A Brief History of 1923's Midair Refueling Experiments

United States Air Force // Public Domain
United States Air Force // Public Domain

On June 27, 1923, two biplane pilots made history by swapping fuel through a hose while in flight. It was an Army experiment, working to make practical a stunt that wing-walkers had tried—with some success—previously.

Captain Lowell H. Smith and Lieutenant John P. Richter took off in an Airco DH-4B biplane from Rockwell Field in San Diego. An identical second biplane took off shortly after, flown by First Lieutenants Virgil Hine and Frank Seifert. Because both planes were piloted from the front seat, that left the men in the second seats to mess around with fuel lines. The cockpits were all open, without glass shields to complicate things.

Seifert lowered a hose from his plane, flying just a bit higher, and Richter grabbed it. Richter crammed it into his biplane's fuel tank, gave the high sign to Seifert, and the gas started flowing from the higher tank to the lower. It worked, transferring fuel until Seifert cut off the flow and retracted the hose. The teams landed successfully, then celebrated the first true mid-air refueling in aviation history.

Here's film of the event:

Two months later the Army topped that feat by flying three identical biplanes (again Airco DH-4Bs), two of them acting as support tankers for the third, which was again piloted by Smith. They proceeded to repeat the earlier procedure over and over, and ended up keeping Smith's plane flying continuously for 37 hours—an endurance record at the time. (The other two planes took turns landing and refueling throughout.)

This latter attempt was truly intense. In all, the trio of planes transferred 687 gallons of gas and 38 gallons of oil over the day-and-a-half-long flight. (The oil transfer was necessary because engines of the day bled oil at an incredible rate.) A similar—albeit far more automated—midair refueling process is still in use today.

Although these two flights in 1923 are considered the first "true" midair refueling procedures, technically gas was transferred between planes almost two years earlier. In 1921, the trio of Wes May, Frank Hawks, and Earl Daugherty hatched a plan. May was a stuntman and skilled wing-walker, who was capable of wild things like handstands on the wings of planes in the air. Maybe he could transfer gas between two planes in flight?

May strapped a five-gallon tank of gas onto his back and got in the passenger seat of Hawks's Lincoln Standard biplane. They took off and approached a Curtis Jenny, which was piloted solo by Daugherty in the rear seat. While the two planes flew side by side (these pilots were barnstormers), May climbed out of his seat, walked across the Lincoln's wing, and scrambled onto the wing of the Curtis Jenny. He then climbed into the front seat, unscrewed the fuel tank, and carefully poured in the gas. It worked, but it was slow and extraordinarily dangerous. (Plus the procedure was sufficiently slow that it didn't give a practical benefit to the recipient aircraft.)

For a nice history of earlier midair refueling, check out this Historic Wings article or watch this video history.

12 Facts About Shirley Chisholm, The First African-American to Run For President

Library of Congress
Library of Congress

Being the first black woman to serve on Congress would be a significant enough accomplishment for a lifetime, but it wasn’t good enough for Shirley Chisholm. Three years after she arrived in Washington, D.C., Chisholm became the first woman to run for president for the Democratic party. When announcing her intention to seek the nomination on January 25, 1972, Chisholm stated, “I’m a revolutionary at heart now and I’ve got to run, even though it might be the downfall of my career.”

Though her campaign was controversial at times, it wasn’t the downfall of her long and noteworthy career. And she's still making headlines. In late 2018, Oscar-winner Viola Davis announced that she would be producing and starring in The Fighting Shirley Chisholm, a biopic chronicling Chisholm's amazing life. On January 21, 2019—nearly 50 years after Chisholm announced her presidential run—California senator Kamala Harris announced her own 2020 presidential run and unveiled her campaign logo, which pays tribute to Chisholm.

Here are a few things to know about this bold educator-turned-politician.

1. She had international roots.

On November 30, 1924, Shirley Anita St. Hill was born in Brooklyn, New York to Ruby Seale and Charles St. Hill. Her mother was a domestic worker who immigrated to the U.S. from Barbados; her father, a factory worker, was originally from Guyana.

2. She was born in Brooklyn, but had a slight English accent.

In 1928, Chisholm and her two sisters were sent to live with their grandmother in Barbados, while her parents stayed in New York and worked through the Great Depression. Chisholm attended a one-room schoolhouse on this island in the West Indies. In addition to receiving a British education, she picked up an accent, which remained slight but noticeable throughout her life.

3. Education had a significant impact on her life.


Library of Congress

Chisholm returned to the U.S. in March 1934 at age 9 and resumed with a public-school education. Following high school, she studied sociology at Brooklyn College and earned her BA in 1946. (She was a prize-winning debater in college, a skill that would serve her well throughout her political career.) She continued her education at Columbia University and earned an MA in early childhood education in 1952. While she was still a student at Columbia, she began teaching at a nursery school and married Conrad Chisholm in 1949. They would later divorce in 1977.

4. Her first career was as an educator.

After working at the nursery school, Chisholm worked her way through the teaching ranks and by 1953 was the director of two day care centers, a position she held until 1959. Her expertise and experience led to her role as an educational consultant for New York City’s Division of Day Care from 1959 through 1964.

