11. A 44040.404,00440•0.10,00.6104/0404111401 401110011.111•10.41601601160MMIM,410*~~4slwoomoworwswows.. 0 Sparks SMOOTHER, SURER and SWIFTER The ease and dispatch with which trains have been handled by electric power since The Mil- from waukee Road pioneered in its use, demonstrates that it is more reliable, more expeditious and more fie MILWAUKEE ROAD economical than steam in the movement of traffic in mountain districts. As the locomotive on ex- hibition is a passenger locomotive, the comments Electrification Exhibit The Olympian in the Cascades in this leaflet are for the most part confined to Ei-Polar Type Locomotive OVER THE ROCKIES TO THE SEA application of electric power to The Olympian, although its advantages are equally applicable to "WHITE COAL" BY THE POWER OF "WHITE COAL" freight traffic. The source of this compelling current is in the mountain rivers, some of them as far distant as The Olympian is started, operated, and brought to The Chicago, Milwaukee, St. Paul and Pacific 200 miles from the rails over which you ride. a stop, both up and down mountain grades, with Railroad today owns and operates America's These rivers are fed full with the waters of lakes a precision and nicety that only the mobility of Longest Electrified Railroad. and springs and with the melting snows of moun- electric power and the great size and capacity of tains that reach their summits into altitudes of Stretching for 656 miles, over four of America's the electric motor can supply. greatest mountain ranges, it represents nine times almost perpetual winter. There the rivers leap as much electrification as all other transcontinental How electric power and the electric locomotive and plunge down rocky cataracts, their maddened lines combined and its first stretch-440 miles from have revolutionized passenger service is evident to waters momentarily impounded and the full head Harlowton, Mont., to Avery, Idaho—constitutes every traveler. Where previously an otherwise of their imprisoned force is turned against the the longest continuous electrified ride in the world. faultless journey was marred by smoke and cinders giant wheels of dynamos that generate electric from the steam locomotive laboring up mountain power. From all parts of the world, men who have spent grades or steaming through mountain tunnels, by a lifetime in the study of transportation, have come This current, generated at plants of several water- A the jerking and jarring incident to starting and to these very mountain barriers to see for them- power companies, is carried along high-tension the application and release of the air-brake on selves how great a thing man has accomplished. wires to twenty-two sub-stations on the main line CENTURY steep gradients and sharp curves, the electric loco- of The Milwaukee Road throughout the Belt, the of You view here today, at A Century of Progress motive now picks up its load and The Olympian Rocky, the Bitter Root and the Cascade ranges. Exhibit, an integral part of this triumph of science. moves immaculately over the rails with scarce a PROGRESS This giant locomotive, known as the Bi-polar Gear- perceptible motion. Gliding is the word that best As it comes down to the sub-stations at 100,000 less type, is one of several used in hauling "The describes its even speed. As it is brought to a volts a. c. it is far in excess of any normal require- Olympian," America's Queen of Transcontinental stop, the thousand ton train is eased down to a ments, and too strong for direct application. So, Chicago Trains, across the Cascade mountains. Other types, standstill by the even application of the current, through the medium of oil switches, it is reduced May 27 - Nov. 1, 1933 mainly the Quill type, are used in the zone em- and in starting again, the passenger is often sur- to 3,000 volts d. c. It passes out on feeder wires bracing the Belt, Rocky and Bitter Root moun- prised to find himself under way, so smooth is to the trolley suspended from poles along the track. tains, and in freight service in the Cascades. the application of power. From this trolley the power is taken down to the OOH-5-24-33 THE GlitiTHORP- WARREN PRINTING COMPANY, 210 WEST JACKSON, CHICAGO 410440.0000.00010000404460110014400400040.04404.04401 1 [ 2 ] [ 3 ] [ 4 ] 0.40,00.60411.016,1010ratiloo.0110000,04W•014.441.004. driving wheels of the locomotive through that claw- plete absence of smoke, soot and cinders; tunnels First! Again and Again— like arrangement, called the pantograph, that you REGENERATIVE BRAKING through the mountains are clean and fumeless. In see on top of the locomotive exhibited here. In the summer, open observation cars are an enjoy- THE MILWAUKEE ROAD transit it passes through various control devices A very important feature of this locomotive is able part of The Olympian's regular equipment. First