I am curious if a rotorcraft could be suspended from rotorhead for an extended period of time.
I am curious about R22 and R44. I believe I have seen them in the shop lifted up from the 2 holes in the rotor head.
I am also curious if all helicopters have mount/lift points in the rotor head like an MD500C. Would you be able to do the same?
Or are you better lifting from the skids for a longer term lifting?