Thanks for your concern.
We discussed that when we were building it and decided to go this way. One thing I did do after these pictures were taken was to put a caster on the main beam that runs front to back. That made a world of difference.
I can say this. My Demon has been hanging on this now for almost 2 years and there's no sign of fatigue. It goes up & down smoothly and 1 person can spin the car by themselves.
Ted