The Story in a Railway Locomotive

Loaded Weights

On driving wheels 475,000 lbs.

On truck wheels 30,000 lbs.

On trailing wheels 35,000 lbs.

Total of engine 540,000 lbs.

Total of tender 212,000 lbs.

Wheel Base

Driving, rigid 15 ft. 6 ins.

Total of engine 57 ft. 4 ins.

Total of engine and tender 91 ft. 5³⁄₁₆ ins.

Cylinders

Diameter H.P. 28 ins.,
L. P. 44 ins.

Stroke of piston 32 ins.

Wheels

Diameter of driving wheels, outside 56 ins.

Diameter of truck wheels 30 ins.

Diameter of trailing wheels 30 ins.

Diameter of tender wheels 33 ins.

CYLINDERS BIG ENOUGH FOR MEN TO SIT DOWN IN

Boiler

Type Ex. Wagon Top

Working pres. per sq. in. 200 lbs.

Outside diam. at front end 100 ins.

Outside diam. at back end 112 ins.

Length firebox inside 173¹⁄₁₆ ins.

Length firebox, actual, inside 132 ins.

Width of firebox inside 108¹⁄₄ ins.

No. and diam. of tubes 334, 2¹⁄₄ ins.

No. and diam. of flues 48, 5¹⁄₂ ins.

Length of tubes 24 ft. 0 ins.

Combust. chamber length 39¹⁄₁₆ ins.

Grate area 99.2 sq. ft.

Heating Surface

Tubes and flues 6462 sq. ft.

Water tubes 67 sq. ft.

Firebox 380 sq. ft.

Total 6909 sq. ft.

Superheating surface 1311 sq. ft.

Clearance Limitations

Extreme height 16 ft. 5¹⁄₈ ins.

Extreme width 11 ft. 8¹⁄₂ ins.

Length over all 99 ft. 9⁵⁄₈ ins.

Maximum Tractive Power

Working compound 115,000 lbs.

Working simple 138,000 lbs.

Factor of adhesion (working compound) 4.13

Factor of adhesion (working simple) 3.44

Tender Capacity

Water 12,000 gals.

Fuel 16 tons

THE LOCOMOTIVE ENGINEER’S WORKROOM

A MACHINE WHICH DOES THE WORK OF FOUR FIREMEN

HOW A FAST TRAIN TAKES WATER WITHOUT STOPPING