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3D printed in white nylon plastic with a matte finish and slight grainy feel.
Ceylon(Sri Lanka) Railways M1 diesel loco
In the 1950s Sri Lankan railway was seeking replacements for old rolling stock, routine replacement of which had been delayed by World War II. Specifications were for 25 locomotives with 750 hp (559 kW) power at the wheel, available from 12 mph (19 km/h) upwards, and up to an altitude of 6,200 ft (1,900 m).
The train was expected to be used for suburban trains centered on Colombo, as well as mail trains in the north of the country, and trains in hill areas: approximately requirements were for a vehicle capable of pulling 550 long tons (560 t; 620 short tons) at 18 mph (29 km/h) on a gradient of 1 in 44 (2.27%) on track with 5-chain (330 ft; 101 m) reverse curves; preferably within a 80 long tons (81 t; 90 short tons) locomotive weight on 6 axles (A1A-A1A).
Brush offered a locomotive with 1,000 hp (746 kW) power, and a generator output of 625 hp (466 kW), capable of multiple working, and was awarded the contract.
Five locomotives were supplied (deliveries beginning Jan. 1953) for operational testing – Brush had not been able to fully stress test the units in England due to an absence of a full scale 5 ft 6 in (1,676 mm) test track.
The remaining twenty locomotives, with modifications required to resolve the issues found during testing were delivered from May 1954, at a rate of approximately 1 per month