#1
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cross spokes?
Friend is building a rear wheel. Has a rim with a flat base, and the spoke
holes are offset left/right like normal. He's wondering if it's worth crossing the spokes a the rim end (ie LH hub - RH rim) in order to give a larger bracing angle. What thinks? cheers, clive |
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#2
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cross spokes?
Clive George wrote:
Friend is building a rear wheel. Has a rim with a flat base, and the spoke holes are offset left/right like normal. He's wondering if it's worth crossing the spokes a the rim end (ie LH hub - RH rim) in order to give a larger bracing angle. What thinks? If the wheels are of normal spoke count , and the spoke holes are not canted at all, it might be a good idea. The main concern arises from having the spoke change angle where it enters the nipple, due to the nipple being constrained in the opposite orientation. A 26" or 700c wheel laced to a hub with flange spacing of less than about 70mm won't have extreme spoke angles in any case. Chalo |
#3
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cross spokes?
Clive George wrote:
Friend is building a rear wheel. Has a rim with a flat base, and the spoke holes are offset left/right like normal. He's wondering if it's worth crossing the spokes a the rim end (ie LH hub - RH rim) in order to give a larger bracing angle. What thinks? cheers, clive while good in theory, it's almost impossible to execute in practice as all but the cheapest crappiest rims are drilled for conventional spoke exit angles. the best you'll find in practice is something like the shimano r540 wheel, but that's not a diy project. |
#4
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cross spokes?
Clive George wrote:
Friend is building a rear wheel. Has a rim with a flat base, and the spoke holes are offset left/right like normal. He's wondering if it's worth crossing the spokes a the rim end (ie LH hub - RH rim) in order to give a larger bracing angle. Don't do it... I don't know of any rim that is completely flat at the base, and the eyelets are offset so that the spokes will not need to bend as much at the rim. I also think the Shimano wheels indicated that it really didn't help anyway... maybe the angle to the centroid of the rim is what really matters here. It would be helpful to mention the rim and hub involved... |
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