Pioneer Zephyr

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The Pioneer Zephyr is a diesel-powered trainset built by the Budd Company in 1934 for the Chicago, Burlington and Quincy Railroad (CB&Q), commonly known as the Burlington Route. The trainset was the second internal combustion powered streamliner built for mainline service in the United States, the first such train powered by a diesel engine, and the first to enter revenue service; the trainset consists of one power/RPO car, one baggage/buffet/coach car, and one coach/observation car. The cars are made of stainless steel, permanently articulated together with Jacobs bogies; the construction incorporated recent advances such as shotwelding (a specialized type of spot welding) to join the stainless steel, and unibody construction and articulation to reduce weight. It was the first of nine similarly built trainsets made for Burlington and its technologies were pivotal in the subsequent dieselization of passenger rail service, its operating economy, speed, and public appeal demonstrated the potential for diesel-electric powered trains to revitalize and restore profitability to passenger rail service that had suffered a catastrophic loss of business with the Great Depression. Originally named the Burlington Zephyr during its demonstration period, it became the Pioneer Zephyr as Burlington expanded its fleet of Zephyr trainsets.

On May 26, 1934, it set a speed record for travel between Denver, Colorado, and Chicago, Illinois, when it made a 1,015.4-mile (1,633 km) non-stop "Dawn-to-Dusk" dash in 13 hours 5 minutes at an average speed of almost 78 mph (124 km/h).^[1] For one section of the run it reached a speed of 112.5 mph (181 km/h). The historic dash inspired a 1934 film and the train's nickname, "The Silver Streak".^[2][3][4][5]

The train entered regular revenue service on November 11, 1934, between Kansas City, Missouri, Omaha, Nebraska, and Lincoln, Nebraska, it operated this and other routes until its retirement in 1960, when it was donated to Chicago's Museum of Science and Industry, where it remains on public display. The train is generally regarded as the first successful streamliner on American railroads.^[5][6]

Concept and construction[edit]

In the early 1930s, the Great Depression caused a catastrophic loss of business for American railroads. Passenger service had been losing ridership to automobile travel since the mid-1920s, making faster, more efficient service imperative for railroads to compete. Railroads needed to lower operating costs of passenger service and boost ridership with a more modern image for the traveling public, to restore profitability to passenger service.^[7]

One of the railroad presidents who faced this challenge was Ralph Budd, formerly of the Great Northern Railway and now president of the Chicago, Burlington and Quincy Railroad (Burlington), who sought to develop a more efficient high speed train to replace conventional steam-powered heavyweight equipment; the project hinged on two major elements, developing lighter railcars and developing an internal combustion driven power system adequate for high speed service.

In 1932 Ralph Budd met Edward G. Budd (no relation), an automotive steel pioneer who was founder and president of the Budd Company. Edward Budd was demonstrating his new Budd-Michelin rubber-tired rail cars built of stainless steel. Pneumatic-wheeled railcars never found popularity for actual service in the US — they tended to derail — but they demonstrated the successful construction of lightweight stainless steel unibody railcars; some power-trailer car sets in that series articulated with Jacobs bogies shared between cars embodied the basic elements of car construction that would be used to build a lightweight streamliner train.^[8]

Stainless steel provided many benefits over traditional wood and hardened steel for railroad carbodies; it was a lighter and stronger material, and its natural silver appearance and resistance to corrosion meant that it would not have to be painted to protect it from the weather. Since the carbody was much lighter than similar cars, it would be able to carry a higher revenue load for the same cost.^[7][8]

