Warren & Elizabeth wrote:
>
> I just received this very cool 30's BR drum brake fixed hub from Mr
> Stone. Yes, this three (four?) pound wonder has reverse threads for a
> lockring. However, when I spun on a flanged BSA cog and lock ring,
> there is a slight gap between the two, preventing the lockring from
> doing it's job.
>
> The question is, do I put a spacer/washer between the cog and lockring
> or inboard of the cog to push it out the required distance? Or will
> either method suffice?
>
I would suggest using one of the Sturmey Archer hardened steel cog spacers between the sprocket and the hub.
Placing the washer on the outside while probably fine in practice is covering two different diameters of thread.
A roadster with the ability to reverse, very cool.
Marcus Coles
London, Ontario, Canada