and only road to operate over its own before it reaches the motor itself. When intro- the so-called regenerative braking whereby energy The combination of these cars and electrical opera- rails all the way from Chicago to the North duced into the motor, the motor shaft is caused to tion makes it possible for the passengers to enjoy Pacific Coast revolve and it is this action which propels the is reversed on the descending grades. This is ac- full-vision views along the scenically supreme trail First line between Chicago and the Twin locomotive. complished by reversing the usual function of the of The Olympian. Cities—the only double-tracked route electric motors, thus utilizing the momentum of First to adopt roller bearings for through pas- Other advantages are increased operating ease and senger trains CAPABLE OF 3500 HORSEPOWER the train to drive them as generators. On the Quill Type Locomotive economy, reduced wear on rails and equipment, First to operate all-steel trains between Chi- long sustained grades, encountered in crossing the cago and the Twin Cities; between Chicago maximum of cold weather safety and for the most and Seattle-Tacoma The locomotive which features this exhibit is several mountain ranges, great skill is required to 656 MILES ELECTRIFIED part trouble-free handling of traffic in districts that First to use open observation cars on trans- called the Bi-Polar Gearless. It is equipped with handle the heavy freight or high-speed passenger The first section of electrified travel encountered normally present tremendous operating difficulties. continental trains twelve of these motors and is capable of developing trains with the usual air brakes. To control a en route westward is at Harlowton, Mont., where First to use steam heat and electric lights on 3200 h. p. continuously or 3500 h. p. for a one- trains between Chicago and the Twin Cities 3500-ton train traveling at a rate of 17 miles per the line extends to Avery, Idaho, a distance of hour period. Each motor is mounted directly on SPARKS FROM THE LOCOMOTIVE First to operate long distance trains by electric hour on a 2 per cent grade, 6700 h. p. must be 440 miles. In this section the railroad crosses the the driving axle, the axle itself forming the shaft Belt Mountains, the main range of the Rockies, and ON EXHIBIT power of the motor. This method does away entirely dissipated. Is it surprising then that brake shoes First to use electric refrigeration in dining cars the Bitter Root Mountains, where the severe winter Class Passenger with the usual gears such as are found on street sometimes become red hot? weather makes operation under steam power very cars. Type of Drive Bi-Polar Gearless FAMOUS TRAINS difficult. Scenically, this entire region is one vast Number in use 5 With the electric locomotive the air brakes are expanse of rugged grandeur. The towering moun- The OLYMPIAN— An interesting feature of the locomotive is the Length over all 76 feet Chicago—Butte-Spokane-Seattle-Tacoma used only in emergency or in bringing the train tains, the colored walls of the canyons and wind- means by which it is controlled. The locomotives Total wheel base 67 feet to a full stop and the energy that would otherwise ing, tangled, rocky streams create a vista both mag- THE PIONEER LIMITED— are operated by many of the same men who Rigid wheel base 13 ft. 9 in. Chicago-Milwaukee—St. Paul-Minneapolis be wasted in heating the brake shoes is converted nificent and inspiring. formerly ran the steam engines. Therefore, so Total weight. 521,200 lbs. THE SOUTHWEST LIMITED— far as possible, the control arrangement was made into electricity and returned to the power plant. In 1918, after two years of test, the results of the Weight on Drivers 457,800 lbs. Chicago-Milwaukee — Cedar Rapids—Ex- to duplicate the arrangement commonly found on Not only is this a big saving but it also contributes electrification were so satisfactory that a second Per cent of weight on driver 87.8% celsior Springs-Kansas City electrification zone was authorized. This includes a steam locomotive. Also, as it would produce a greatly to the comfort of the traveler. The grinding Average weight per driving axle 38,150 lbs. THE ARROW—Chicago-Milwaukee—Des Moines- dangerous condition to have the 3,000 volts in the extreme west end of the main line of The Diameter of driving wheel 44 in. Omaha-Sioux City and jerking often encountered with the use of the engineer's cab, all the switches that are in Milwaukee Road between Othello and Seattle- Diameter of guiding wheel 36 in. THE COPPER COUNTRY LIMITED— contact with this high voltage are operated by the air brake is eliminated and the train descends Tacoma, Washington, over the Cascades, a dis- Number of driving motors 12 Chicago-Milwaukee—Iron River-Calumet compressed air or low voltage electro magnets.