Interesting thread, thanks for Regis, foilholio and Kiter_from_Germany. Like KfG wrote, modern kites are designed for 1:1/2:1/4 speedsystem, only in biggest sizes more efficient systems may be needed or are possible.
Regis's Malabar is reasonable invention. Too bad if it does not relaunch. It could have been too efficient anyway.
KfG's "conventional B" looks good too and has original idea. It may be too efficient, but adding a pulley to get 1:3 instead of 1:2 to B-C, would help. Then pulling ratios would be: 4/3:2/3:1/3, for Z:C:B, if I calculated correctly (modified to normal system with fixed A).
Looks good, a bit more AoA change than normal system allows. Drawback is additional pulley. Original camber change is controlled and stays the same. This deserves testing, foilholio?
Number10 is foilholios idea in which B-C adjust automatically. I don't know if it is a good idea, because change of camber is not controlled like it normally is. If I see it correctly, added orange pulleyline should be doubled on B side, not C? But I'm not sure of that...