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       #Post#: 11610--------------------------------------------------
       Wheels and hub width
       By: StefanN Date: September 26, 2024, 8:17 am
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       A question on Facebook got me thinking about the sideways
       strength of pit bike wheels and how hub width changes this.   By
       hub width I actually mean the distance between the inner and
       outer spoke holes on the hub.
       For a pit bike wheel the spokes are approximately 65mm apart and
       its about 170mm from the level of the spoke holes to the rim.
       In this configuration the radial force exerted by each spoke is
       about 98% of the force along the spoke and the lateral force is
       about 19% of the force along the spoke.  So, not much is
       supporting the rim laterally.
       If you widen the hub so the spokes are 90mm apart, the radial
       force is still at about 97% but the lateral force has increased
       to 26% (about at 38% increase)
       You get similar gains by making the flange on the hub that the
       spokes attach to taller (ie bigger diameter).
       Combined, a hub that's 25mm wider and flange that's 15mm taller
       (ie 30mm increase in diameter), increases the lateral force from
       the spoke by 50% with only a 2% reduction in radial force.
       #Post#: 11611--------------------------------------------------
       Re: Wheels and hub width
       By: Jimr1999 Date: September 26, 2024, 9:12 am
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       So, by my thinking, These 36 hole hubs would be stronger? If the
       rim could take it - we seem to have failures at the rim a lot.
       What do you think Stefan?
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