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Mr. J. Ramsbottom

1858 — DX Goods
1863 — 4ft Shunter
1870 — Special Tank

Mr. F.W. Webb

1873 — 17in Coal Engine
1880 — 18in Goods
1881 — Special DX
1881 — Coal Tanks
1893 — ‘A’ class
1894 — Crane Tank
1896 — Dock Tank
1901 — ‘B’ class
1903 — 1400 Class

Mr. G. Whale

1904 — ‘C’ class
1904 — ‘E’ class
1906 — ‘D’ class
1906 — ‘F’ class
1906 — ‘G’ class
1912 — ‘G1’ class
1906 — 19in Express Goods

Mr. C.J. Bowen Cooke

1911 — 1185 class

Capt. H.P.M. Beames

1923 — 380 class

Ex GCR

1919 — ‘MM’ class
 

‘G’ Class

Vital Statistics

 
Official Name ‘G’ class
Nickname ‘Piano-front ‘G’
Water & Coal Storage Tender
Water Capacity 3000 gallon
Coal Capacity 5 tons
Wheel Arrangement 0-8-0
Driven Wheels Eight 4ft 5½in wheels
3rd pair flangeless
Carrying Wheels none
Wheelbase 5ft 9in + 5ft 9in + 5ft 9in
Boiler 5ft 2in diameter; 14ft 6in long
Boiler Pressure ‘G’ — 160 psi
‘G1’ — 160 psi superheated
‘G2’ & ‘G2a’ — 175 psi superheated
Grate Area 23.6 sq.ft.
Tubes 276
Total Heating Area 2,043.25 sq.ft.
Cylinders Two inside 20½in diameter; 24in stroke
Weight 56 tons 6 cwt
Designer Mr. G Whale
Number in Class ‘G’
Lifetime 1906—present

These were rebuilt from ‘B’ class Explain '‘B’ Class 0-8-0 Locomotive class' 0-8-0’s with only the outside cylinders removed, the original low-pressure cylinders being retained and the pressure reduced to 160 psi Explain 'PSI (Pounds per Square Inch)' to keep tractive effort approximately the same. The bulky front covers were retained, so enginemen called them the ‘Piano-front ‘G’s’. Sanding Explain 'Sanding' was added to the second drivers, but the boxes were smaller. Webb or Whale tenders could be fitted.

Thirty-two had been converted by 1917 but the superheated Explain 'Super Heated Steam' versions were found to be clearly superior so later ‘B’s were converted direct to ‘G1’ class Explain '‘G1’ 0-8-0 Locomotive Class'.

View the Genealogy of the 0-8-0 Design.

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