Tag Archives: Fokker F.IV

2–3 May 1923

Lieutenants John A. Macready and Oakley G. Kelly with their Fokker T-2. (NASM)
Captain John A. Macready, Air Service, United States Army. (U.S. Air force)

2–3 May 1923: Air Service, United States Army, pilots Lieutenant John Arthur Macready and Lieutenant Oakley George Kelly made the first non-stop transcontinental flight. Their airplane was a Nederlandse Vliegtuigenfabriek Fokker T-2 single-engine monoplane, U.S. Army serial number A.S. 64233.

The two aviators took off from Roosevelt-Hazelhurst Field, Long Island, New York, at 12:30 p.m., Eastern Time, and landed at Rockwell Field (now, NAS North Island), San Diego, California, the next day at 12:26 p.m., Pacific Time. They had flown 2,470 miles (3,975 kilometers) in 26 hours, 50 minutes, 38.8 seconds, for an average speed of 91.996 miles per hour (148.053 kilometers per hour).

Macready and Kelly had made two previous attempts, flying West-to-East to take advantage of prevailing winds and the higher octane gasoline available in California. The first flight was terminated by weather, and the second by engine failure.

Fokker T-2 A.S. 64233 (FAI)
Fokker T-2 A.S. 64233 (FAI)

The Fokker F.IV was built by Anthony Fokker’s Nederlandse Vliegtuigenfabriek at Veere, Netherlands, in 1921. The Air Service purchased two and designated the type T-2, with serial numbers A.S. 64233 and A.S. 64234.

Several modifications were made to prepare the T-2 for the transcontinental flight. Normally flown by a single pilot in an open cockpit, a second set of controls was installed so that the airplane could be controlled from inside while the two pilots changed positions. Additional fuel tanks were installed in the wing and cabin.

Fokker T-2 A.S. 64223. (Sally M. Macready Foundation Collection/NASM)

The Fokker F.IV was a single-engine, high-wing monoplane with fixed landing gear. It was flown by a single pilot in an open cockpit which was offset to the left of the airplane’s centerline. The airplane was designed to carry 8–10 passengers in an enclosed cabin. The F.IV was a scaled-up version of the preceding F.III. It was built of a welded tubular steel fuselage, covered with three-ply plywood. The wing structure had plywood box spars and ribs, and was also covered with three-ply plywood.

For its time, the Fokker was a large airplane. Measurements from the Fokker T-2 at the Smithsonian Institution are: 49 feet, 10 inches (15.189 meters) long, with a wing span of 80 feet, 5 inches (24.511 meters), and height 12 feet, 2 inches (3.708 meters). On this flight, it carried 735 gallons (2,782 liters) of gasoline in three fuel tanks. When it took off from Long Island, the gross weight of the T-2 was 10,850 pounds (4,922 kilograms), only a few pounds short of its maximum design weight.

Fokker T-2, A.S. 64223. (The biplane is a Verville-Sperry M-1.) (Harris & Ewing)

The Fokker F.IV was offered with a choice of engines: A Rolls-Royce Eagle IX V-12, Napier Lion II “broad arrow” W-12, or Liberty L-12 V-12. The T-2 was powered by a water-cooled, normally-aspirated, 1,649.336-cubic-inch-displacement (27.028 liter) Ford-built Liberty L-12 single overhead cam (SOHC) 45° V-12 engine with a compression ratio of 5.4:1. (Serial number A.S. No. 5142) The Liberty produced 408 horsepower at 1,800 r.p.m. The L-12 as a right-hand tractor, direct-drive engine. Installed on A.S. 64233, the engine turned turned a two-bladed Curtiss fixed-pitch walnut propeller with a diameter of 10 feet, 5 inches (3.175 meters). The Liberty 12 was 5 feet, 7.375 inches (1.711 meters) long, 2 feet, 3.0 inches (0.686 meters) wide, and 3 feet, 5.5 inches (1.054 meters) high. It weighed 844 pounds (383 kilograms).

Lieutenant Oakley G. Kelly, U.S. Army Air Service (FAI)
First Lieutenant Oakley G. Kelly, U.S. Army Air Service (FAI)

John Macready and Oakley Kelley won the 1923 Mackay Trophy for this flight. Macready had previously won the award in 1921 and 1922. He is the only pilot to have won it three times.

During testing to determine the feasibility of the flight, on 16–17 April 1923, Lieutenant Kelly and Lieutenant Macready set six Fédération Aéronautique Internationale (FAI) World Records for speed, distance and duration, flying the Fokker T-2. At Wilbur Wright Field, Dayton, Ohio, they flew 2,500 kilometers (1,553.428 miles) at an average speed of 115.60 kilometers per hour (51.83 miles per hour); 3,000 kilometers (1,864.114 miles) at 115.27 kilometers per hour (71.63 miles per hour); 3,500 kilometers (2,174.799 miles) at 114.82 kilometers per hour (71.35 miles per hour); 4,000 kilometers (2,485.485 miles) at 113.93 kilometers per hour (70.79 miles per hour); flew a total distance of 4,050 kilometers (2,517 miles); and stayed aloft for 36 hours, 4 minutes, 34 seconds. Their overall average speed was 112.26 kilometers per hour (69.76 miles per hour) seconds.

