The first of two prototypes, Avro Type 698 VX770. (BAE Systems)
20 September 1958: The first prototype Avro Vulcan strategic bomber, VX770, piloted by Rolls-Royce test pilot Keith Roland Sturt, was on a test flight from the Rolls-Royce Flight Test Establishment, RAF Hucknall, when it diverted to make a scheduled fly-past for an air show being held at RAF Syerston in Nottinghamshire. Also aboard were Co-Pilot Ronald W. Ward of Fairey Aviation; Rolls-Royce Flight Engineer William E. Howkins; and Navigator, Flight Lieutenant Raymond M. (“Polly”) Parrott, Royal Air Force.
VX770 approched RAF Syerstone at 12:57 p.m. (GMT) and flew east along Runway 07–25 at about 250 feet (76 meters). As the Vulcan passed the control tower at an estimated speed of 350 knots, it began a right turn.
Seen from below, VX770 shows the full delta wing of the prototypes. Production aircraft used a modified wing with curved leading edges in order to delay compressibility effects at high speeds. (Unattributed)
Witnesses saw a “kink” form in the leading edge of the Vulcan’s right wing, which then began to disintegrate from the leading edge aft. Wing surface panels could be seen being stripped off before the wing spar failed completely. Clouds of fuel from ruptured tanks trailed as the bomber rolled to the left. The top of the vertical fin came off, the nose pitched upward toward vertical, then straight down, and with both wings on fire, the airplane crashed near the east end of the runway.
All four crew members were killed, as were three RAF fire/rescue personnel on the ground. Several others were injured.
A short video clip of the fly-by and crash can be seen on You Tube:
The cause of the Vulcan’s wing failure was not determined. Metal fatigue was suspected. The airplane had been used in flight testing for six years and it is possible that it’s design limits may have been exceeded during that period. There was also speculation that vibrations from the new Rolls-Royce Conway “bypass turbojet” engine, which is now called a turbofan, may have weakened the wing.
According to the investigative report, Keith Sturt was considered to be an “above average” and “capable and careful” pilot. He had accumulated 1,644 hours of flight time over six years. He had flown VX770 for 91 hours, 40 minutes. Sturt was a former Flight Lieutenant of the Royal Air Force, having been inducted into the service in 1945.
VX770 was the first of two Type 698 prototypes built by A.V. Roe & Co., Ltd., at Woodford, Cheshire. It made its first flight 30 August 1951 with Chief Test Pilot R.J. “Roly” Falk. Originally equipped with Rolls-Royce Avon R.A.3 turbojet engines, these were soon replaced with more powerful Armstrong Siddely Sapphire A.S.Sa.6 engines. During modification in 1953, fuel cells were added to the wings. As production airplanes were built with Bristol Olympus Mk.102 engines, VX770 was modified accordingly. During its final flight, it was powered by Rolls-Royce Conway RCo.10 turbofans.
Keith Roland Sturt was born in Guildford, Surrey, England, 20 April 1929, the son of George Sturt and Daisy May Raveney Sturt. On 20 June 1957, Sturt married Mrs. Colin Weal Coulthard (née Norah Ellen Creighton) in Surrey.
Herbert John Louis Hinkler, A.F.C., D.S.M. (State Library of Queensland)
22 February 1928: Herbert John Louis Hinkler arrived at Darwin, Northern Territories, Australia, after flying solo from Croydon, London, England. He had departed Croydon on 7 February, flying his Avro 581E Avian, G-EBOV. He had navigated by using a London Times atlas.
The previous record time for the 11,000 miles (18,000 kilometers) had been 28 days. An estimated 10,000 spectators watched his arrival.
The government of Australia awarded Bert Hinkler a prize of £2,000. He was appointed a squadron leader in the Royal Australian Air Force Reserve and awarded the Air Force Cross.
Herbert J. L. Hinkler, D.S.M., with his Avro 581E Avian, G-EBOV, before their departure from England, February 1928. (LIFE Magazine)Petty Officer Herbert J. L. Hinkler, R.N.A.S., with No. 28 Squadron, 1918.
During World War I, Bert Hinkler had served as an aerial gunner in the Royal Naval Air Service. He served in France. He was trained as a pilot, serving in Italy with the Royal Air Force.
