South African type MY tender
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Type MY tender on Class 24, 2009
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| Type and origin | |
|---|---|
| Locomotive | Class 24 |
| Designer |
South African Railways (Dr. M.M. Loubser) |
| Builder | North British Locomotive Company |
| In service | 1949 |
| Specifications | |
|---|---|
| Configuration | 3-axle bogies |
| Gauge | 3 ft 6 in (1,067 mm) Cape gauge |
| Length | 34 ft 3 1⁄4 in (10,446 mm) |
| Bogies | Buckeye |
| Wheel dia. | 34 in (864 mm) |
| Wheelbase | 24 ft 7 1⁄4 in (7,499 mm) |
| • Bogie | 8 ft 8 in (2,642 mm) |
| Axle load | 9 LT 10 cwt (9,652 kg) |
| • Front bogie | 28 LT 1 cwt (28,500 kg) |
| • Rear bogie | 28 LT 10 cwt (28,960 kg) |
| Weight empty | 61,500 lb (27,900 kg) |
| Weight w/o | 56 LT 11 cwt (57,460 kg) |
| Fuel type | Coal |
| Fuel cap. | 9 LT (9.1 t) |
| Water cap. | 4,520 imp gal (20,550 l) |
| Stoking | Manual |
| Couplers | Drawbar & AAR knuckle |
| Career | |
|---|---|
| Operators | South African Railways |
| Numbers | SAR 3601-3700 |
| Nicknames | Torpedo |
The South African type MY tender was a steam locomotive tender.
Type MY tenders entered service in 1949 and 1950, as tenders to the Class 24 2-8-4 Berkshire type branchline steam locomotives which entered service on the South African Railways in that year.
Type MY tenders were built in 1949 by North British Locomotive Company.
The Class 24 2-8-4 Berkshire type steam locomotive was designed by Dr. M.M. Loubser, Chief Mechanical Engineer of the South African Railways (SAR) from 1939 to 1949, to replace the old Classes 6, 7 and 8 locomotives in branchline service on light rail in South Africa and especially in South West Africa. The Type MY entered service as tenders to these locomotives.
The tender had a coal capacity of 9 long tons (9.1 tonnes), a water capacity of 4,520 imperial gallons (20,500 litres) and a maximum axle loading of 9 long tons 10 hundredweight (9,652 kilograms).
It was a tank wagon type tender, similar in appearance to the North American Vanderbilt type tender, with a cylindrical water tank which had an inside diameter of 6 feet 5 3⁄4 inches (1,975 millimetres). The tender was similar to the Type MX tender, but its wheelbase was 10 feet 1 3⁄4 inches (3,092 millimetres) shorter. Like the Type MX tender, it rode on three-axle Buckeye bogies, supplied by General Steel Castings of Eddystone, Pennsylvania, and became commonly known as a Torpedo tender. Like its engine, the tender was equipped with vacuum brakes.
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Wikipedia