Samuel Langley’s Aerodrome: Why the Smithsonian’s 1903 Flying Machine Crashed Into the Potomac

On the afternoon of December 8, 1903, a 750-pound tandem-winged aircraft built by the Secretary of the Smithsonian Institution was launched by catapult from a houseboat on the Potomac River. It rose about a foot, broke apart as its rear wings folded under the strain, and dropped into the icy water in front of an audience of reporters who had been brought down from Washington for the show. The pilot, an engineer named Charles M. Manly, was fished out of the river uninjured and freezing. Nine days later, on December 17, two bicycle mechanics from Dayton, Ohio, succeeded at Kitty Hawk, North Carolina, with an aircraft that had cost them roughly $1,000 of their own money. The Smithsonian’s aircraft had cost the United States Army $50,000 and the Smithsonian itself an additional matching sum.

The story of Samuel Pierpont Langley’s Aerodrome A is genuinely instructive — not because it was the “tragic” failure of an underdog, but because it is the textbook case of how an excess of money, prestige, and theoretical confidence can produce a machine that cannot fly. This is what actually happened.

The Aerodromes That Actually Flew

Before the failures, Langley had a real claim to aeronautical credibility. Beginning in the early 1890s, he built a series of unpiloted, steam-powered tandem-winged aircraft he called “Aerodromes” — from Greek words meaning “air-runner.” On May 6, 1896, Aerodrome No. 5 was catapulted from a houseboat on the Potomac and flew unassisted for about 90 seconds, covering roughly half a mile at 25 miles per hour at an altitude of around 80–100 feet, before settling into the water. Aerodrome No. 6 later flew nearly 4,700 feet under similar conditions. These flights were witnessed by, among others, Alexander Graham Bell, and were the first sustained powered flights of heavier-than-air machines anywhere in the world.

The success was real but it was also a trap. Langley’s models had no pilot, no control system, no landing gear, and were launched and recovered from water at small scale. Scaling the same design to carry a 150-pound human was not a matter of multiplying dimensions. It was a substantially different engineering problem.

How the $50,000 Was Approved

By 1898, Langley had convinced himself a manned aircraft was simply a question of money. His friend Charles D. Walcott, director of the US Geological Survey, took the proposal to President William McKinley. A review panel was convened at the Smithsonian in April 1898 — including the then-Assistant Secretary of the Navy, a young Theodore Roosevelt, who declared after seeing the model fly that “the machine has worked.” The Spanish-American War broke out five days into the panel’s deliberations. The military potential of a flying machine suddenly seemed urgent. The Board of Ordnance and Fortification approved a $50,000 grant within a week.

The total project cost, including the Smithsonian’s matching expenditures and engineering overruns, eventually exceeded $70,000 — a figure equivalent to several million dollars today. None of it would produce a flying machine.

The Engine That Was Brilliant and the Airframe That Wasn’t

The single great achievement of the project belongs not to Langley but to his chief engineer, Charles M. Manly. Langley had contracted a New York machinist named Stephen Balzer to build a lightweight gasoline rotary engine. Balzer’s design managed only 8 horsepower, well short of the 12 Langley needed. Manly, working from Balzer’s foundation, redesigned it as a water-cooled five-cylinder radial. By 1903 it produced 52.4 horsepower at 950 rpm and weighed only 124 pounds — a power-to-weight ratio that was, in the National Air and Space Museum’s later assessment, “an amazing achievement” for the period and unmatched by any other aircraft engine for nearly a decade.

The airframe was a different story. The wings were structurally fragile. The fuselage was a long, narrow truss that flexed badly under load. The control system was rudimentary — a cruciform tail and a centrally mounted rudder, with no roll control at all. There was no provision for the pilot to recover from any deviation from straight, level flight, because Langley believed (incorrectly) that inherent stability would solve the control problem on its own. The Wrights, working in obscurity in Dayton, had identified roll control as the central problem of powered flight and had spent three years of gliding experiments at Kitty Hawk solving it through wing-warping. Langley spent his three years building a better engine.

