Diagrams Index . Home
7 mm/ft scale
B27, B29, B30
GER 0-6-0 Y14/LNER J15 Passenger loco driving wheels.

Suits the last 40 locos built. (B29 mid axle, B30 outer axles).

GER 0-6-0 N31/LNER J14 class (B27 mid axle, B30 outer axles).

GER 0-4-4 S44/LNER G4 class (B27 driven axle, B30 rear, coupled axles.)

4′ 11″ diam., 15 oval spokes, slightly humped rim, apparent tread 5″.
Hub 14½″ face dia., 2⅛″ above the tyre, pin in line at 12″.

Source for B29 and B30: preserved loco No 564 measured direct at Weybourne in September 1994.
Source for B27: Booklet - Great Eastern Railway 0-4-4 Tank Locomotives, G. Pember. GERS (1979).

Casting: 34.4 mm tread dia., 28.6 mm i/d., hub 1.2 out from the tyre, pin at 7.0 mm.

Casting prices and stock . GER loco sets, price list

Scan of castings in a set for a GER 0-6-0 Y14/LNER J15 with prototype photographs
and for GER 0-6-0 N31/LNER J14, and GER 0-4-4T S44/LNER G4 .

Scan of casting B27  Scan of casting B29  Scan of casting B30

Cross section diagram of castings B27, B29 and B30
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.


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27 Mar 2013