In developing the Budd-Michelin railcars, the Budd Company used the formed steel technology in which they were industry pioneers and solved the most difficult problem in using stainless steel for railcar construction: developing a welding technique that would not compromise the strength and corrosion resistance of the stainless steel. On August 20, 1932, Earl J. Ragsdale, an engineer at the Budd Company, filed a patent application for a "Method and product of electric welding"; on January 16, 1934, the United States Patent and Trademark Office (USPTO) granted US patent 1,944,106 to the Budd Company.^[9] Shotwelding, as Ragsdale termed his method, involved automatic control of the timing of individual spot welds. In spot welding, the two pieces of metal that are to be joined are pressed together with an electrode on each side of the joint. A very high electric current is passed through the joint and fuses the two pieces of metal together.^[10] If a spot weld is heated too long, heat will spread from the weld at a middling temperature that weakens the stainless steel and compromises its corrosion-resistant properties unacceptably; Ragsdale's precisely-timed welds solved the problem.^[8][11] With their patented welding process at the core of stainless steel railcar construction, the cars produced by Budd were a truly unique product.

The articulated design of some Budd-Michelin cars, with trucks shared between adjacent cars, presented another opportunity for weight saving with the new train.^[12] On conventional passenger cars, each carbody rode upon a pair of trucks (pivot-mounted wheel-axle assembly), with one truck at each end; the articulation not only reduced the number of trucks under the train, but it also dispensed with the need for couplers between each of the carbodies, further reducing the train's weight. The concept was used by Budd engineer Walter B. Dean to build a train consisting of three semi-permanently attached cars. ^[13] It did, however, mean that train lengths could not be easily changed by switching out cars.

The other major problem Ralph Budd faced was to find a powerplant adequate to drive a trainset at a speed competitive with the faster steam trains; the existing gasoline powerplants for motorized railcars were inadequate and gasoline engines showed limited potential for higher capacity hauling applications. Contemporary four-stroke marine and stationary diesel engines had low power-to-weight ratios and were only efficient under a narrow range of operating conditions, rendering them unsuitable for rail transport. Spark-ignited petroleum distillate engines also suffered from low power-to-weight ratios along with being maintenance-intensive and smokey;^[14] the solution to Budd's problem presented itself in the new two-stroke diesel engines developed by General Motors' Winton Engine Corporation, which represented a factor-of-four improvement in power-to-weight ratio over the previous generation of diesel engines. Their efficient operating range was also improved, owing largely to improvements in fuel injection developed by GM and Winton. A diesel-electric system driven by a prototype of the new design was used to power General Motors' automotive assembly exhibit at the 1933 Century of Progress Chicago World's Fair. Budd saw the compact, efficient system in action, saw a major piece of his lightweight train puzzle fall into place, then approached GM about adapting their engine for rail propulsion.^[14] GM accepted the challenge of developing their engine into a production series, introduced as the Winton 201A in early 1934;^[15] the result was a diesel-electric drive system developed by GM's subsidiary Electro-Motive Corporation, powered by an eight-cylinder, 600 hp Winton 201A diesel engine, installed in a new three car stainless steel streamliner within a year. In 1933 a Century of Progress exhibit inspired the Zephyr streamliner; the following year the new Zephyr streamliner inspired the Century of Progress fair and the rest of the country.

The exterior design of the train was left to aeronautical engineer Albert Gardner Dean (Walter Dean's younger brother) who designed the sloping nose shape, with architects Paul Philippe Cret and John Harbeson, devising a way to strengthen and beautify the sides with the train's horizontal fluting.^[16][17] On April 15, 1936, Colonel Ragsdale, Walter Dean and Albert Dean, filed patent applications for a "Rail Car Front End Construction". On September 23, 1941 the USPTO granted US patents 2,256,493^[18] and 2,256,494^[19] to the Budd Company; the streamlining extended to the undercarriage as well to reduce drag.^[8]

Naming the train was a task that was very seriously taken by Budd, he wanted a name that started with the letter Z because this train was intended to be the "last word" in passenger service; Budd and his coworkers looked up the last words in their dictionaries, but neither zymurgy nor zyzzle conveyed the meanings that Budd was looking for. The name of the new train came from The Canterbury Tales, which Budd had been reading; the story begins with pilgrims setting out on a journey, inspired by the budding springtime and by Zephyrus, the gentle and nurturing west wind. Budd thought that would be an excellent name for a sleek new traveling machine—Zephyr.^[7][20][21]