After the War, Hinkler went to work for A. V. Roe & Co.,, Ltd., where he was the Chief Test Pilot from 1921 to 1926. He then flew with England’s Schneider Trophy racing team.
Avro 581 Avian G-EBOV had been the prototype Avian. (Production Avians were designated 594.) The airplane had been successfully raced for several years in England before it was modified to the 581E standard for Hinkler’s flight to Australia. The airplane was powered by an 80 horsepower A.D.C. Aircraft Cirrus II engine.
Bert Hinkler was later the first pilot to fly an airplane solo across the South Atlantic Ocean. He was killed 7 January 1933 when he crashed into a mountain in Italy.
Bert Hinkler arriving in Queensland, Australia with his Avro 581E Avian, G-EBOV, 1928.Herbert J. L. Hinkler’s Avro 581E Avian, G-EBOV, in the collection of the Queensland Museum South Bank, Corner of Grey & Melbourne Streets, South Bank, South Brisbane. (Detail from photograph by Peter Lewis)
Hinkler’s airplane, G-EBOV, was the first A. V. Roe and Company, Limited, Avro 581 Avian prototype, c/n 5116. It received its Certificate of Registration 7 July 1926. The prototype was originally equipped with an air-cooled Armstrong Siddely Genet 5 cylinder radial engine. The radial engine was replaced with an A.D.C. Cirrus II inline 4-cylinder engine and the airplane was redesignated 581A.
The Avian was sold to Bert Hinkler and registered to him by the Air Ministry, 4 July 1927. G-EBOV received further modifications, including shortened wings, for Hinkler’s planned long distance flight. It was again redesignated, this time as 581E.
The A.D.C. Cirrus Mark II was an air-cooled, normally-aspirated 304.66-cubic-inch-displacement (4.993 liter) four-cylinder vertical inline engine. This was a right-hand tractor, direct-drive, overhead-valve engine with two valves per cylinder and a compression ratio of 4.9:1. It had a normal power rating of 75 horsepower at 1,800 r.p.m. and a maximum power rating of 80 horsepower at 2,000 r.p.m. The engine drove a two-bladed, fixed-pitch propeller. The Cirrus Mk.II was 3 feet, 9.3 inches (1.151 meters) long, 1 foot, 7 inches wide (0.483 meters) and 2 feet, 11.6 inches (0.904 meters) high. It weighed 280 pounds (127 kilograms).
BT308, the Avro Lancaster prototype, at RAF Ringway, 9 January 1941. (Avro Heritage Museum)Captain Harry Albert (“Sam”) Brown, O.B.E. (Photograph courtesy of Neil Corbett, Test & Research Pilots, Flight Test Engineers)
9 January 1941: Test pilot Captain Harry Albert (“Sam”) Brown, O.B.E., (1896–1953) makes the first flight of the Avro Lancaster prototype, BT308, at RAF Ringway, Cheshire, England, south of Manchester.
Throughout World War II, 7,377 of these long range heavy bombers were produced for the Royal Air Force. The majority were powered by Rolls-Royce or Packard Merlin V-12 engines—the same engines that powered the Supermarine Spitfire and North American P-51 Mustang fighters.
The bomber was designed by Roy Chadwick, F.R.S.A., F.R.Ae.S., the Chief Designer and Engineer of A. V. Roe & Company Limited, based on the earlier twin-engine Avro Manchester Mk.I. Because of this, it was originally designated as the Manchester Mk.III, before being re-named Lancaster. Chadwick was appointed Commander of the Most Excellent Order of the British Empire, 2 June 1943, for his work.
The first prototype, BT308, was unarmed and had three small vertical fins.
Avro 683 Lancaster prototype BT308, shortly after the first flight at RAF Ringway, Manchester, England, 9 January 1941. (A.V.Roe via R.A.Scholefield) Photograph is from The R.A. Scholefield Collection and is used with permission.
With the second prototype, DG595, the small center vertical fin was deleted and two larger fins were used at the outboard ends of a longer horizontal tailplane. DG595 was also equipped with power gun turrets at the nose, dorsal and ventral positions, and at the tail.
