Calculated Positions Drift Backward

[DefiantZombie]

Hey all,

I'm trying to calculate the center of thrust for a vessel in the flight scene. My current methods seem fine until the vessel is in motion on the ground. When moving the position appears to drift backward in relation to the vessel orientation.

I've tried using thrust queries, and averaging the ThrustTransform positions. Both methods have the drift. I've looked at FloatingOrigin, but the offsets I get from it don't make sense to correct the drift.

What am I missing?