The first Zephyr (9900) was completed by the Budd Company on April 9, 1934, powered by an eight-cylinder 8-201-A model Winton engine developing 600 horsepower (447 kW) at 750 rpm; the diesel-electric drive system using generators, control, and traction-drive equipment from General Electric became the technological basis for later diesel locomotives that would replace steam.^[3][6]

The train's engineer sat in a small compartment in the nose of the train, directly in front of the prime mover. Behind the engine in the first car was a 30 ft (9.1 m) long railway post office section. The second car consisted of a small baggage section and a short buffet and 20-passenger coach section; the third and final car in the train, as originally built, was configured as half coach (40-passenger seats) and half observation car (12 passenger seats). As built, the train had 72 seats and could carry 50,000 pounds (22.7 tonnes) of baggage and express freight. After a series of demonstration runs, the trainset was christened the Burlington Zephyr on April 18, 1934, at the Pennsylvania Railroad's Broad Street Station in Philadelphia, Pennsylvania;^[22][23] that name lasted until it became the Pioneer Zephyr as Burlington put other Zephyr trainsets into service as named trains.

Following the Zephyr Budd built an identical trainset, the Flying Yankee, for the Boston and Maine railroad, and went on to build a series of larger and more powerful Zephyr trainsets for Burlington.

Promotion: "Dawn-to-Dusk" dash[edit]

The train made a "Dawn-to-Dusk" dash from Denver to Chicago on May 26, 1934, in a publicity stunt timed to coincide with the opening day of the Century of Progress fair in Chicago; the railroad spared no expense in planning the operations. All other trains along the Zephyr's route were diverted to sidings and the turnouts were spiked into the proper alignment for the Zephyr's run. Track and maintenance of way workers checked every spike and bolt along the train's route to ensure that there would not be any problems, and temporary speed signs were installed along the route to warn the Zephyr's crew of curves that would be dangerous at high speeds.^[2] On the day of the dash, every road grade crossing was manned by a flagman to stop automobile traffic ahead of the train and to ensure that the crossing was clear. Stations along the route were protected by local police officers and members of the American Legion and the Boy Scouts of America.^[24]

The train left Denver at 07:04 Central Daylight Time and at 20:09, 13 hours 5 minutes later, broke through the tape at the designated finish line at Halsted Street station, 1.8 miles west of Chicago Union Station. The train's average speed from start to finish was 77 mph (124 km/h); and had reached a speed of 112.5 mph (181 km/h). The non-stop 1,015 mile (1,633 km) trip exceeded the railroad's expectations in being 1 hour 55 minutes faster than was scheduled;^[2] the Burlington's contemporary passenger trains plied the same distance in around 25 hours.

Riding the train were Ralph Budd, Edward G. Budd, Harold L. Hamilton, president of the Electro-Motive Corporation, a number of reporters, some Burlington employees, members of the public, and Zeph, a burro that was contributed by a Colorado newspaper, the Rocky Mountain News, as a mascot for the train;^[2] the newspaper had described Zeph to the railroad as a "Rocky Mountain canary" so the train's crew had originally planned only enough space for a birdcage; when they found out it was not a bird, the railroad hastily built a pen in the baggage section and bought some hay for it. When asked about the burro, Ralph Budd replied "why not? One more jackass on this trip won't make a difference."^[25]

The train continued east from Halsted Station to the 1934 Century of Progress fair on the Lake Michigan shore, where it arrived for the "Wings of a Century" pageant on opening day.^[2] After its showing on the Wings of a Century stage, the train was taken on a 31-state, 222-city publicity tour. More than two million people saw the train before it entered revenue service.^[26]

Part of the tour included a test run between Chicago and Minneapolis–St. Paul a full five hours faster than the Burlington's fastest steam-powered train. Due to the Zephyr's success on this test run, the Burlington immediately ordered two more Zephyr trainsets that were dubbed the "Twin Zephyrs", starting the spread of the Zephyr brand.

