Originally Posted by keystiger
As far as your shaft drive concern, if you dig deeper you may find a number of DNF's due to the shaft failing. When that happens your DONE. if the chain breaks it is possible to carry a spare and replace it rather quickly. I would certainly prefer a chain drive over shaft any day.
Keep digging for the chain failures, which often turn the engine case into a room with a view.
I'm a chain fan too. But they have their own problems on the rally.