The United States Army transferred Fokker T-2 A.S. 64223, to the Smithsonian Institution in January 1924. It is on display at the National Air and Space Museum.

U.S. Army Air Service Fokker T-2, A.S. 64223, on display at the Smithsonian Institution, National Air and Space Museum. (NASM)

© 2019, Bryan R. Swopes

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16–17 April 1923

Lieutenants Oakland G. Kelly and John A. MacReady with the fuel drums for their duration flight in front of the Fokker T-2, A.S. 64233. (U.S. Air Force)
Lieutenants Oakland G. Kelly and John A. Macready with the fuel drums for their duration flight in front of the Fokker T-2, A.S. 64233. (U.S. Air Force)

16–17 April 1923: At Wilbur Wright Field, Dayton, Ohio, U.S. Army Air Service pilots Lieutenant Oakland George Kelly and Lieutenant John Arthur Macready set six Fédération Aéronautique Internationale (FAI) World Records for speed, distance and duration, flying the Nederlandse Vliegtuigenfabriek Fokker T-2, serial number A.S. 64233, which they planned to fly non-stop across the United States of America.

They flew 2,500 kilometers (1,553.428 miles) at an average speed of 115.60 kilometers per hour (51.83 miles per hour);¹ 3,000 kilometers (1,864.114 miles) at 115.27 kilometers per hour (71.63 miles per hour);² 3,500 kilometers (2,174.799 miles) at 114.82 kilometers per hour (71.35 miles per hour);³ 4,000 kilometers (2,485.485 miles) at 113.93 kilometers per hour (70.79 miles per hour);⁴ flew a total distance of 4,050 kilometers (2,517 miles);⁵ and stayed aloft for 36 hours, 4 minutes, 34 seconds.⁶ Their overall average speed was 112.26 kilometers per hour (69.76 miles per hour).

Lieutenant Oakley G. Kelly (FAI)
Lieutenant Oakley George Kelly, U.S. Army Air Service. (FAI)
Lt. John A. Macready, Air Service, U.S. Army Signal Corps
Lieutenant John A. Macready, U.S. Army Air Service

The Fokker F.IV was built by Anthony Fokker’s Nederlandse Vliegtuigenfabriek at Veere, Netherlands in 1921. The Air Service purchased two and designated the type T-2, with serial numbers A.S. 64233 and A.S. 64234.

Several modifications were made to prepare for the transcontinental flight. Normally flown by a single pilot in an open cockpit, a second set of controls was installed so that the airplane could be controlled from inside while the two pilots changed positions. On this flight, it carried 735 gallons (2,782 liters) of gasoline in three fuel tanks.

For its time, the Fokker was a large airplane: 49 feet (14.9 meters) long, with a wing span of 82 feet (25 meters). The high-wing monoplane was powered by a 1,649.3-cubic-inch-displacement (27.028 liter) liquid-cooled Liberty L12 single overhead cam (SOHC) 45° V-12 engine producing 420 horsepower. The airplane was designed to carry 8–10 passengers in an enclosed cabin.

The second Fokker T-2, A.S. 64234, also designated A-2 (ambulance). (U.S. Air Force)
The second Fokker T-2, A.S. 64234, also designated A-2 (ambulance). (U.S. Air Force)

From 2–3 May 1923, MacReady and Kelly succeeded in their non-stop transcontinental flight, flying from Roosevelt-Hazelhurst Field, Long Island, New York, to Rockwell Field (now, NAS North Island), San Diego, California,  2,470 miles (3,975 kilometers) in 26 hours, 50 minutes, 38.8 seconds, for an average speed of 92 miles per hour (148 kilometers per hour).

The U.S. Army Air Service transferred A.S. 64223 to the Smithsonian Institution in January 1924. It is on display at the National Air and Space Museum.

Fokker T-2, A.S. 64233 at Wright Field, Dayton, Ohio, 1923. (FAI)
Fokker T-2, A.S. 64233 at Wright Field, Dayton, Ohio, 1923. (FAI)

¹ FAI Record File Number 9312

² FAI Record File Number 9313

³ FAI Record File Number 9314

⁴ FAI Record File Number 9315

⁵ FAI Record File Number 9316

⁶ FAI Record File Number 9317

© 2019, Bryan R. Swopes

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5–6 October 1922

Lieutenants John A. Macready and Oakley G. Kelly with their Fokker T-2. (NASM)

5–6 October 1922: Lieutenants John Arthur Macready and Oakley George Kelly, Air Service, United States Army, set an unofficial world endurance record for an unrefueled airplane when they flew a Fokker T-2, Air Service serial number A.S. 64233, for 35 hours, 18 minutes, 30 seconds at San Diego, California.

