Frederick H. Rohr
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Frederick Hilmer Rohr (10 May 1896 — 8 November 1965) was a German-American entrepreneur and engineer who founded Rohr Aircraft, the world's leading manufacturer of
aerostructure An aerostructure is a component of an aircraft's airframe. This may include all or part of the fuselage, wings, or flight control surfaces. Companies that specialize in constructing these components are referred to as "aerostructures manufacturer ...
s in the mid-20th century. Rohr pioneered new methods of aircraft production, including the use of drop hammers, stainless steel honeycomb construction, and overpressed forming processes which radically increased the aviation industry's overall output, critical to the
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in the
Second World War World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
. Moreover, Rohr's company was the first to sell combined engine and casing packages to major airplane manufacturers like
Convair Convair, previously Consolidated Vultee Aircraft Corporation, was an American aircraft-manufacturing company that later expanded into rockets and spacecraft. The company was formed in 1943 by the merger of Consolidated Aircraft and Vultee ...
or Lockheed, which previously constructed the components in-house. Headquartered in
Chula Vista Chula Vista ( ; , ) is a city in San Diego County, California, United States. It is the second-most populous city in the San Diego metropolitan area, the seventh-most populous city in Southern California, the 15th-most populous city in the ...
, Rohr was principally responsible for the city's growth during the 20th century.