October 7 and December 8, 1903

The first manned attempt took place on October 7, 1903, on the Potomac near Widewater, Virginia. Manly, who had no prior flight experience, sat in a tight enclosure between the engine and the front wing. At Langley’s signal the launch catapult released the Aerodrome down its 70-foot rail. According to Manly’s account, he felt a violent shock at the rail’s end. Either the catapult had snagged a structural member or the airframe had collapsed at the moment of release. The aircraft pitched nose-down and dropped straight into the river. The New York Times headline the next day read “Flying Machine Fiasco“; the Washington Post headline read “Buzzard a Wreck.”

Langley blamed the launch mechanism, repaired the aircraft, and tried again on December 8, 1903. This time the failure was more spectacular. The rear of the aircraft caught on the catapult guideposts during acceleration; under the strain the rear wings folded upward, the tail tore loose, and the entire airframe collapsed in mid-air before falling into the river. Manly was again pulled out unhurt. The press response was savage. Members of Congress called publicly for an investigation of the use of public funds.

Nine days later, on the morning of December 17, 1903, Orville Wright flew the Flyer 120 feet over the sand at Kill Devil Hills, North Carolina, the first of four successful flights that day. The contrast — quiet, methodical brothers with no government money against the Smithsonian’s catapulted catastrophe — was immediate and irreversible.

Glenn Curtiss, the 1914 Modifications, and the Long Feud

Langley never flew again. After the December 1903 failure he abandoned aeronautical work entirely, suffered a stroke in 1905 — compounded by the public revelation that his Smithsonian chief accountant had been embezzling Institution funds — and died on February 27, 1906, aged 71.

The Aerodrome itself was not finished, however. In 1914, in the middle of a bitter patent dispute between the Wright Company and Glenn Curtiss’s aviation business, the Smithsonian — then under Secretary Charles D. Walcott, Langley’s old friend — contracted Curtiss to “test” the salvaged Aerodrome at Hammondsport, New York. Curtiss reduced the wing area, strengthened the airframe, replaced the tail with a conventional design, fitted a different engine, redesigned the propellers along Wright lines, and added floats. The resulting machine made several short hops of a few seconds each over Keuka Lake. The Smithsonian then displayed the rebuilt Aerodrome in its museum with a label calling it the first heavier-than-air machine “capable of free flight.” Orville Wright, by then the surviving brother, sent the original 1903 Flyer to the Science Museum in London in 1928 in protest.

The feud lasted nearly three decades. A 1925 report by the National Advisory Committee for Aeronautics (NACA) effectively rejected the Smithsonian’s claim. In 1942, Smithsonian Secretary Charles G. Abbot finally issued a formal retraction acknowledging that the 1914 tests did not prove the original Aerodrome capable of sustained flight, and recognised the Wright brothers’ 1903 Flyer as “the first powered, heavier-than-air machine to achieve controlled, sustained flight with a pilot aboard.” The Wright Flyer returned to the United States in 1948 and was dedicated at the Smithsonian on the 45th anniversary of Kitty Hawk. The original 1903 Aerodrome is today displayed at the National Air and Space Museum’s Steven F. Udvar-Hazy Center in Chantilly, Virginia.

What Most Accounts Get Wrong

Popular retellings often frame Langley’s failure as either bad luck or sabotage by the launch mechanism — the explanation Langley himself preferred. The historical record does not support either reading. The 1903 Aerodrome A was, in the National Air and Space Museum’s own current assessment, “an overly complex, structurally weak, aerodynamically unsound aircraft.” It had no working control system. Its airframe could not survive the loads of launch, let alone of sustained flight in real wind. The engine was excellent; the rest of the machine could not have flown even if the catapult had behaved perfectly.