Avro Lancaster DG595, the second protoype of the Royal Air Force four-engine long range heavy bomber. This armed prototype has the twin-tail arrangement of the production aircraft. (Test & Research Pilots, Flight Test Engineers)Air Ministry clearance form for Avro 683 Lancaster BT308. Shown on page 1 are the aircraft’s engine type and serial numbers.Air Ministry test flight clearance form, Page 2. This form is signed by the airplane’s designer, Roy Chadwick, 5 January 1941.
The first production model, Lancaster Mk.I, was operated by a crew of seven: pilot, flight engineer, navigator/bombardier, radio operator and three gunners. It was a large, all-metal, mid-wing monoplane with retractable landing gear. It was 68 feet, 11 inches (21.001 meters) long with a wingspan of 102 feet, 0 inches (31.090) meters and an overall height of 19 feet, 6 inches (5.944 meters). The Mk.I had an empty weight of 36,900 pounds (16,738 kilograms) and its maximum takeoff weight was 68,000 pounds (30,909 kilograms).
BT308 and early production Lancasters were equipped with four liquid-cooled, supercharged, 1,648.96-cubic-inch-displacement (27.01 liter), Roll-Royce Merlin XX single overhead camshaft (SOHC) 60° V-12 engines, which were rated at 1,480 horsepower at 3,000 r.p.m. to 6,000 feet (1,829 meters). The Merlins drove three-bladed de Havilland Hydromatic quick-feathering, constant-speed airscrews (propellers), which had a diameter of 13 feet, 0 inches (3.962 meters), through a 0.420:1 gear reduction.
DG595 was used for performance testing at the Aeroplane and Armament Experimental Establishment (A&AEE) at Boscombe Down. The Mark I had a maximum economic cruise speed of 267 miles per hour (430 kilometers per hour) at 20,800 feet (6,340 meters), and a maximum speed of 286 miles per hour (460 kilometers per hour) at 20,000 feet (6,096 meters) at a gross weight of 45,300 pounds (20,548 kilograms).¹ Its service ceiling was 20,000 feet (6,096 meters) at 64,500 pounds (29,257 kilograms). It had a range of 2,530 miles (4,072 kilometers) with a 7,000 pound (3,175 kilogram) bomb load.
The Lancaster was designed to carry a 14,000 pound (6,350 kilogram) bomb load, but modified bombers carried the 22,000 pound (9,979 kilogram) Grand Slam bomb. For defense, the standard Lancaster had eight Browning .303-caliber Mark II machine guns in three power-operated turrets, with a total of 14,000 rounds of ammunition.
According to the Royal Air Force, “Almost half all Lancasters delivered during the war (3,345 of 7,373) were lost on operations with the loss of over 21,000 crew members.”
Only two airworthy Avro Lancasters are in existence.
The Royal Air Force Battle of Britain Memorial Flight Avro Lancaster Mk.I, PA474. This airplane was built in 1945 by Vickers Armstongs Ltd. at Broughton, Wales, United Kingdom. (Battle of Britain Memorial Flight)The Canadian Warplane Heritage Museum’s Avro Lancaster Mk.X FM213, flies formation with an Royal Canadian Air Force CF-188 Hornet. The bomber is marked VR A and nicknamed “Vera.” FM213 was built by Victory Aircraft Ltd., Malton, Ontario, Canada. (Canadian Warplane Heritage Museum)
Photograph of Guy Menzies and two other men standing beside his Avro Avian biplane “Southern Cross Junior” at an unidentified aerodrome (probably Wellington), taken in 1931 by Sydney Charles Smith. National Library of New Zealand, Reference Number: PAColl-0224-23
7 January 1931: Guy Lambton Menzies flew an Avro 616 Sports Avian IV-A named Southern Cross Junior, solo across the Tasman Sea from Mascot Aerodrome, Sydney, New South Wales, Australia, to New Zealand.
Concerned that aviation authorities would prevent his flight, Menzies had said that his destination was Perth, Western Australia.
Geographic relationship between Sydney and Hari Hari, (Google Maps)
While en route, severe weather blew the Avian off course. Seeing an area that appeared to be level ground, he landed at the La Fontaine Swamp, Hari Hari, Westland, on New Zealand’s South Island. The airplane flipped over.
