Sentetsu Amei-class locomotives

Specifications
Configuration:;
• Whyte	4-4-0
Gauge	1,435 mm (4 ft 8 1⁄2 in)
Driver dia.	1,830 mm (72 in)
Length	17,793 mm (700.5 in)
Width	3,023 mm (119.0 in)
Height	4,228 mm (166.5 in)
Loco weight	53.84 t (52.99 long tons; 59.35 short tons)
Tender weight	44.58 t (43.88 long tons; 49.14 short tons)
Fuel type	Coal
Fuel capacity	7.2 t (7.1 long tons; 7.9 short tons)
Water cap	14.5 m3 (510 cu ft)
Firebox:; • Firegrate area	2.34 m2 (25.2 sq ft)
Boiler:;
• Small tubes	214 x 51 mm (2.0 in)
Boiler pressure	12.6 kgf/cm2 (179 psi)
Heating surface	130.8 m2 (1,408 sq ft)
• Tubes	118.8 m2 (1,279 sq ft)
• Firebox	12.0 m2 (129 sq ft)
Cylinders	2
Cylinder size	450 mm × 660 mm (18 in × 26 in)
Valve gear	Walschaerts

Type and origin
Power type	Steam
Builder	ALCo
Build date	1911
Total produced	6

Chosen Government Railway Amei class (アメイ); Korean National Railroad Ame1 class (아메1)
	An Amei-class locomotive of Sentetsu.
Type and origin
Power type	Steam
Builder	ALCo
Build date	1911
Total produced	6
Specifications
Configuration:;
• Whyte	4-4-0
Gauge	1,435 mm (4 ft 8 1⁄2 in)
Driver dia.	1,830 mm (72 in)
Length	17,793 mm (700.5 in)
Width	3,023 mm (119.0 in)
Height	4,228 mm (166.5 in)
Loco weight	53.84 t (52.99 long tons; 59.35 short tons)
Tender weight	44.58 t (43.88 long tons; 49.14 short tons)
Fuel type	Coal
Fuel capacity	7.2 t (7.1 long tons; 7.9 short tons)
Water cap	14.5 m3 (510 cu ft)
Firebox:; • Firegrate area	2.34 m2 (25.2 sq ft)
Boiler:;
• Small tubes	214 x 51 mm (2.0 in)
Boiler pressure	12.6 kgf/cm2 (179 psi)
Heating surface	130.8 m2 (1,408 sq ft)
• Tubes	118.8 m2 (1,279 sq ft)
• Firebox	12.0 m2 (129 sq ft)
Cylinders	2
Cylinder size	450 mm × 660 mm (18 in × 26 in)
Valve gear	Walschaerts
Performance figures
Maximum speed	95 km/h (59 mph)
Tractive effort	79.0 kN (17,800 lbf)
Career
Operators	Chosen Government Railway; Korean National Railroad
Class	Sentetsu: アメイ; KNR: 아메1
Number in class	6
Numbers	Sentetsu: アメイ1 – アメイ6 (1938-1945); KNR: 아메1-1 – 아메1-6

The Amei class (アメイ) was a class of steam tender locomotives of the Chosen Government Railway (Sentetsu) with 4-4-0 wheel arrangement.[1] The "Ame" name came from the American naming system for steam locomotives, under which locomotives with 4-4-0 wheel arrangement were called "American".[2]

Description

Sentetsu introduced the Amei class locomotives in 1911, receiving six from ALCo of the United States. They were fitted with 1,830 mm (72 in) diameter driving wheels, which was a considerable size for the time, giving them a high operational speeds of 95 km/h (59 mph).[1] Unlike the Tehoi class locomotives, the Amei class were equipped with a four-axle tender. They were found to offer no advantage over the Teho types or Sorii class, and no further 4-4-0 locomotives were ever ordered by Sentetsu.

Sentetsu put them into service on the "Ryūki" express,[1] Korea's first express train, operating between Sinuiju and Busan via Gyeongseong,[3] along the Gyeongui Line between Sinuiju and Gyeongseong. Their original numbers are unknown, but they were numbered 401 through 406 in 1918, and then became アメイ1 through アメイ6 numbers in Sentetsu's general renumbering of 1938.

Postwar: Korean National Railroad 아메1 (Ame1) class

After the Liberation of Korea, all six Amei-class locomotives remained in South Korea, where they were designated 아메1 class by the Korean National Railroad.[4]

Construction

Sentetsu running number
1911–1918	1918–1938	1938–1945	KNR Number	Builder	Year	Notes
?	アメ401	アメイ1	아메1-1	ALCo	1911
?	アメ402	アメイ2	아메1-2	ALCo	1911
?	アメ403	アメイ3	아메1-3	ALCo	1911
?	アメ404	アメイ4	아메1-4	ALCo	1911
?	アメ405	アメイ5	아메1-5	ALCo	1911
?	アメ406	アメイ6	아메1-6	ALCo	1911

References

Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.
Colvin, Fred H. (1906). The railroad pocket-book: a quick reference cyclopedia of railroad information. New York, Derry-Collard; London, Locomotive Publishing Company (US-UK co-edition). p. L‑9.
Japanese Government Railways (1937), 鉄道停車場一覧. 昭和12年10月1日現在(The List of the Stations as of 1 October 1937), Kawaguchi Printing Company, Tokyo, pp. 483-485
"North and South Korea Steam Locomotives". 20 April 2004. Archived from the original on 20 April 2004.CS1 maint: BOT: original-url status unknown (link)

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[100yrs-1] Byeon, Seong-u (1999). 한국철도차량 100년사 [Korean Railways Rolling Stock Centennial] (in Korean). Seoul: Korea Rolling Stock Technical Corp.

[railroad_pocket-book-2] Colvin, Fred H. (1906). The railroad pocket-book: a quick reference cyclopedia of railroad information. New York, Derry-Collard; London, Locomotive Publishing Company (US-UK co-edition). p. L‑9.

[Stations-3] Japanese Government Railways (1937), 鉄道停車場一覧. 昭和12年10月1日現在(The List of the Stations as of 1 October 1937), Kawaguchi Printing Company, Tokyo, pp. 483-485

[4] "North and South Korea Steam Locomotives". 20 April 2004. Archived from the original on 20 April 2004.CS1 maint: BOT: original-url status unknown (link)