The reference for locomotives and railcars
North Wales Narrow Gauge “Gowrie”
Great Britain | 1908 | only one produced
Locomotive Magazine, January 1909

In 1906 construction began on the Porthmadog, Beddgelert and South Snowdon Railway, which was to become an extension of the North Wales Narrow Gauge Railways. Although the line was to be electrified, steam locomotives were initially ordered from Hunslet. One these was the “Gowrie”, which was not delivered until after construction had been halted. It was named after the manager of the planned railway line, Gowrie Colquhoun Aicheson.

Like all of the NWNGR, the Gowrie was built in 1 foot 11 1/2 inch gauge. It is considered to be the last locomotive built for this company. Due to the very tight curves, the locomotive was built as a Single Fairlie. This meant that the three coupled axles were in a front bogie and the two trailing axles in a rear bogie

The loco was not as successful as the “Moel Tryfan” and “Snowdon Ranger” which had been combined into a single loco in 1917. The “Gowrie” was sold in 1918 and went through several owners. It was almost bought back when the Welsh Highland Railway was founded, but ultimately this did not happen. It was seen for the last time in service in 1928 and was scrapped in 1931.

Axle config0-6-4T (Single Fairlie) 
Gauge1 ft 11 1/2 in (Narrow gauge)
Dimensions and Weights
Wheelbase17 ft
Fixed wheelbase5 ft 6 in
Service weight40,320 lbs
Adhesive weight25,312 lbs
Axle load8,440 lbs
Water capacity480 us gal
Fuel capacity2,240 lbs (coal)
Power sourcesteam
Estimated power90 hp (67 kW)
Optimal speed10 mph
Starting effort5,716 lbf
Power Plant
Driver diameter28.5 in
Boiler pressure160 psi
Expansion typesimple
Cylinderstwo, 9 1/4 x 14 in
Grate area5 sq ft
Firebox area30 sq ft
Tube heating area252 sq ft
Evaporative heating area282 sq ft
Total heating area282 sq ft
Calculated Values
steam locomotive
narrow gauge
tank locomotive
single Fairlie
last changed: 04/2023

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