The Fokker F.IV was built by Anthony Fokker’s Nederlandse Vliegtuigenfabriek at Veere, Netherlands, in 1921. The Air Service purchased two and designated the type T-2, with serial numbers A.S. 64233 and A.S. 64234.

Several modifications were made to prepare the T-2 for the transcontinental flight. Normally flown by a single pilot in an open cockpit, a second set of controls was installed so that the airplane could be controlled from inside while the two pilots changed positions. The standard airplane had a 130 gallon (492 liter) fuel tank in the wing. The Army added a 410 gallon (1,552 liter) tank to the wing center section, and a 185 gallon (700 liter) tank in the passenger cabin.

The Fokker F.IV was a single-engine, high-wing monoplane with fixed landing gear. It was flown by a single pilot in an open cockpit which was offset to the left of the airplane’s centerline. The airplane was designed to carry 8–10 passengers in an enclosed cabin. The F.IV was a scaled-up version of the preceding F.III. It was built of a welded tubular steel fuselage, covered with three-ply plywood. The wing structure had plywood box spars and ribs, and was also covered with three-ply plywood.

For its time, the Fokker was a large airplane. Measurements from the Fokker T-2 at the Smithsonian Institution are: 49 feet, 10 inches (15.189 meters) long, with a wing span of 80 feet, 5 inches (24.511 meters), and height 12 feet, 2 inches (3.708 meters). On this flight, it carried 735 gallons (2,782 liters) of gasoline in three fuel tanks.

The Fokker F.IV was offered with a choice of engines: A Rolls-Royce Eagle IX V-12, Napier Lion II “broad arrow” W-12, or Liberty L-12 V-12. The T-2 was powered by a water-cooled, normally-aspirated, 1,649.336-cubic-inch-displacement (27.028 liter) Ford-built Liberty L-12 single overhead cam (SOHC) 45° V-12 engine with a compression ratio of 5.4:1. (Serial number A.S. No. 5142) The Liberty produced 408 horsepower at 1,800 r.p.m. The L-12 as a right-hand tractor, direct-drive engine. Installed on A.S. 64233, the engine turned turned a two-bladed Curtiss fixed-pitch walnut propeller with a diameter of 10 feet, 5 inches (3.175 meters). The Liberty 12 was 5 feet, 7.375 inches (1.711 meters) long, 2 feet, 3.0 inches (0.686 meters) wide, and 3 feet, 5.5 inches (1.054 meters) high. It weighed 844 pounds (383 kilograms).

The airplane had a maximum speed of 93 miles per hour (150 kilometers per hour), a range of 2,550 miles (4,104 kilometers) and a service ceiling of 10,500 feet (3,200 meters).

Several modifications were made to prepare the T-2 for a transcontinental flight. Normally flown by a single pilot in an open cockpit, a second set of controls was installed so that the airplane could be controlled from inside while the two pilots changed positions. The standard airplane had a 130 gallon (492 liter) fuel tank in the wing. The Army added a 410 gallon (1,552 liter) tank to the wing center section, and a 185 gallon (700 liter) tank in the passenger cabin.

Lieutenants John Macready and Oakley Kelly with Fokker T-2, A.S. 64233. The fuel barrels and containers represent the fuel required for the airplane to cross the content non-stop. (San Diego Air and Space Museum)
Lieutenants John Macready and Oakley Kelly with Fokker T-2, A.S. 64233. The fuel barrels and containers represent the fuel required for the airplane to cross the continent non-stop. (San Diego Air and Space Museum Archive)

Macready and Oakley planned to fly the T-2 across the North American continent, non-stop, from San Diego, California to New York. The starting point at Rockwell Field was chosen to take advantage of favorable westerly winds, and to use the higher-octane gasoline which was available in California.

Fokker T-2 A.S. 64223 in flight over Rockwell Field, San Diego, California. (This is now NAS North Island.) (San Diego Air and Space Museum)
Fokker T-2 A.S. 64233 in flight over Rockwell Field, San Diego, California. (San Diego Air and Space Museum)

When they encountered fog in the mountains east of San Diego, the two fliers were forced to turn back. They remained airborne over San Diego to measure the airplane’s performance and fuel consumption for another attempt. Because the airplane was not equipped with a barograph to record air pressure on a paper chart, the record endurance flight could not be officially recognized by the Fédération Aéronautique Internationale (FAI). They were awarded the Mackay Trophy for the most meritorious flight of the year. This was Macready’s second Mackay. He and Kelly would win it again the following year.

Macready and Oakley made a second unsuccessful attempt to cross the continent from west-to-east, and were finally successful on an east-to-west flight in 1923.

Fokker T-2 A.S. 64233 is in the permanent collection of the Smithsonian Institution National Air and Space Museum.

Fokker T-2, A.S. 64233, in flight, from above, left front quarter view, circa 1922–23. (Dutch Aviation)
Fokker T-2, A.S. 64233, in flight, from above, left front quarter view, circa 1922–23. (Dutch Aviation)

© 2018, Bryan R. Swopes

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