Early Zephyr trains[edit]

Following the Pioneer Zephyr 9900, two identical trainsets, 9901 and 9902, were built and put into service as the Twin Cities Zephyr between Chicago and Minneapolis - St. Paul in April 1935; the four car set 9903 entered service as the Mark Twain Zephyr between St. Louis and Burlington, Iowa in October 1935. On May 31, 1936, the trainsets of the Pioneer Zephyr and the Mark Twain Zephyr, 9900 and 9903, were transferred to a new Chicago-Denver service called the Advance Denver Zephyr on a 16 hour schedule.^[27][28] Within a month they were replaced by two new six-car trains pulled by power units 9904 and 9905, named the Denver Zephyr; the six car sets 9904 and 9905 were replaced by the ten car sets 9906 and 9907 in October 1936, and replaced 9901 and 9902 on the Twin Cities run in December 1936. At that time, the 9901 was reassigned to a new service, the Sam Houston Zephyr, running between Ft. Worth and Houston via Dallas on trackage jointly owned by the Chicago, Rock Island and Pacific. This was the first streamlined train in Texas, and was joined about a year later by the Texas Rocket on alternate timing; the 9902 set inaugurated the Ozark State Zephyr, a joint operation with the Alton Railroad between St. Louis and Kansas City, where it was joined by the 9904 on alternate timing about a year later. The last of the classic Zephyrs, 9908, entered service as the General Pershing Zephyr between Kansas City and St. Louis in 1939, replacing the less commodious 9902 set; the 9904 set continued to provide alternate timing on this route across the Show Me State, but had its original name of Mark Twain Zephyr restored, despite no longer operating through Samuel Clemens' hometown of Hannibal.

While 9900-9903 were power cars with RPO and baggage compartments, only one more, the unique 9908, was built. 9904-9907 were locomotives with the twin 900 hp 12-cylinder engine layout that GM-EMC's early E-units would use. 9906 and 9907, built for the ten car Denver Zephyr sets in 1936, included booster units. 9908 used the new 1000 hp GM 567 engine in a single engine configuration. After 9908, all of Burlington's new passenger locomotives were standard production models, with the cosmetic stainless steel bodywork of the E5s their only custom feature.^[29]

The Winton two-stroke diesel engines used in the Zephyr power units and early EMC designs, while a breakthrough in locomotive power, were an immature technology; some of their early reliability problems were mitigated with changes to individual parts such as pistons; other solutions had to wait for a differently designed engine. For example, the first generation of pistons in the Winton engine only had about 50,000 miles of useful life, later extended to about 100,000 miles. GM's next generation diesel engine had pistons with a useful life of over 500,000 miles; the problems were most acute under the operating conditions of locomotive, rather than stationary or marine, use.^[15] Even with the problems of the Winton 201A, their maintenance regime was significantly lower than for steam locomotives.

9900 and 9901-9903 were articulated trainsets, with common trucks (Jacobs bogies) between each car. This caused operating problems, as train lengths could not be changed for demand and any single failure affected the entire train. All following power units were separate from their train, although four more articulated and semi-articulated carsets were built.

Regular revenue service[edit]

The Zephyr's power (leading) car was numbered 9900, the baggage-coach combine car 505, and the coach-observation 570; the train was placed in regular service between Kansas City, Missouri, Omaha and Lincoln, Nebraska, on November 11, 1934, replacing a pair of steam locomotives and six heavyweight passenger cars, weighing up to eight times as much as the Zephyr.^[26] By June 1935, it proved popular enough to add a fourth car, providing additional coach seating; the fourth car was originally a 40-seat coach number 525, but the following June it was switched to Twin Cities service, then back to the Pioneer Zephyr in December.^[12] Car 525 remained on the train until June 1938. Just over five years after it was introduced, the Pioneer Zephyr crossed the one million mile mark in regular service on December 29, 1939, near Council Bluffs, Iowa.