Biography

Frederick Hilmer Rohr was born on 10 May 1896 in
Hoboken, New Jersey Hoboken ( ; ) is a City (New Jersey), city in Hudson County, New Jersey, Hudson County in the U.S. state of New Jersey. Hoboken is part of the New York metropolitan area and is the site of Hoboken Terminal, a major transportation hub. As of the ...
, where his father, Henry Gustav Rohr, had recently arrived from
Germany Germany, officially the Federal Republic of Germany, is a country in Central Europe. It lies between the Baltic Sea and the North Sea to the north and the Alps to the south. Its sixteen States of Germany, constituent states have a total popu ...
. Looking to market his skills in working with
sheet metal Sheet metal is metal formed into thin, flat pieces, usually by an industrial process. Thicknesses can vary significantly; extremely thin sheets are considered foil (metal), foil or Metal leaf, leaf, and pieces thicker than 6 mm (0.25  ...
, Henry Rohr migrated westward with his family in 1898 and founded a
metalworking Metalworking is the process of shaping and reshaping metals in order to create useful objects, parts, assemblies, and large scale structures. As a term, it covers a wide and diverse range of processes, skills, and tools for producing objects on e ...
shop in
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
. Frederick Rohr grew up working in his father's shop, learning the trade while pursuing an independent engineering education through night school and
correspondence courses Distance education, also known as distance learning, is the education of students who may not always be physically present at school, or where the learner and the teacher are separated in both time and distance; today, it usually involves online ...
. After serving with the
U.S. Navy The United States Navy (USN) is the maritime service branch of the United States Department of Defense. It is the world's most powerful navy with the largest displacement, at 4.5 million tons in 2021. It has the world's largest aircraft ...
in the
First World War World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, Rohr spent a few years toying with aircraft in
Fresno Fresno (; ) is a city in the San Joaquin Valley of California, United States. It is the county seat of Fresno County, California, Fresno County and the largest city in the greater Central Valley (California), Central Valley region. It covers a ...
before moving to
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in 1924 to open the Standard Sheet Metal Works. Within a year he was hired as sheet metal foreman by the
Ryan Aeronautical Company The Ryan Aeronautical Company was founded by T. Claude Ryan in San Diego, California, in 1934. It became part of Teledyne in 1969, and of Northrop Grumman when the latter company purchased Ryan in 1999. Ryan built several historically and tec ...
, which, after its acquisition by Frank Mahoney in 1926, was commissioned by
Charles Lindbergh Charles Augustus Lindbergh (February 4, 1902 – August 26, 1974) was an American aviator, military officer, and author. On May 20–21, 1927, he made the first nonstop flight from New York (state), New York to Paris, a distance of . His aircra ...
to build the '
Spirit of St. Louis The ''Spirit of St. Louis'' (formally the Ryan NYP, registration: N-X-211) is the custom-built, single-engine, single-seat, high-wing monoplane that Charles Lindbergh flew on May 20–21, 1927, on the Charles Lindbergh#New York–Paris flight ...
' for his seminal transatlantic flight. Rohr not only handled all of the aircraft's sheet metal components, but engineered the specially strengthened fuel tanks required to sustain the plane's 33 1/2 hr flight through turbulent skies.Dean 2017 p. 3. In 1928, after Mahoney sold Ryan Aeronautical, Rohr became Factory Manager for the Solar Aircraft Company, where he replaced the time-consuming process of manually hammering metal sheets into desired shapes with mechanized drop hammers. This innovation, allowing workers to simply place the metal beneath a falling
piston A piston is a component of reciprocating engines, reciprocating pumps, gas compressors, hydraulic cylinders and pneumatic cylinders, among other similar mechanisms. It is the moving component that is contained by a cylinder (engine), cylinder a ...
-powered cylinder, so impressed aircraft producers that Rohr was invited to introduce the machines at
Boeing Airplane Company The Boeing Company, or simply Boeing (), is an American multinational corporation that designs, manufactures, and sells airplanes, rotorcraft, rockets, satellites, and missiles worldwide. The company also provides leasing and product support s ...
's
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plant, where he became a consulting engineer in 1933. He returned to San Diego two years later to take a position as Factory Manager for Ryan Aeronautical. All the while Rohr had designs upon a company of his own, inspired by his enduring faith in the future of flight. He envisioned a new type of aviation manufacturer that built neither planes nor engines, but made prefabricated aircraft components (aerostructures) for use by major airplane producers. Finally, in 1940, after months of careful consideration and planning, Rohr and four companions signed the
Articles of Incorporation Article often refers to: * Article (grammar), a grammatical element used to indicate definiteness or indefiniteness * Article (publishing), a piece of nonfictional prose that is an independent part of a publication Article(s) may also refer to: ...
for the new Rohr Aircraft Corporation. With promised contracts from two major corporations and a host of poached employees from Ryan Aeronautical, Rohr wasted no time waiting for the negotiations over his planned factory plot in Chula Vista to finish; operations began downtown in a dilapidated three-story building. By October 1940 Rohr employed 64 people working on 3 significant contracts, one of which the
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had commissioned. Though the United States had not yet directly intervened in the ongoing Second World War, the government's arms agreements with Allied powers called for the sale of large quantities of military aircraft, a source of demand which ensured steady work for the nascent company. When the American government began its own military buildup, however, Rohr Aircraft Corporation underwent rapid and enormous expansion, ascending to become the largest supplier in its field.Dean 2017 p. 4. After 7 December 1941, Rohr Aircraft also took on its role as a vital part of the American war effort. The pre-constructed power plant assemblies and other aerostructures Rohr sold to airplane manufacturers increased the country's rate of plane production, as aircraft manufacturers could install such components in minutes rather than days. One year in operation had seen Rohr's new company generate $1,493,488 in revenue and hire 800 new employees. Rohr relocated to the new factory grounds in 1941, but soon had to expand further and purchased new tracts. The exodus of male workers to serve in the Second World War and the company's drastic need for labor resulted in the hiring of many women, first as office staff but soon also as workers on the factory floor. Rohr manufactured power plant assemblies for
Consolidated Aircraft The Consolidated Aircraft Corporation was founded in 1923 in aviation, 1923 by Reuben H. Fleet in Buffalo, New York, the result of the Gallaudet Aircraft Company's liquidation and Fleet's purchase of designs from the Dayton-Wright Company as the ...
's
B-24 The Consolidated B-24 Liberator is an American heavy bomber, designed by Consolidated Aircraft of San Diego, California. It was known within the company as the Model 32, and some initial production aircraft were laid down as export models desi ...
and PB2Y-3, nacelles for the PBY and
Lockheed Hudson The Lockheed Hudson is a light bomber and coastal reconnaissance aircraft built by the American Lockheed Aircraft Corporation. It was initially put into service by the Royal Air Force shortly before the outbreak of the Second World War and ...
, and doors for the nose and landing wheels of Lockheed's P-38 fighter. Unbridled expansion continued, catapulting Rohr Aircraft to nearly 10,000 employees, but even before the war's end contracts began to slow. The Allied victory and the Truman administration's subsequent cutback on military spending blindsided the swollen company, and it burst. The high of 96,270 aircraft produced in America in 1944 fell to only 1,400 in 1946, and Rohr's workforce collapsed to 675, a decline of 93.25%. Scrambling to remain solvent, Rohr merged the Rohr Aircraft Corporation with the International Detrola Company, and his titanic industrial factories were turned from manufacturing aircraft components to making vacuum cleaners, washing machines, and toy boats. In 1949, however, after reviving a business relationship with Boeing and assisting major aircraft corporations in manufacturing techniques, Rohr bought back his company with advance payments made in good faith by Boeing executives. The rise of commercial aircraft and the escalation of the
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, especially through the
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, fueled Rohr Aircraft's resurgence in the 1950s, allowing for the establishment of three new manufacturing sites in Riverside, CA, Winder, GA, and Auburn, WA. Meanwhile, the workforce similarly grew, and by the end of the decade had almost completely recouped the postwar losses. However, labor relations proved a continual source of conflict, as the
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struggled fiercely in negotiations with the
International Association of Machinists The International Association of Machinists and Aerospace Workers (IAM) is an AFL–CIO/ CLC trade union representing over 600,000 workers as of 2024 in more than 200 industries with most of its membership in the United States and Canada. Origi ...
, the union which represented most Rohr employees. A
strike Strike may refer to: People *Strike (surname) * Hobart Huson, author of several drug related books Physical confrontation or removal *Strike (attack), attack with an inanimate object or a part of the human body intended to cause harm * Airstrike, ...
at the Riverside plant in 1955 lasted six weeks before company officials, aided by a federal mediator, conceded the contract dispute allowing third-party arbitration of future issues. In 1960 a strike was threatened against the Riverside and Chula Vista plants, but avoided by the signing of a new contract. A 1962 labor conflict caused three employees to go on a
hunger strike A hunger strike is a method of non-violent resistance where participants fasting, fast as an act of political protest, usually with the objective of achieving a specific goal, such as a policy change. Hunger strikers that do not take fluids are ...
for seven days to protest Rohr's dilatory behavior in settling the union's contract. Employees were not the only source of discontent, however, and in 1954 Rohr's company faced severe criticism from the Citizens' League for Better Government, a newly founded Chula Vista political organization that charged Rohr with infiltrating local government in an effort to ultimately lower taxes and land lease prices. Rohr had encouraged his employees to become involved in the community and sponsored numerous donations to various charitable organizations in the area, as well as paying more than a quarter of the city's total tax revenue. Rohr employees served at all levels of the Chula Vista government, on many citizen's committees, and on school boards. Due principally to Rohr's presence, Chula Vista grew from a farming municipality of 4,000 inhabitants to a city of nearly 30,000 between 1940 and 1955. In a special election on 18 November 1954 called by the founder of the Citizens' League, a former Rohr contractor who made a failed bid for city council, three Rohr employees on the city council were unseated. The next day, Rohr issued his response, defending the company's involvement in the community and its intentions. On 25 November, all Rohr employees involved in the civil service resigned from their government positions. The Chula Vista community immediately capitulated; business owners and community leaders took out a full-page signature ad in the Chula Vista Star articulating their appreciation of the company's contribution to the city, a framed copy of which was presented to Rohr. A few weeks later, to demonstrate Rohr Aircraft's impact on Chula Vista, the workers were paid their weekly wages in
silver coin Silver coins are one of the oldest mass-produced form of coinage. Silver has been used as a coinage metal since the times of the Greeks; their silver drachmas were popular trade coins. The ancient Persians used silver coins between 612–330 B ...
s from the San Francisco factory mint, which filtered through the city's homes and businesses for over a week. Frederick H. Rohr died of a stroke at the age of 69 on 8 November 1965.