Guy Menzies was unhurt. His flight had taken 11 hours, 45 minutes.
“Hokitika postmaster Ralph Cox with pioneer aviator Guy Menzies, notifying Menzies’ parents of his arrival in New Zealand.” (Photograph from The Auckland Weekly News, 14 January 1931, via West Coast New Zealand History)
According to Terry Mace’s website, A Fleeting Peace: Golden-Age Aviation in the British Empire (afleetingpeace.org), G-ABCF was repaired, but crashed again 21 April 1931 at Sydney, New South Wales, Australia. (Another source states 12 April.) The Australian registration VH-UPT had been reserved for the airplane, but because of the crash, the registration was cancelled in June 1931.
Inkster, Lawrence Andrew, 1897-1955. Guy Menzies Avro Avian aeroplane in a swamp at Hari Hari – Photograph taken by L A Inkster.. Dominion post (Newspaper) :Photographic negatives and prints of the Evening Post and Dominion newspapers. Ref: EP-Transport-Aviation-Aircraft-01. Alexander Turnbull Library, Wellington, New Zealand. http://natlib.govt.nz/records/22751222
The Avro 616 Sports Avian was a two-place, single-engine, single-bay biplane, produced by A.V. Roe from 1926 to 1928. 405 were built. Guy Menzies’ airplane was a specially constructed variant, the Avro 616 Sports Avian IV-A, serial number 467, which had been ordered by Sir Charles Edward Kingsford Smith, M.C., A.F.C., and named Southern Cross Junior. Sir Charles had flown the airplane from England to Australia in 1930. (He had previously flown across the Pacific in 1928 with a Fokker F.VIIb/3m three-engine monoplane named Southern Cross). The Avian was registered to Sir Charles, 20 June 1930, identified as G-ABCF.
Avro 616 Sports Avian IV-A, G-ABCF, “Southern Cross Junior” (National Library of Australia PIC/3394/925 LOC LBUM 1090/11)
The Avian was constructed of wood-braced plywood panels, forming a tapered box. The sides and bottom were flat and the upper deck arched. The wings were built of two wooden spars with wood ribs, covered in doped fabric. The standard airplane was designed so that the wings could be folded alongside the fuselage.
G-ABCF was 24 feet, 5 inches (7.442 meters) long. Its wing span had been extended from the standard Avian’s 28 feet to 30 feet, 0 inches (9.144 meters). The overall height was 9 feet, 3 inches (2.819 meters). The wings had a total area of 262.0 square feet (24.34 square meters), an increase of 18.0 square feet (1.67 square meters) over that of the standard Avian. The wings are slightly staggered. Both upper and lower wings had a chord of 4 feet, 9 inches (1.448 meters), with a vertical gap of 5 feet, 0 inches (1.524 meters).
(FLIGHT, The Aircraft Engineer and Airships, No. 1140, Vol. XXII, No. 44, 31 October 1930, at Page 1185)
It weighed 1,100 pounds (499 kilograms) empty and had a gross weight of 2,225 pounds (1,009 kilograms).
The Avian’s standard 105 horsepower A.D.C. Cirrus Hermes engine was replaced with an air-cooled, normally-aspirated, 349.89-cubic-inch-displacement (5.734 liter) de Havilland Gipsy II inline 4-cylinder direct-drive engine, rated at 112.5 horsepower at 2,000 r.p.m., and122.5 horsepower at 2,200 r.p.m. The engine turned a two-bladed, fixed-pitch propeller with a diameter of 6 feet, 2 inches (1.880 meters). The Gipsy II weighed 295 pounds (134 kilograms).
In addition to the standard 24 Imperial gallon (109 liter) fuel tank, a welded-aluminum tank with a capacity of 91 gallons (414 liters) was installed in the forward cockpit. The airplane carried 3.5 gallons (15.9 liters) of lubricating oil, with 2 gallons in the engine, and 1½ gallons in a reserve tank. The airplane was also equipped with a 2 gallon (9.1 liters) tank for drinking water.
