13 July 1919: The Royal Air Force rigid airship R 34 completed its two-way crossing of the Atlantic Ocean and at 6:57 a.m. landed at Pulham Airship Station, Norfolk, United Kingdom. The airship was under the command of Major George Herbert Scott, A.F.C., R.A.F. The total complement, including passengers, was 30 persons.
The return flight from Mineola, Long Island, New York took 73 hours, 3 minutes. According to records of the Fédération Aéronautique Internationale, the distance flown by R 34 on the return flight was 6,138 kilometers (3,814 miles).
This was the first “double crossing” by an aircraft. The round trip flight began at East Fortune Airship Station near Edinburgh, Scotland, on 2 July. The East-to-West crossing took 108 hours, 12 minutes.
Major Scott was appointed Commander of the Most Excellent Order of the British Empire.
During the return flight on of the airship’s five engines suffered a broken connecting rod which damaged the cylinder block. It could not be repaired.
R 34 was based on extensive study of the captured German Zeppelin, L-33. It was built for the Royal Naval Air Service by William Beardmore and Company, Inchinnan, Renfrewshire, Scotland, but with the end of World War I, the RNAS and Royal Flying Corps were merged to become the Royal Air Force. 643 feet long (196 meters), with a maximum diameter of 78 feet, 9 inches (24 meters), the dirigible had a total volume of 1,950,000 cubic feet (55,218 cubic meters). The airship had a light weight metal structure covered with doped fabric. Buoyancy was provided by 55,185 cubic meters (1,948,840 cubic feet) of gaseous hydrogen contained in 19 gas bags inside the airship’s envelope. R 34 had a gross lift capacity of 59 tons. Useful lift was 58,240 pounds (26,417 kilograms).
The airship was powered by five water-cooled, normally-aspirated, 15.395-liter (989.483-cubic-inch-displacement) Sunbeam Maori Mk.IV dual overhead cam (DOHC) 60° V-12 engines with four valves per cylinder. The Mk.IV’s cylinder bore had been increased from 100 millimeters to 110 millimeters (3.94 to 4.33 inches), resulting in a larger displacement than previous Maori variants. The Maori Mk.IV was a direct-drive engine which produced 275 horsepower at 2,000 r.p.m. Each engine turned a two-bladed, 17 foot diameter (5.182 meter) propellers through a remote gearbox with a 0.257:1 reduction. The two wing engines were equipped with reversible gearboxes. With the engines turning 1,800 r.p.m., the R 34 had a cruising speed of 47 knots (54 miles per hour/87 kilometers per hour) and consumed 65 gallons (246 liters) of fuel per hour.
2–6 July 1919: Two weeks after Alcock and Brown made the first non-stop transatlantic airplane flight, the Royal Air Force rigid airship R 34 landed at Mineola, Long Island, New York, completing the first east-to-west Atlantic crossing by air. The airship was under the command of Major George Herbert Scott, A.F.C., R.A.F. The total complement, including passengers, was 30 persons.
The 108 hour, 12 minute flight started from East Fortune Airship Station near Edinburgh, Scotland at 2:38 a.m., British Summer Time (1:38 a.m., Greenwich mean time) on Wednesday, 2 July. R 34 arrived at Mineola at 9:54 a.m. Eastern Daylight Savings Time (1:54 p.m. G.M.T.) on Sunday, 6 July. According to records of the Fédération Aéronautique Internationale, the distance flown by R 34 was 5,797 kilometers (3,602 miles). On arrival, the airship had only 40 minutes of fuel remaining.
R 34 was based on extensive study of the captured German Zeppelin, L-33. It was built for the Royal Naval Air Service ¹ by William Beardmore and Company, Inchinnan, Renfrewshire, Scotland. 643 feet long (196 meters), with a maximum diameter of 78 feet, 9 inches (24 meters), the dirigible had a total volume of 1,950,000 cubic feet (55,218 cubic meters). The airship had a light weight metal structure covered with doped fabric. Buoyancy was provided by 55,185 cubic meters (1,948,840 cubic feet) of gaseous hydrogen contained in 19 gas bags inside the airship’s envelope. R 34 had a gross lift capacity of 59 tons. Useful lift was 58,240 pounds (26,417 kilograms).
