Diagrams Index . Home
7 mm/ft scale
B489, 490
NE 0-4-4T, Fletcher 'BTP' class/ LNER G6 class driving wheels.

5′ 3″ diam., 16 rect spokes, apparent tread 4″.
Hub 15″ face dia., 1″ out from the tyre (estimated), pin between at 11″.

Source: for the wheel balance weight outline - Locomotives of the LNER part 7, figs 180-183.

Casting: 36.8 mm tread dia., 32.6 i/d., hub 0.6 mm out from the tyre.

Casting prices and stock . NE loco sets, price list

Scan of a casting in a set for a NE 0-4-4T BTP/LNER G6 class.

Scan of casting B489 Scan of casting B490

Cross section diagram of casting B489
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