The Sports Avian IV-A had a cruising speed of 92 miles per hour (148 kilometers per hour) with the engine turning 1,900 r.p.m., and maximum speed of 115 miles per hour (185 kilometers per hour) at 2,100 r.p.m., at ground level, and 98 miles per hour (158 kilometers per hour) at 10,000 feet (3,048 meters), its service ceiling. It could climb to 10,000 feet in 41.5 minutes. The airplane’s absolute ceiling was 12,500 feet (3,810 meters). The range was calculated at 1,842 miles (2,964 kilometers) at 1,900 r.p.m.
Guy Menzies with his wrecked Avro 616 Avian IV-A, G-ABCF, at the La Fontaine Swamp. (National Library of New Zealand MNZ-0780-1/4-F)
Guy Lambton Menzies was born 20 August 1909 at Drummoyne (a suburb of Sydney), New South Wales, Australia. He was the the second of four children of Dr. Guy Dixon Menzies, a physician and founder of Seacombe Hospital, and Ida Mabel Lambton Menzies.
Shortly after his flight across the Tasman Sea, Menzies traveled to England where he joined the Royal Air Force. He was granted a short service commission as a Pilot Officer on probation, with effect 11 July 1931. He was confirmed in that rank one year later, 11 July 1932. Pilot Officer Menzies was promoted to Flying Officer 11 January 1933.
Menzies’ short term commission was soon to come to an end, which would have resulted in his being transferred to the Reserve. However, he was selected for appointment to a permanent commission as a Flying Officer in April 1936, and promoted to Flight Lieutenant, effective 1 April 1936. Flight Lieutenant Menzies was granted a permanent commission in that rank with effect from 11 July 1936. He was promoted to the rank of Squadron Leader, 1 December 1938.
On 1 November 1940, Squadron Leader Menzies, No. 228 Squadron, Coastal Command, was flying a Short Sunderland Mk.I four-engine flying boat, N9020, from RAF Kalafrana, Malta, patrolling near Sicily. The airplane was attacked by Italian Air Force Macchi C.200 Saettta fighters ¹ and “was observed falling onto the sea. There were no reported survivors.” ²
A Short Sunderland Mk.I, W3989, of No. 228 Squadron, Royal Air Force.
Squadron Leader Menzies’ younger brother, Flying Officer Ian Lambton Menzies, No. 24 Squadron, Royal Australian Air Force, was also killed in an airplane crash, 18 April 1941, near Ravenswood, North Queensland, Australia. The airplane, a Commonwealth Aircraft Corporation Wirraway, A20-117, a development of North American Aviation’s NA-16 trainer, stalled during a steep turn.
Their mother, Mrs. Menzies, said,
“I have given my two sons to the Empire.”
—TheDaily Telegraph, 19 April 1941.
¹ Internet sources identify the Regia Aeronautica fighter pilots who shot down N9020 as Tenente Luigi Armanino and Sergent Maggiore Natalino Stabile of 88° Squadriglia, VI Gruppo.
² The members of Menzies’ crew: Flying Officer Stuart Maxwell Farries, 40098; Sergeant Elias Dawes, 568257; Sergeant Frederick Harris, 563782; Sergeant Edward Louis Setterfield, 543241; Sergeant George Arthur Stamp, 580074; Leading Aircraftman Leslie Charles Major Hale, 522295; Leading Aircraftman Ronald Fletcher, 535135; and Leading Aircraftman Benjamin Edwin Nicholas, 526309.
Avro Lancastrian C.1 VH742 after installation of Rolls-Royce RB.41 Nene Mk.I gas turbine engines. The inboard Merlin engines have been shut down and their propellers feathered. (Royal Air Force)
17 November 1946: A modified Avro 691 Lancastrian C.1, VH742, under the command of Rolls-Royce’s chief test pilot, Captain Ronald Thomas Shepherd, O.B.E., flew from London Heathrow Airport (LHR) to Aéroport de Paris – Le Bourget (LBG) for 17th Salon de Aviation (Paris Air Show) with two Rolls-Royce RB.41 Nene Mk.I turbojet engines for propulsion. The airplane’s two Rolls-Royce Merlin V-12 piston engines were shut down, except for takeoff and landing, and their three-bladed propellers were feathered to reduce drag. It was the first-jet-powered passenger transport to fly from one country to another.