The airship was powered by five water-cooled, normally-aspirated, 15.395-liter (989.483-cubic-inch-displacement) Sunbeam Maori Mk.IV dual overhead cam (DOHC) 60° V-12 engines with four valves per cylinder. The Mk.IV’s cylinder bore had been increased from 100 millimeters to 110 millimeters (3.94 to 4.33 inches), resulting in a larger displacement than previous Maori variants. The Maori Mk.IV was a direct-drive engine which produced 275 horsepower at 2,000 r.p.m. Each engine turned a two-bladed, 17 foot diameter (5.182 meter) propeller through a remote gearbox with a 0.257:1 reduction. The two wing engines were equipped with reversible gearboxes. With the engines turning 1,800 r.p.m., the R 34 had a cruising speed of 47 knots (54 miles per hour/87 kilometers per hour) and consumed 65 gallons (246 liters) of fuel per hour.
R 34 made the return flight to England, 10–13 July 1919, in 75 hours, 3 minutes.
Major Scott was appointed Commander of the Most Excellent Order of the British Empire.
CENTRAL CHANCERY OF THE ORDERS OF KNIGHTHOOD.
St. James’s Palace, S.W. 1,
23rd August 1919.
The KING has been graciously pleased to give orders for the following appointment to the Most Excellent Order of the British Empire, in recognition of distinguished services to Aviation. :—
To be a Commander of the Military Division of the Said Most Excellent Order :—
Major George Herbert Scott, A.F.C., Royal Air Force, Commander of H.M. Airship R/34 on the outward voyage to the United States of America and and also on the homeward journey.
Colonel (A./Brig.-Genl.) Edwards Maitland Maitland, C.M.G., D.S.O., Capt. (A./Major) Gilbert George Herbert Cooke, D.S.C., Lieutenant Guy Harris and 2nd Lieutenant John Durham Shotter were each awarded the Air Force Cross.
The Air Force Medal was awarded to Flight-Sergeant William Rose Gent, Sergt.-Maj. II. Walter Robert Mayes, D.S.M., Flight-Sergeant Walter James Robinson, Flight-Sergeant Reginald William Ripley, Flight-Sergeant Norman Albert Scull, and Sergeant Herbert Murray Watson, D.S.M.
¹ On 1 April 1918, the Royal Naval Air Service and the Royal Flying Corps were combined to form the Royal Air Force.
26 May 1909: The creation of Count Ferdinand von Zeppelin, the rigid airship LZ-5 made its first flight at Lake Constance (Bodensee).
This was an experimental airship, 442 feet (136 meters) long, with a diameter of 42 feet (13 meters). Powered by two Daimler engines producing 105 horsepower each, it was capable of 30 miles per hour. The structure of the airship was a framework built of a light alloy covered with a fabric skin. Buoyancy was provided by hydrogen gas stored inside the envelope.
LZ-5 was purchased by the army and renamed ZII. It was destroyed in a storm 24 April 1910.
11–14 May 1926: The famed Norwegian arctic explorer, Roald Engelbregt Gravning Amundsen, departed Ny-Ålesund, Svalbard, Norway, aboard the semi-rigid airship Norge.
The airship had been designed by Colonel Umberto Nobile and built at the Italian State Airship Factory at Rome, originally named simply N1. In discussions between Amundsen and Nobile, it was determined that N1 was not suitable for an arctic flight. Amundsen didn’t want to wait for a new lighter-than-air craft to be be built, so Nobile modified it. Amundsen purchased N1 and re-named it Norge.
According to an article in the 20 March 1924 edition of Flight, the airship was 106 meters (347 feet, 8 inches) in length, 26 meters (85 feet, 3 inches) in height, with a maximum diameter of 19.5 meters (64 feet). Buoyancy was provided by 19,000 cubic meters (670,700 cubic feet) of hydrogen. The airship had a useful load of 10,850 kilograms (10.5 tons). Its maximum speed was 100 kilometers per hour (62 miles per hour).
