Indeed. At least until recently F1 rod bolts were done in classic Whitworth
threading because the thread profile was less of a stress riser than English, American or metric. If you want to learn about various threadings,
rebuild an early '70s BSA. Kurt Sperry Bellingham WA
On 6/29/05, StuartMX4@aol.com <StuartMX4@aol.com> wrote:
>
> Like some old bicycles, they are arguably better
> in some respects. Change is not the same as progress.
> --
> fineartscrimshaw.com http://fineartscrimshaw.com