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Milwaukee Road class A
Power type: Steam
Builder: American Locomotive Company
Serial number: 68684, 68685, 68729, 68828
Builder Date: May 1935 (2), May 1936, April 1937
Total production: 4
Configuration: 4-4-2
UIC classification: 2′B1′ h2
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Driver diameter: 84 in (2,134 mm)
Length: 88 ft 8 in (27.03 m)
Weight on drivers: 144,500 lb (65.5 tonnes)
Locomotive and tender combined weight: 537,000 lb (243.6 tonnes)
Fuel type: Oil
Fuel capacity: 4,000 US gal (15,000 l; 3,300 imp gal)
Water capacity: 13,000 US gal (49,000 l; 11,000 imp gal)
Boiler pressure: 300 lbf/in² (2.07 MPa)
Heating surface: Firebox 69 sq ft (6.4 m2)
Heating surface: Total 3,245 sq ft (301.5 m2)
Superheater area: 1,029 sq ft (95.6 m2)
Cylinders: Two
Cylinder size: 19 × 28 in (483 × 711 mm)
Tractive effort: 30,685 lbf (136.49 kN)
LNER Class A4 (4468 Mallard)
Power type: Steam
Designer: Sir Nigel Gresley
Builder: LNER Doncaster Works
Serial number: 1870
Build date: 3 March 1938
Configuration: 4-6-2
UIC classification: 2'C1'h3
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Leading: wheel diameter 3 ft 2 in (0.965 m)
Driver diameter: 6 ft 8 in (2.032 m)
Trailing wheel diameter: 3 ft 8 in (1.118 m)
Length: 70 ft (21.34 m)
Locomotive weight: 102.95 long tons (104.6 t)
Locomotive and tender combined weight: 165 long tons (167.6 t)
Boiler pressure: 250 psi (1.72 MPa)
Cylinders: Three
Cylinder size: 18.5 × 26 in (470 × 660 mm)
Top speed: 126 mph (203 km/h) (529.4 rpm)
Tractive effort: 35,455 lbf (157.7 kN)
Locomotive brakes: Steam
Train brakes: Vacuum
Now, what I'm wondering is......could Milwaukee Road's Hiawatha's have beaten LNER's A-4's and their 126 mph (203 km/h) record, seeing that they regurlarly ran at 100 mph+ in service?
Power type: Steam
Builder: American Locomotive Company
Serial number: 68684, 68685, 68729, 68828
Builder Date: May 1935 (2), May 1936, April 1937
Total production: 4
Configuration: 4-4-2
UIC classification: 2′B1′ h2
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Driver diameter: 84 in (2,134 mm)
Length: 88 ft 8 in (27.03 m)
Weight on drivers: 144,500 lb (65.5 tonnes)
Locomotive and tender combined weight: 537,000 lb (243.6 tonnes)
Fuel type: Oil
Fuel capacity: 4,000 US gal (15,000 l; 3,300 imp gal)
Water capacity: 13,000 US gal (49,000 l; 11,000 imp gal)
Boiler pressure: 300 lbf/in² (2.07 MPa)
Heating surface: Firebox 69 sq ft (6.4 m2)
Heating surface: Total 3,245 sq ft (301.5 m2)
Superheater area: 1,029 sq ft (95.6 m2)
Cylinders: Two
Cylinder size: 19 × 28 in (483 × 711 mm)
Tractive effort: 30,685 lbf (136.49 kN)
LNER Class A4 (4468 Mallard)
Power type: Steam
Designer: Sir Nigel Gresley
Builder: LNER Doncaster Works
Serial number: 1870
Build date: 3 March 1938
Configuration: 4-6-2
UIC classification: 2'C1'h3
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Leading: wheel diameter 3 ft 2 in (0.965 m)
Driver diameter: 6 ft 8 in (2.032 m)
Trailing wheel diameter: 3 ft 8 in (1.118 m)
Length: 70 ft (21.34 m)
Locomotive weight: 102.95 long tons (104.6 t)
Locomotive and tender combined weight: 165 long tons (167.6 t)
Boiler pressure: 250 psi (1.72 MPa)
Cylinders: Three
Cylinder size: 18.5 × 26 in (470 × 660 mm)
Top speed: 126 mph (203 km/h) (529.4 rpm)
Tractive effort: 35,455 lbf (157.7 kN)
Locomotive brakes: Steam
Train brakes: Vacuum
Now, what I'm wondering is......could Milwaukee Road's Hiawatha's have beaten LNER's A-4's and their 126 mph (203 km/h) record, seeing that they regurlarly ran at 100 mph+ in service?