Diagrams Index . Home
7 mm/ft scale
SR 4-6-2 Bullied Pacific pony and tender wheels.

3′ 7″ diam., boxpok welded plate.
Hub level with the tyre.

Source: Winston Churchill measured direct at York, August 1995.

Casting: 25.1 tread dia., 21.0 i/d. Hub level with the tyre.

Casting prices and stock . SR loco sets, price list

Scans of a casting in a set for SR 4-6-2 Bullied Pacifics

Scan of casting B81

Cross section diagram of casting B81
This example shows a tyre width of 3.5 mm for Gauge 0 Fine.
For Scale7 remove more metal from the back of the wheel to give a tyre thickness of 3.2 mm instead of 3.5 mm.

Validated as HTML5

27 Mar 2013