BTP wrote:Forgot to mention that I have had some issue with spoke breakages at the nipple end. The large flange married to a 26" rim creates an acute spoke angle at the rim. Rohloff recommend 2 cross lacing which I followed. However I suspect that, unless the rim has been drilled to suit the Rohloff, one is better lacing 1 cross.
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I have a theory that the method of setting the spokes and stress-relieving the wheel may make a big difference here. Brandt's method is to squeeze the spokes in the plane of the wheel; I think this may (whether you squeeze in either direction with 'kinked nipples') leave the spoke set in the nipple such that it can flex slightly within/near the nipple and thus promote fatigue failure in service.
It turns out that (quite by accident, to start with....) I have built many, many wheels in which I have stress-relieved the spokes by squeezing them at 90 degrees to the plane of the wheel. This may well leave the spoke set rather better at the nipple in wheels with 'kinked nipples'; certainly spoke failures in such wheels appear to be 'very uncommon indeed'.
Has anyone observed any variation in such spoke breakage, varying with stress relief technique?