LNWR 2-2-2 Problem class driving wheels.
Locos with long, narrow weights as in the rebuilds of 1876.

7′ 9″ diam,, 22 rectangular spokes, rectangular inner rim.
Hub 16½″ face dia., 1¾″ out from the tyre, pin in line at 12″.

Casting: 77.5 mm tread dia., 70.6 i/d., hub 1.5 mm out from the tyre, pin at 10.0 mm.

Casting prices and stock . LNWR loco sets, price list

Scan of a casting in a set for a LNWR 2-2-2 Problem class