Legacy

While the man and the company he started are gone, the legacy of Fred Rohr and Rohr Industries continues. The growth of Chula Vista was helped by the company, and the products it made contributed to the success of the aircraft industry from World War II into the jet age. The company provided good paying jobs for thousands of residents of Chula Vista and helped the community. Fred Rohr's contributions are recognized at Rohr Manor, Rohr Park and Rohr Elementary School, which were all named after him. The Chula Vista Heritage Museum hosted an exhibit showcasing Rohr's impacts on the region in 2017.


References


Sources

* Mingos, Howard, editor. ''The Aircraft Year Book for 1943''. 25th ed., Aeronautical Chamber of Commerce of America, 1943. * Austin, Edward T. ''Rohr: The Story of a Corporation''. Rohr Corporation, 1969. * Dean, Ada. "Fred H. Rohr: A Man and His Corporation." ''City of Chula Vista'', Chula Vista Heritage Museum, 2017, http://www.chulavistaca.gov/home/showdocument?id=2. * Scott, Mary L. ''San Diego, Air Capital of the West''. The San Diego Air and Space Museum, 2005. * Sprekelmeyer, Linda, editor. ''These We Honor: The International Aerospace Hall of Fame''. Donning Co. Publishers, 2006. .


External links

*http://www.sandiegouniontribune.com/communities/south-county/sd-se-rohr-exhibit-0202-story.html *http://www.sandiegouniontribune.com/ramona-sentinel/sdrs-they-werent-flying-saucers-but-they-hit-chula-2009feb13-story.html *http://www.fundinguniverse.com/company-histories/rohr-incorporated-history/ {{DEFAULTSORT:Rohr, Frederick H. 1896 births 1965 deaths Aeronautical engineers American people of German descent People from Hoboken, New Jersey