Hi Charles,

'LBSC's Kingette and Purley Grange; Martin Evans's Nigel Minor and the
Society sets the wheel back to back at 2 9/32" with a 3/8" for the
wheel boss, so I'm guessing most clubs will have adhered to that spec
especially asthe Kingette design came out in 1933.

Regards
Simon

--- In halfinchlivesteamforum@..., "charles"
<mortimer@...> wrote:
>
> what clerance is comonaly alowed ,,for wheel flange to rail clerance
> in 2.5 gauge due to the fact there is so many club tracks thanks
> charles
>