On the second anniversary of the train's famous dash, the original Burlington Zephyr was rechristened the Pioneer Zephyr to distinguish it as the first of the Burlington's growing Zephyr fleet. In 1938, car 525 was replaced by car number 500, a 40-seat buffet/lounge car, to provide light meals. Car number 505, the baggage-coach combine, was rebuilt at this time into a full baggage car, but it kept its original windows.^[3][30]

In 1939 the Pioneer Zephyr was involved in a head-on collision with a freight train that completely destroyed the cab; the train was rebuilt and re-entered revenue service soon afterward, but the accident drove home the advantages for crew safety of the elevated, behind-the-nose cab design of the contemporary EMC E-series locomotives.^[4]

Ralph Budd and the Burlington capitalized on the Zephyr's success. Many of the Burlington's named passenger trains began operating under the Zephyr brand. After the nine original Zephyr sets were completed during 1934-1938, standard production model diesel passenger locomotives with improved engines became available. Trains consisting of the new locomotives with new streamlined cars of standard size were ordered. Burlington ordered its new EMC E5 passenger diesels with matching stainless-steel fluting and operated their new full-size, long distance trains under the Zephyr brand, with perhaps the best known being the California Zephyr.'

In 1948 and 1949, the Pioneer Zephyr was temporarily removed from service to participate in the Chicago Railroad Fair's "Wheels A-Rolling" pageant; the fair's purpose was to celebrate 100 years of railroad history west of Chicago, and the Pioneer Zephyr's role in the pageant was to highlight the latest strides in railroad technology. It resumed regular passenger operations when the fair ended on October 2, 1949.^[31] By 1955 the Pioneer Zephyr's route had been updated to run between Galesburg, Illinois, and Saint Joseph, Missouri; the trainset had been in continual service since 1934, operating over nearly 3 million miles (4.8 million kilometres). The Pioneer Zephyr's last revenue run was a trip from Lincoln, Nebraska, to Kansas City, Missouri, (along the train's regular revenue route) that then continued to Chicago on March 20, 1960;^[3] when Amtrak took over passenger rail services in 1971, the legendary Zephyr name was preserved, and the California Zephyr is an Amtrak route in the 21st century.

Zephyr as cultural phenomenon[edit]

"Silver Streak" film[edit]

Press publicity had apparently first coined the term "Silver Streak"; the Pioneer Zephyr's famous Denver-Chicago dash served as the inspiration for the 1934 film The Silver Streak starring Charles Starrett.^[16][26] In that story, the crew was racing to the Boulder Dam construction site with an iron lung, with only moments to spare; the original Zephyr trainset was used for the exterior shots in the film, while interior scenes were filmed on a soundstage in Hollywood. For the film, the "Burlington Route" nameplate on the train's nose was replaced with one that read "Silver Streak".

Zephyr tributes in advertising, commercial products, and sports[edit]

With Zephyr-mania sweeping the country, tributes turned up in the names of everything from sports teams to commercial products. In 1934, Father Becker, principal of the St. Mary Catholic High School in Menasha, Wisconsin, was so inspired by the dawn-to-dusk run that he chose "Zephyrs" as the mascot for the school. In Galesburg, Illinois, which is 162 rail miles from Chicago, the local high school named all its athletic teams the "Galesburg Silver Streaks" in honor of the train. In 1935, the H. N. White Company changed the name of its top-line saxophones to "King Zephyr." Ford Motor Company introduced the "Lincoln-Zephyr" with the 1936 model year. Northwest Airlines' promotional materials from the late 1930s referred to their fleet of airliners as "Sky Zephyrs."^[32] If advertisers could find a way to cash in on Zephyr-mania, they did.

