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<p>[QUOTE=&quot;springfld.arsenal, post: 365242, member: 54&quot;]. </p><p><br /></p><p>Other odd thing about the hub is the small square hole.&nbsp; The originals I’ve seen (not that many) have larger round holes with a keyway to ensure the shaft they’re attached to doesn’t slip in rotation.&nbsp; The round shaft is also easier to thread so a large nut can hold the wheel in place.&nbsp; To thread a nut on that square shaft, the shaft has to be lathe-turned down to the diameter of the flats of the shaft.&nbsp; I’m sure this arrangement wouldn’t be strong enough to keep the shaft and nut from being damaged when the helmsman gives it a left hard-rudder spin.&nbsp; Repro.[/QUOTE]</p><p><br /></p>

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