Sticking the various comparative times in a spread sheet shows that Agfa reduce the time by an average of 15% for Rotary processors and round up or down to the nearest minute
Originally Posted by Fintan
This gives times for Rodinal of:
Kodak Tri-X 1 + 25 6 min ISO 500/28°
1 + 50 12 min ISO 500/28°
Hope that helps, I do have a full Agfa data sheet somewhere for Rodinal which I know does have the times for a wide variety of films and includes Rotary processors. The times I've given are only rounded up by 3 & 6 secomds !