Norge was propelled by three water-cooled, normally-aspirated 23.093 liter (1,409.225 cubic inch) Maybach-Motorenbau GmbH Mb.IV inline six-cylinder overhead valve (OHV) engines with four valves per cylinder and a compression ratio of 6.88:1. The engine was able to produce 240 pferdstarke (236.7 horsepower) at 1,400 r.p.m. The engines were placed in gondolas suspended by cables under the hull, and drove propellers through a clutch. A reverse gear was available.
With a 16-man expedition and Umberto Nobile as pilot, Amundsen departed Ny-Ålesund at 9:55 a.m., enroute to Nome, Alaska, via the North Pole. Norge arrived at the Pole at 1:25 a.m. GMT, 12 May, and descending to an altitude of 300 feet (91 meters), dropped three flags, Norwegian, Italian and American, then proceeded south to Alaska. The explorers arrived at Teller at 3:30 a.m., 14 May, and due to adverse weather conditions, ended their flight at that location. Norge had covered 3,393 miles (5,460.5 kilometers).
Amundsen’s flight began just two days after that of Richard E. Byrd and Floyd Bennett aboard their Fokker F.VII/3m, Josephine Ford. Byrd’s flight has been the subject of some controversy as to whether they actually had arrived at the North Pole. The flight of Norge is undisputed.
12 May 1902: Aeronaut Augusto Severo de Albuquerque Maranhão and engineer Georges Saché lifted off aboard the semi-rigid airship Pax, which Severo had designed, at Vaugirard, Paris.
This was Severo’s second airship. He had designed and built a larger craft, Bartolomeu de Gusmão, eight years earlier in Brazil. It had been destroyed by gusty winds. After raising enough money to build a new ship, he went to Paris, France. His new airship was a semi-rigid keel-and-girder type. The envelope was silk but it was given some rigidity by a structure of bamboo.
The craft was approximately 30 meters (98.4 feet) long and 12.4 meters (40.7 feet) in diameter. The volume of the hydrogen gas used for buoyancy was about 2,330 cubic meters (82,283 cubic feet). A gondola was suspended below.
Though he had planned to power the craft with electric motors and batteries, time and money forced Severo to substitute internal combustion engines. Pax was propelled by two Société Buchet engines, with a 24-horsepower engine driving a 6 meter (19.7 feet), two-bladed propeller in a pusher configuration at the rear, and a second, 16 horsepower engine driving a 5 meter (16.4 feet) propeller in tractor configuration at the front of the airship. The propellers turned at 50 r.p.m.
Augusto Severo had designed both of his airships with a new method which increased their stability in flight. The gondola, rather than being suspended by ropes or cables, was rigidly attached to the envelope above with a structure of bamboo. This structure continued inside the envelope from front to rear and formed a trapezoid. This prevented the oscillation that was common with a more flexible arrangement.
Very early on the morning of 12 May 1902, Augusto Severo took his new airship on its first flight. It soon reached approximately 1,200 feet (365 meters). It then exploded, caught fire and fell to the ground near Monteparnasse Cemetery. The descent took approximately 8 seconds. Both men were killed.
A contemporary newspaper article reported the accident:
M. SEVERO AND HIS ASSISTANT KILLED.
TERRIBLE SCENE IN MID-AIR
At an early hour one morning recently all Paris was startled by the report that M. Severo, the Brazilian deputy, and his assistant, M. Sachet, had been killed while making an excursion in the steerable balloon Pax.
M. Severo and his mechanician left the balloon shed, which is behind the Montparnasse Railway Station, at half-past five in the morning in the Pax. The Brazilian, in his eagerness to make the free ascent, had slept alongside the balloon for the last few nights, waiting until the weather should be entirely propitious.
At daybreak he decided that the favourable moment had arrived. Workmen were hastily summoned, the last preparations completed, and the motors started. The Pax left the shed of M. Lachambre for her first free voyage in the air.
The Brazilian deputy, who was naturally of a gay and genial temperament, was delighted with the ideal morning. He and M. Sachet got the machinery ready, while M. Lachambre and his assistants held on the guide-rope, until Pax should be clear of the surroundings.
