Canadian National Class U-1-f

Specifications
Specifications
Configuration:;
• Whyte	4-8-2
• UIC	2′D1′h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	34 in (0.864 m)
Driver dia.	73 in (1.854 m)
Trailing dia.	43 in (1.092 m)
Wheelbase	Coupled: 19 ft 0 in (5.79 m); Loco: 42 ft 2 in (12.85 m); Loco & tender: 80 ft 10+3⁄4 in (24.66 m);
Length	90 ft 0+1⁄8 in (27.44 m)
Width	10 ft 9 in (3.28 m)
Height	15 ft 4+1⁄2 in (4.69 m)
Adhesive weight	236,950 lb (107.48 t)
Loco weight	355,700 lb (161.3 t)
Tender weight	281,840 lb (127.84 t)
Fuel type	Originally coal, later oil
Tender cap.	Coal: 18 tons coal, 11,700 imp gal (53,000 L) water; Oil: 5,000 imp gal (23,000 L) oil, 11,000 imp gal (50,000 L) water;
Firebox:
• Grate area	70.2 sq ft (6.52 m2)
Boiler pressure	260 lbf/in2 (1.79 MPa)
Heating surface:
• Firebox	386 square feet (35.9 m2)
• Tubes and flues	3,198 sq ft (297.1 m2)
• Total surface	3,584 sq ft (333.0 m2)
Superheater:;
• Type	Schmidt type E
• Heating area	1,570 sq ft (146 m2)
Cylinders	Two, outside
Cylinder size	24 in × 30 in (610 mm × 762 mm)
Valve gear	Walschaerts
Train heating	Steam heat

Type and origin
Type and origin
Power type	Steam
Builder	Montreal Locomotive Works
Order number	Q-401
Serial number	72757–72776
Build date	October 1944 to January 1945
Total produced	20

Canadian National U-1-f
Canadian National U-1-f
	CN 6077, on display in Capreol, Ontario
Power type
Type and origin
Power type	Steam
Builder	Montreal Locomotive Works
Order number	Q-401
Serial number	72757–72776
Build date	October 1944 to January 1945
Total produced	20
Configuration:;
Specifications
Configuration:;
• Whyte	4-8-2
• UIC	2′D1′h2
Gauge	4 ft 8+1⁄2 in (1,435 mm)
Leading dia.	34 in (0.864 m)
Driver dia.	73 in (1.854 m)
Trailing dia.	43 in (1.092 m)
Wheelbase	Coupled: 19 ft 0 in (5.79 m); Loco: 42 ft 2 in (12.85 m); Loco & tender: 80 ft 10+3⁄4 in (24.66 m);
Length	90 ft 0+1⁄8 in (27.44 m)
Width	10 ft 9 in (3.28 m)
Height	15 ft 4+1⁄2 in (4.69 m)
Adhesive weight	236,950 lb (107.48 t)
Loco weight	355,700 lb (161.3 t)
Tender weight	281,840 lb (127.84 t)
Fuel type	Originally coal, later oil
Tender cap.	Coal: 18 tons coal, 11,700 imp gal (53,000 L) water; Oil: 5,000 imp gal (23,000 L) oil, 11,000 imp gal (50,000 L) water;
Firebox:
• Grate area	70.2 sq ft (6.52 m2)
Boiler pressure	260 lbf/in2 (1.79 MPa)
Heating surface:
• Firebox	386 square feet (35.9 m2)
• Tubes and flues	3,198 sq ft (297.1 m2)
• Total surface	3,584 sq ft (333.0 m2)
Superheater:;
• Type	Schmidt type E
• Heating area	1,570 sq ft (146 m2)
Cylinders	Two, outside
Cylinder size	24 in × 30 in (610 mm × 762 mm)
Valve gear	Walschaerts
Train heating	Steam heat
Tractive effort
Performance figures
Tractive effort	52% (52,315 lbf or 232.7 kN)
Factor of adh.	4.5
Operators
Career
Operators	Canadian National Railways
Class	U-1-f
Numbers	6060–6079
Nicknames	Bullet Nose Betty
Retired	1960
Preserved	Three: 6060, 6069, 6077
Disposition	Three preserved, remainder scrapped

Canadian National Railways U-1-f class locomotives were a class of twenty 4-8-2 or Mountain type locomotives built by Montreal Locomotive Works in 1944. They were numbered 6060–6079 by CN and nicknamed "Bullet Nose Bettys" due to their distinctive cone-shape smokebox door cover.