The instructive contrast is not between a genius (Langley) and a luckier amateur (the Wrights). It is between a project that began with a generous budget and an assumption that scale would solve everything, and a project that began with no budget and the assumption that control was the unsolved problem. The Wrights spent 1900–1902 at Kitty Hawk flying unpowered gliders to teach themselves the physics of three-axis control. Langley spent 1898–1903 building a bigger engine. Only one of those approaches produced a flyable aircraft.

Why It Still Matters

The aviation engineering profession learned a real lesson from the Aerodrome: build for the control problem first, the power problem second. The lesson recurs throughout the early history of aviation, and it is part of why aeronautical research in the United States eventually consolidated around government-funded laboratories that emphasised systematic, iterative testing of fundamentals. The Langley Memorial Aeronautical Laboratory — opened in Hampton, Virginia, in 1917 by NACA and renamed NASA Langley Research Center in 1958 — was named after him. The naming was generous; the laboratory’s actual practices were a deliberate rejection of how he had worked.

For more on related aviation history, see our piece on the Wright brothers’ near-failure.

Frequently Asked Questions

Who was Samuel Langley?

Samuel Pierpont Langley (1834–1906) was an American astronomer, aeronautical pioneer, and the third Secretary of the Smithsonian Institution (1887–1906). He successfully flew unpiloted, steam-powered aircraft over the Potomac in 1896, and from 1898 to 1903 led the federally funded effort to build a full-sized, piloted flying machine that ultimately crashed twice in 1903.

How much did the US government pay for the Langley Aerodrome?

The US War Department’s Board of Ordnance and Fortification awarded Langley a $50,000 grant in April 1898, with the Smithsonian Institution providing matching funds. Total project costs eventually exceeded $70,000 — equivalent to several million dollars today.

When did the Aerodrome crash?

The full-sized Aerodrome A was launched from a houseboat on the Potomac River, near Widewater, Virginia, on two occasions in 1903. On October 7, 1903, it dropped straight into the river immediately after launch. On December 8, 1903, it broke apart as the catapult released it and again fell into the river. Pilot Charles M. Manly survived both attempts uninjured.

Why did the Aerodrome fail when it had such a powerful engine?

The 52-horsepower radial engine designed by Charles M. Manly was an outstanding piece of engineering — about four times more powerful than the Wright brothers’ 1903 engine. The Aerodrome’s failures were not in propulsion but in structure and control. The airframe was structurally too weak to survive launch loads, and the aircraft had no roll control system, which the Wright brothers had identified as the central unsolved problem of powered flight.

Did the Langley Aerodrome ever fly?

No piloted version flew during Langley’s lifetime. In 1914, the Smithsonian commissioned aviation pioneer Glenn Curtiss to extensively modify the wrecked Aerodrome — reducing the wing area, strengthening the airframe, replacing the tail, fitting a different engine, and adding floats — and Curtiss made several brief hops of a few seconds each over Keuka Lake at Hammondsport, New York. The Smithsonian’s subsequent claim that the original Aerodrome was capable of flight was retracted in 1942.

Where is the Aerodrome today?

The original 1903 Langley Aerodrome A, restored to its 1903 configuration after the Curtiss modifications, is displayed at the National Air and Space Museum’s Steven F. Udvar-Hazy Center in Chantilly, Virginia.

Sources

1. Smithsonian National Air and Space Museum — Langley Aerodrome A (collection record)
2. Linda Hall Library — Langley’s Aerodrome
3. Boundary Stones (WETA) — “The Langley Aerodrome and the Race to Fly”
4. Langley Flight Foundation — Manned Flight
5. Charles M. Manly, Langley Memoir on Mechanical Flight, Part II, 1897 to 1903, Smithsonian Contributions to Knowledge, vol. 27, no. 3 (Smithsonian Institution, 1911)
6. Tom D. Crouch, A Dream of Wings: Americans and the Airplane, 1875–1905 (W. W. Norton, 1981)
7. Fred Howard, Wilbur and Orville: A Biography of the Wright Brothers (Knopf, 1987)
8. Tom D. Crouch, The Bishop’s Boys: A Life of Wilbur and Orville Wright (W. W. Norton, 1989)