Has anyone spent the time to figure out the exact lifting/moving power of our various propulsion systems? That is, how much weight can a single Wheel, Buggy Wheel, Mobile Base Wheel, Hover Pad, Air Blade and Large Air Blade actually move/lift?

It might be worthwhile to note the "Maximum Load" on these blocks either in their stats or in their descriptions. I know I've exceeded them more than a few times trying to build different things, but haven't figured out what the cutoff is yet.