Legacy[edit]

Influence on trains[edit]

The sensation caused by the new Zephyr trainsets sparked intense competition centered on speed and styling in the region served by the CB&Q. In May 1935 the Milwaukee Road introduced the Class A steam-powered high speed streamliner locomotive on its Chicago-Twin Cities Hiawatha run, in direct competition with the CB&Q Twin Cities Zephyr; the styling of the Class A was directly evocative of the Zephyr, with a "shovel-nose" front end featuring a high-mounted headlamp ensconced in grillework. Another early adopter of streamline styling was the New York Central railway with its Commodore Vanderbilt steam locomotive, showing styling elements borrowed from the Zephyr, unveiled in December 1934. A Zephyr-type trainset, the Flying Yankee, started service between Boston and Portland, Maine in April 1935, signaling new competition for steam-powered passenger service on the east coast; the Gulf, Mobile, and Northern Rebel featured styling similar to that of the Zephyr, entering service on July 10, 1935 between New Orleans and Jackson, Tennessee. The race was on nationally to develop faster and more stylish locomotives for passenger service, boosting the streamliner trend.

Style and structural elements of the Zephyr were incorporated into the EMC "E" series diesel locomotives introduced in 1937, featuring "shovel-nose" front ends beneath their elevated cabs; the E5 units produced for CB&Q paid homage to the original Zephyr trainsets with a stainless steel body, fluted lower bodywork, horizontal black stripes across the front, and faux grillework flanking the upper headlamp. The lightweight construction introduced to mainline service by the Zephyr trainsets became the standard for new railcars used with the new EMC-powered diesel streamliners such as the AT&SF Super Chief.

Later years[edit]

On May 26, 1960, the 26th anniversary of the "Dawn-to-Dusk" dash, the original Pioneer Zephyr train (car numbers 9900, 505 and 570) was donated to Chicago's Museum of Science and Industry (MSI).^[3][16] Car number 500, which operated with the train from 1938, went along with Mark Twain Zephyr trainset 9903 to a party in Mount Pleasant, Iowa, for static display in a town park, but plans for the train's display did not work out; in 2002 car 500 and the Mark Twain Zephyr were stored in Granite City, Illinois with plans to display it in Fairfield, Iowa.^[33]

MSI displayed the Pioneer Zephyr outdoors, with no protection from the weather, until 1994. At that time, the steam locomotive that shared the display space with the Zephyr, Santa Fe #2903, was donated to the Illinois Railway Museum (IRM) at Union, west of Chicago, while MSI prepared a new display location for the Zephyr.^[34]

MSI dug a pit in front of the building and built a new display area for the Zephyr, where it could be displayed year-round. In 1998, after the train received a cosmetic restoration by Northern Rail Car in Milwaukee, Wisconsin, the pit was finally ready to receive the train. Rohn Metal Fabricating, Inc., known for its expertise in stainless steel fabrication, played a part in the interior restoration of the Zephyr. The Pioneer Zephyr train is still on display at MSI just outside the main entrance from the museum's underground parking area, where it is one of the more popular exhibits.^[34] Thomas Rohn, owner of Rohn Metal Fabricating, Inc., was "happy to lend his company's expertise" in the train's restoration.

In addition to the Pioneer Zephyr, two other legacies remain. An operable Nebraska Zephyr train was donated to IRM. There, powered by one of the large "E" series passenger diesels (an EMC E5) with the distinctive and durable stainless-steel fluting, it is still operated on short runs on the museum's substantial trackage, providing train enthusiasts and tourists with an experience reminiscent of the heyday of the Burlington's Zephyr service;^[35][36] the Silver Charger, power car of the General Pershing Zephyr, is on display at the Museum of Transportation in St. Louis, and the same train's "diner-parlour and observation car" is now the Silver Star Cafe in Port Hedland, Australia.

Also utilizing the name, the Minnesota Zephyr was a dinner train located in the historic city of Stillwater, Minnesota, although it was not directly associated with the historic Burlington Zephyr fleet.

