Voltron Nevera, Steel Vengeance, Expedition GeForce, Olympia Looping Parks visited: 232, Coasters Ridden: Steel: 894, Wood: 179, Total: 1073
To me they're spectacular , They're pretty cool and mostly simlpe. It would be cool for us to have one but with 3 inversions up top not 2, and as youre spinning on those inversions, the x cars spin too, maure sohne offers spinng x cars... So you can be spinning as youre spinning