A contemporary aviation industry news article described the event:
The Nene-Lanc, Flies to Paris
THE flight of the Nene Lancaster from London to Paris last Monday, to play its part in connection with the exhibition, may be said to have marked a historic part in British aircraft development, for it constituted the first time that any jet-powered airliner had flown from one country to another. Moreover, since this particular aircraft has been flying fairly regularly since round about the time of the Radlett exhibition, the flight to Paris was no special performance, but merely one more public demonstration of its inherent reliability.
In the hands of Capt. R. T. Shepherd, chief test pilot for Rolls-Royce, the “Nene-Lanc” landed at Le Bourget at 10.58 a.m., G.M.T., after a 50-minute flight from London Airport, giving an average speed of 247.5 m.p.h. [398.3 kilometers per hour] Two passengers were carried in addition to the crew; they were Mr. Roy Chadwick, the Avro designer, and Mr. R. B. William Thompson, Chief Information Officer of the Ministry of Supply.
Capt. Shepherd said that he was very pleased with the aircraft’s performance and added that, but for having to circle Le Bourget Airport Twice before landing, the flight would have been completed in 43 minutes.
— FLIGHT and AIRCRAFT ENGINEER, No. 1978. Vol. L., Thursday, November 21st, 1946 at Page 561, Column 2.
Five days later, VH742 flew back to England:
Return Trip
THE return of the Nene Lancastrian on Nov. 22nd, direct from Le Bourget to Heathrow, was made in only 49 min, including landing, actual flying time from point to point being 41 min—an average speed of 322 mp.h. [518.2 kilometers per hour] This remarkable performance was in spite a beam wind and the dead weight and drag of the two inboard Merlins, which are only used for takeoff and landing.
Passengers of the return trip included Mr. Roy Chadwick, chief designer and a director of A. V. Roe and Co., Air Comdre. Kirk and Air Comdre. Pike.
—FLIGHT and AIRCRAFT ENGINEER, No. 1979., Vol. L., Thursday, November 28th, 1946 at Page 588, Column 1.
The Rolls-Royce RB.41 Nene engine first been run in October 1944. It installed in a Lockheed YP-80A Shooting Star, 44-83027, and the engine was first flown 18 July 1945 with Rolls-Royce test pilot Wing Commander John Harvey Heyworth, A.F.C., in the cockpit. The Nene-powered P-80 had made approximately 30 test flights when it was damaged beyond repair at RAF Syerston, 6 December 1945. With test pilot Andy McDowall flying, a fractured fuel pipe caused the engine to flame out from fuel starvation. McDowall tried to glide to a landing but another airplane was on the runway. He touched down on the grass but the landing gears were pushed up through the Shooting Star’s wings.
The jet fighter had been too small to allow for adequate test equipment. A larger aircraft was needed. The R.A.F. assigned VH742 the role of test aircraft.
The new Lancastrian arrived at the Rolls-Royce Flight Test Establishment at Hucknall Aerodrome, Nottinghamshire, 30 October 1945. The modification was engineered and the airplane was modified. The Lanc’s two outboard Rolls-Royce Merlin V-12 engines were removed and two Nene Mk.I engines were installed in underslung nacelles. The wing flaps were shortened by 3 feet, 4 inches (1.016 meters) and the ailerons by 10 inches (0.254 meters) to provide clearance from the jet engines’ exhaust. Sheet steel was installed on the lower surfaces of the wings as protect against the heat.
Three fuel tanks were installed in each of the Lancastrian’s wings. The center tank contained gasoline for the Merlin engines, while the inner and outer tanks, plus two auxiliary tanks in the fuselage, carried kerosene for the jet engines. Fuel capacity was 760 gallons (2,877 liters) of gasoline and 2,420 gallons (9,161 liters) of kerosene.
In the Lancastrian’s cockpit, additional instruments were installed for the turbojets: tachometers reading from 0–20,000 r.p.m.; oil pressure gauges, 0–80 p.s.i.; exhaust gas temperature, 400˚–750 ˚C., and exhaust gas pressure.
