Diagrams Index . Home
7 mm/ft scale
B382, B383
Highland Railway 4-4-0 Loch class driving wheels

6′ 3½″ diam., 19 rectangular spokes, apparent tread 4¾″.
Hub 17½″ face dia., 1¾″ out from the tyre. Pin at 12″

Source: Works drawing in Tatlow, A History of Highland Locomotives, part 1, fig. 32.

Casting: 44.0 tread dia., 38.5 i/d., hub 1.0 mm out from the tyre, pin at 7.0 mm.

Casting prices and stock . HR loco sets, price list

Scan of castings in a set for a HR 4-4-0 Loch.

Scan of casting B382   Scan of casting B383

Cross section diagram of castings B382,383
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