Dorney Park & Wildwater Kingdom in Allentown, Pennsylvania has a miniature replica train ride called Zephyr which was built in 1935 and helped the park survive the Great Depression.^[37]

Models[edit]

Due to the Zephyr's place in American railroad history, many model railroaders have built their own versions of the Pioneer Zephyr in miniature. Several model manufacturers are now producing commercial ready-to-run models or kits of the train for modelers to build; this list is ordered by the manufacturer's release date:

• American Flyer introduced one of the earliest versions of the Zephyr in 1934. Originally sold as a three-car set, the body shells were produced in sand-cast aluminum and hand-polished to represent the stainless steel-skinned prototype. Additional cars became available and the locomotive or "power unit" underwent some refinements during production; and a less expensive stamped lithographed steel version was also produced; the Zephyr set appeared in the 1934-1938 American Flyer catalogs. With the purchase of the American Flyer line in 1937 by the A. C. Gilbert Company, a new line of O scale (1:48) trains moved into production phasing out the Zephyrs and previous O-scale products collectively known as "Chicago Flyer".^[38]
• Challenger Imports imported limited production ready-to-run brass models in HO scale (1:87) of the four-car Pioneer Zephyr, Mark Twain Zephyr and the Boston and Maine Railroad's Maine Cheshire and Maine Minuteman in 1993.^[39]
• Fine N-Scale Products released a kit in 1996 in N scale (1:160) that includes an option for car number 500.^[40]
• Con-Cor made limited-run models available in both HO scale and N scale that were released in 2005, and then again in 2012.^[41]
• River Raisin Models released a ready-to-run model in S scale (1:64) of both the Pioneer Zephyr (in three- and four-car configurations) and the similar Flying Yankee, in 2005.^[42]
• MTH Electric Trains released a limited production ready-to-run model of the three-car Pioneer Zephyr in O scale in 2005.^[43]

See also[edit]

• "Fliegender Hamburger" ("Flying Hamburger")—a German diesel trainset that entered service in 1933, regularly achieving speeds of up to 100 mph (160 km/h).
• ETR 200—Italian high-speed electric train.
• High-speed rail

Notes[edit]

References[edit]

• American Society of Mechanical Engineers (November 18, 1980), The Pioneer Zephyr (PDF). Retrieved February 24, 2005.
• Johnston, Bob; Joe Welsh; Mike Schafer (2001). The Art of the Streamliner. New York: Metro Books. ISBN 1-58663-146-2.
• Kisor, Henry (1994). Zephyr: Tracking a Dream Across America. Holbrook, Massachusetts: Adams Publishing. ISBN 1-55850-477-X.
• (February 2005) Trains Timeline, Trains Magazine, Kalmbach Publishing, p. 9.
• Wayner, Robert J., ed. (1972). Car Names, Numbers and Consists. New York: Wayner Publications. OCLC 8848690.
• Zimmermann, Karl (2004). Burlington's Zephyrs. Saint Paul, Minnesota: MBI Publishing Company. ISBN 978-0-7603-1856-0.

Further reading[edit]

• Byron, Carl R. (January 2006). Pioneer Zephyr : America’s First Diesel-Electric Stainless Steel Streamliner. Heimburger House Publishing. ISBN 0-911581-58-8.
• Morgan, David P. (1963). Diesels West. Milwaukee, Wisconsin: Kalmbach Publishing. LCCN 62019987.
  • Chronicle of the rise of diesel power on the Burlington with specific emphasis on the Pioneer Zephyr, its record-setting run, and its descendants.
• "The Burlington Zephyr". Rail Enthusiast. EMAP National Publications. January 1983. pp. 10–13. ISSN 0262-561X. OCLC 49957965.

External links[edit]

Wikimedia Commons has media related to Pioneer Zephyr.

• All Aboard the Silver Streak: Pioneer Zephyr, image and exhibit of the Pioneer Zephyr at the Chicago Museum of Science and Industry
• Zephyr Patents—PDF reproductions of the patents developed for construction of the Pioneer Zephyr.
• Illinois Railway Museum official website—Home of many more Burlington artifacts, including the Nebraska Zephyr trainset.
• "New Streamline Train Has Hit 125-Mile Speed", Popular Science, July 1934