Correct, both are from a recently opened attraction on the west coast.
I was looking at the sketch again and noticed something of interest. It appears that there is a wavy line near the top of the counterweight. This would usually indicate liquid level. So, and I know this is a stretch. If the counterweight uses liquid to balance the weight of the RV and the weight of the RV changes with occupancy. It is possible that the RV is weighed at the loading station and the volume of liquid is adjusted to properly counter balance said RV. This would greatly cut down on the amount of force needed to lift/lower the RV. And as an added bonus the vertical movement would be smoother than without a dynamic system.