I've been seeking to increase the stopping power of a set of Weinmann centrepulls, and after trying the usual tricks (cleaned and trued rims, new pads and cables etc.) I'm still not satisfied. I seem to recall someone on here talking about modifying centrepull brakes so that the straddle cable is adjustable, like the one on a cantilever brake. Presumeably, this then allows the mechanical advantage of the brake to be adjusted as with a cantilever brake. Does anyone have any more information on this mod, and does it seem like it would help in my situation?

Thanks in advance

Here is a Sheldon Brown link on topic https://sheldonbrown.com/cantilever-g...tml#mechanical

there have been bracer plates, made for center pulls too.. ,
reduce pivot bolt spread.
the screw fitting cable end, will let you experiment,
with length of cable changes..