Thanks Geoff, however your reference brings up the same drawings as I found on the Australian RR site, so I'm no wiser. Further head scratching suggests that the RR callipers might have had an extra lug on the bottom, not present on the 410, perhaps it was attached to that?
However I think that light is finally beginning to dawn. It appears, although none of the books spell it out, that the handbrake cables on the 410 were intended to to be set up to hold the imbalanced calliper(s) off the disc(s) with the handbrake in the off position. I paraphrase the handbook. "In the 'unlikely' event of the handbrake cables stretching (due, perhaps, to desperate attempts to get far too hard pads to bite hard enough to pass the MOT) dive under the carpet under the transmission tunnel and adjust to take up any slack in the cables". What the handbook fails to spell out is the consequence of this 'unlikely' event.
Perhaps thiat will do the trick, I'm not all that confident as there is only one adjuster in front of a balance bar, but it might work if both cables are the same length and there is little friction anywhere, but I will report back, eventually.
Peter, perhaps you might like to try checking touch, balance and adjustment as above, if the 411's handbrake set up is similar
Roger
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