As M. Severo cried “Let go!” amid much fluttering of handkerchiefs the Pax rose quietly and steadily, and the calm, blue sky seemed to promise a pleasant excursion.
For the first few minutes all went well, and the motors seemed to be working satisfactorily. The airship answered the helm readily and admiring exclamations rose from the crowd. “Let’s follow her,” cried those on bicycles and motor-cars, and immediately a mad race commenced in the direction taken by the balloon.
But as the Pax rose higher she was seen to fall off from the wind, while the aeronaut could be seen vainly endeavouring to keep her head on.
Then M. Severo commenced throwing out ballast, and M. Lachambre, anxiously watching the balloon from his premises remarked that something had evidently gone wrong.
THE AIRSHIP IN FLAMES.
All this time the Pax was gradually soaring higher and higher, until, just as the balloon was over the Montparasse cemetery, at the height of probably 2000ft, a sheet of flame was seen to shoot up from one of the motors, and instantly the immense silk envelope, containing 9000 cubic feet of hydrogen gas, was enveloped in leaping tongues of fire.
The aeronauts were distinctly seen to be gesticulating despairingly, but no mortal aid could reach them.
As soon as the flames came in contact with the gas, a tremendous explosion followed, an din an instant all that was left of the beautiful airship fell with lightning swiftness to the earth.
“I shall never be able to forget the awful sight,” said a spectator; “it made me dizzy, and I was compelled to turn my head away. When I looked again everything had disappeared, and all the people in the street were running towards the spot where the balloon had fallen.
“When I reached the Avenue du Maine the Pax, mangled beyond description, was lying across the street almost at the corner of the Rie de la Gaite, and the two ill-fated passengers lay dead amid the ruins. M. Severo had fallen on his feet. The upper part of his face was uninjured, but blood was flowing from his mouth an dears. The lower part of his body was crushed and horribly mutilated.
“Near him was Sachet, who had fallen on his face, which was dreadfully burned and congested. His hands, and, in fact, his whole body were covered with blisters where he had been burned, and he had also sustained several fractures. It was a gruesome sight, and it must have been a fearful death.”
A TERRIFIC REPORT.
“The noise of the explosion,” declared one spectator, “made me jump out of bed. I thought of Martinique and wondered if out turn had come, and when I ran to the window, there were two men lying, crushed beneath the remainder of the balloon.”
Another bystander told how Mme. Severo, wife of the aeronaut, whom he had laughingly kissed only twenty minutes before he met his death, fell unconscious to the ground as she witnessed the calamity which overtook her husband.
Poor woman! He had embarked his all in the airship which carried him to his death, and now she is left with seven children and no resources.
M. SANTOS DUMONT’S OPINION.
“I cannot tell you how very sorry I feel at what has happened, ” says M. Santos Dumont, “but I am not greatly surprised. M. Severo did not know anything about airships. He had only been up once or twice in his balloon, and was quite incapable of managing it. The fact that he commenced throwing out ballast when the balloon was going up showed how little he knew.
“Then his escape-valve was only about three yards from the motor, and my opinion is that, as in going up the balloon dilates and the gas must escape through the valve, in so escaping it came in contact with the motor, which was far too near the balloon, and that caused the explosion. Or if the valve did not work, the balloon may have burst and the gas immediately took fire; but a balloon must be built very stupidly to catch fire.
“From the construction of the Pax, however, it seems to me as if it had been made on purpose to kill somebody.”
M. Severo was thirty-eight years old and a member of the Brazilian Parliament. After the catastrophe his watch was found flattened in his waistcoat pocket. It had stopped at 5.40 a.m., the moment of the accident. The body will be taken to Rio Janeiro for interment. His fellow victim, the mechanic Sachet, was only twenty-five years of age and unmarried.
The balloon which began and ended its career in disaster was cigar-shaped, 100ft long, and 36ft in diameter. It was driven by screw fore and aft.
— The Star, Christchurch, New Zealand, Monday 30 June 1902, No. 7411, Page 2, Column 7. (The photographic images are from other sources and were not a part of the newspaper article.)