The first flight of the modified VH742 took place 14 August 1946, with Ronnie Shepherd in the cockpit. Running on the jet engines alone, the airplane was extraordinarily quiet and vibration free. Like all early turbojets, the Nenes were slow to accelerate from low r.p.m. Test pilots had to use caution. Jim and Harvey Heyworth also flew VH742 during the last half of August.
RB.41 Nene. (Rolls-Royce)
The Rolls-Royce RB.41 Nene Mk.I was developed from the earlier RB.40 Derwent.¹ It was considerably larger and produced nearly double the thrust. It was a single-stage centrifugal-flow compressor/single-stage axial-flow turbine, rated at 5,000 pounds of thrust (22.24 kilonewtons) at 12,400 r.p.m. for takeoff.
A second Nene-powered Lancastrian was added to the test fleet at Hucknall the following year. Last Nene flight took place in August 1949.
VH742 had been ordered by the Royal Air Force during World War II as an Avro Type 683 Lancaster B. Mk.III, a very long range heavy bomber, and assigned identity markings PD194. With the end of World War II in Europe, orders for hundreds of Lancaster bombers were cancelled. The partially completed PD194 was modified on the assembly line as a Lancastrian C. Mk.I passenger transport and renumbered as VH742.
The Avro Type 691 Lancastrian was a four-engine civil transport based on the World War II very long range heavy bomber, the Avro Lancaster. The airliner was operated by a flight crew of four and carried one flight attendant. It could carry up to thirteen passengers. The Lancastrian was 76 feet, 10 inches (23.419 meters) long with a wingspan of 102 feet (31.090 meters) and overall height of 19 feet, 6 inches (5.944 meters). The empty weight was 30,220 pounds (13,707.6 kilograms) and gross weight was 65,000 pounds (29,483.5 kilograms).
The Lancastrian Mk.III was powered by four 1,648.9-cubic-inch-displacement (27.04 liter) liquid-cooled, supercharged, Rolls-Royce Merlin T24/2 single overhead camshaft (SOHC) 60° V-12 engines producing 1,650 horsepower and turning three bladed propellers.
The airplane a cruise speed of 245 miles per hour (394.3 kilometers per hour) and a maximum speed of 315 miles per hour (506.9 kilometers per hour). The service ceiling was 25,500 feet (7,772 meters) and the range was 4,150 miles (6,679 kilometers).
Rolls-Royce test pilots (left to right) Wing Commander John Harvey Heyworth, A.F.C.; Squadron Leader Alexander James Heyworth, D.F.C. and Bar, FRAeS; Captain Ronald Thomas Shepherd, O.B.E.; Wing Commander Andrew McDowall, D.S.O., A.F.C., D.F.M.; and Herbert Clifford Rogers, O.B.E., D.F.C.; with Merlin 632/ Avon-powered Avro Lancastrian C.2 VL970, circa 1949. Each one of these men served as Chief Test Pilot for Rolls-Royce. (Rolls-Royce)
91 Avro Lancastrians were built, including modified Lancaster bombers. The transport variant first flew in 1943. In addition to the Royal Air Force, commercial Lancastrians were operated by British European Airways, British Overseas Airways Corporation and British South American Airways. The last one was retired in 1960.
Rolls-Royce built more than 1,100 RB.41 Nene engines. It was licensed for production by Pratt & Whitney as the J42. Forty Nenes were sold to the Soviet Union under the condition that they would not be used for military purposes. These were reverse-engineered and produced as the Klimov RD-45 which powered the Mikoyan-Gurevich MiG-15 fighter.
¹ While Rolls-Royce named its piston-driven aircraft engines after birds of prey, the turbojet engines were named for rivers.
20 September 1958: The first prototype Avro Vulcan strategic bomber, VX770, piloted by Rolls-Royce test pilot Keith Roland Sturt, was on a test flight from the Rolls-Royce Flight Test Establishment, RAF Hucknall, when it diverted to make a scheduled fly-past for an air show being held at RAF Syerston in Nottinghamshire. Also aboard were Co-Pilot Ronald W. Ward of Fairey Aviation; Rolls-Royce Flight Engineer William E. Howkins; and Navigator, Flight Lieutenant Raymond M. (“Polly”) Parrott, Royal Air Force.