5. Her political career was revolutionary from the beginning.

Chisholm was a member of the League of Women Voters and the Bedford-Stuyvesant Political League before she ran for the New York State Assembly in 1964. When she won, Chisholm became the second African-American woman to serve on the state legislature. From 1965 to 1968, Chisholm served as a Democratic member and focused on unemployment benefits for domestic workers and education initiatives.

6. Redistricting inspired her run for Congress.

Chisholm with Rosa Parks (L) between 1960 and 1970.
Chisholm with Rosa Parks (L)
Library of Congress

Chisholm set her sights on Congress when redistricting efforts gave Brooklyn a new congressional district. Not one to shy away from the public, Chisholm used to drive through neighborhoods while announcing, “This is fighting Shirley Chisholm coming through.” She defeated three candidates in the primary election, including a state senator, before defeating well-known civil rights activist James Farmer in the general election. This victory made her the first African-American woman elected to Congress, and she would go on to serve seven terms.

7. She had a way with words and established herself as outspoken and ready for change early in her first term.

She was known for her bold declarations. After her upset victory in the congressional election, she boasted, "Just wait, there may be some fireworks." And she delivered on that promise. Given her campaign slogan “Unbought and unbossed,” it should come as no surprise that Chisholm quickly made her presence known in Congress. She spoke out against the Vietnam War within the first few months of her arrival and said she would vote against military spending. When she was initially relegated to the House Agricultural Committee, she requested a new assignment, claiming that she didn’t think she could best serve her Brooklyn constituents from that position.

After directly addressing House Speaker John McCormack on the matter, she was reassigned to Veterans’ Affairs, and then moved to the Education and Labor Committee in 1971. True to her desire to bring about change, Chisholm hired all women for her office, half of whom were African-American. She was also a founding member of the Congressional Black Caucus as well as the National Women’s Political Caucus.

8. Her presidential campaign was unexpected and historic.

Chisholm formally announced her intention to seek the Democratic presidential nomination in January 1972, making her the first African-American to run for a major party and the first woman to vie for the Democratic nomination. During her speech, which she delivered in her hometown of Brooklyn, Chisholm said, "I am not the candidate of black America, although I am black and proud. I am not the candidate of the women's movement of this country, although I am a woman and I am equally proud of that...I am the candidate of the people of America, and my presence before you now symbolizes a new era in American political history."

Although her campaign wasn’t as well-funded as her competitors’, Chisholm did get her name on the primary ballot in 12 states and won 28 delegates in primary elections. She received about 152 delegates at the Democratic National Convention, coming in fourth place for the party.

9. The campaign trail was full of challenges.

Political buttons from the collection of Alix Kates Shulman
Political buttons from the collection of Alix Kates Shulman
Polly Shulman

Chisholm likely expected challenges during her campaign, and she certainly encountered a fair amount. She received multiple threats against her life, including assassination attempts, and was granted Secret Service protection to ensure her safety. Chisholm also had to sue to be included in televised debates.

There was even controversy where there could have been encouragement. Her decision to run for the Democratic nomination caught many members of the Congressional Black Caucus (CBC) off-guard, and they weren’t happy that she acted before a formal and unified decision could be made. But Chisholm was done with waiting; when the subject of the CBC came up on the night she announced her campaign, she told the crowd, “While they’re rapping and snapping, I’m mapping.”

10. She had an unlikely supporter in George Wallace.

Chisholm was well aware that her biggest source of support came from women and minorities and often advocated on their behalf, so it shocked many of her supporters and constituents when she visited political rival George Wallace after an assassination attempt sent him to the hospital—and ultimately left him paralyzed—in 1972. Wallace, who was governor of Alabama, was known for his racist comments and segregationist views, but Chisholm checked on him. She said she never wanted what happened to him to happen to anybody else.

Ultimately, their friendship benefited the public when Wallace came through for Chisholm on an important piece of legislation in 1974. She was working on a bill that would give domestic workers the right to a minimum wage. Wallace convinced enough of his fellow Southern congressmen to vote in favor of the bill, moving it through the House.

11. Following retirement, Chisholm didn’t slow down.

Chisholm retired from Congress in 1982, but leaving the political arena didn’t mean she was done making a difference. Although she planned on spending more time with her second husband, Arthur Hardwick Jr., she also returned to teaching at Mount Holyoke College in Massachusetts and continued to speak at colleges across the country.

Chisholm passed away on January 1, 2005 at age 80 in Ormond Beach, Florida. She is buried in Buffalo, New York, and the inscription on the mausoleum vault in which she is buried reads “Unbought and Unbossed.”

12. She continues to garner accolades for her trailblazing work.

Chisholm was inducted into the National Women’s Hall of Fame in 1993. In 2014, the U.S. Postal Service debuted the Shirley Chisholm Forever Stamp as part of the Black Heritage Series. A year later, President Barack Obama posthumously awarded her the Presidential Medal of Freedom, and now Viola Davis will star in a movie about her life. But Chisholm never doubted what legacy she wanted to leave behind, once saying, “I want history to remember me ... not as the first black woman to have made a bid for the presidency of the United States, but as a black woman who lived in the 20th century and who dared to be herself. I want to be remembered as a catalyst for change in America.”

An earlier version of this article ran in 2017.

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