@tallakt, Thank you for this rope drive system which takes account of reel-out/in phases, if I understand correctly, and following the discussion about having heavy parts at ground if I remember correctly.
That said, Garrett provides a suitable advice by writing:
In the same time this is indirectly an indication in favor to the efficiency of reeling (yo-yo) systems (working with winches) compared to pulley systems described on What is possible with Payne's patent US3987987 figure 5?.
On reflection, it seems that Garrett has found the right system for a Magnus balloon in reeling mode, with variations in cable length. However: