File:Austin Seven Sports Cabrio (1933) (50023773632).jpg
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[edit]DescriptionAustin Seven Sports Cabrio (1933) (50023773632).jpg |
Cascais Classic Motorshow, Cascais, Portugal HISTORY SOURCE: Wikipedia, the free encyclopedia OVERVIEW ManufacturerAustin Production1922–1939 290,000 Body and chassis ClassEconomy car Body style2-door tourer 2-door saloon 2-door cabriolet 2-door coupe 3-door van POWERTRAIN Engine747 cc straight-4 Dimensions Wheelbase75 inches (1.905 m) Chronology PredecessorNone SuccessorAustin 8, Austin Big 7 The Austin 7 is an economy car that was produced from 1922 until 1939 in the United Kingdom by Austin. It was nicknamed the "Baby Austin" and was at that time one of the most popular cars produced for the British market and sold well abroad. Its effect on the British market was similar to that of the Model T Ford in the US, replacing most other British economy cars and cyclecars of the early 1920s. It was also licensed and copied by companies all over the world. The very first BMW car, the BMW Dixi, was a licensed Austin 7, as were the original American Austins. In France, they were made and sold as Rosengarten. In Japan, Nissan also used the 7 design as the basis for their first cars, although not under licence. This eventually led to a 1952 agreement for Nissan to build and sell Austins in Japan under the Austin name. Many Austin 7s were rebuilt as "specials" after the Second World War, including the first race car built by Bruce McLaren, and the first Lotus, the Mark I. Such was the power of the Austin 7 name that the company re-used it for early versions of the A30 in 1951 and Mini in 1959. HISTORY Until the First World War Austin built mainly large cars, but in 1909 they sold a single-cylinder small car built by Swift of Coventry called the Austin 7 hp. After this, they returned to bigger cars. In 1920 Sir Herbert Austin commenced working on the concept of a smaller car, mainly to meet the needs of young families aspiring to own an affordable motor car. This idea was spurred on by the introduction of the Horsepower Tax in 1921. His design concept marked a departure from his company's conservative motoring past and Austin received considerable opposition from his board of directors and creditors. Because the company was in receivership Austin decided to carry out the project himself on his own account and in 1921 hired an 18-year-old draughtsman, Stanley Edge, from the Austin factory at Longbridge, Birmingham to aid in the drawing of detailed plans. This work was carried out in the billiard room of Austin's Lickey Grange home. Edge convinced Austin to use a small four-cylinder engine. The original side-valve engine design featured a capacity of 696cc (55mm x 77mm) giving a RAC rating of 7.2 hp, the cast cylinder block featured a detachable head and was mounted on an aluminium crankcase. The crankshaft used one roller and two ball bearings and the big-ends were splash lubricated. Edge also carried out the design of other mechanical components such as the three-speed gearbox and clutch assembly. Austin was largely responsible for styling the Seven's design, which was reportedly[citation needed] influenced by the design of the Peugeot Quadrilette. The "A" frame chassis design was believed to have been influenced by the design of an American truck used in the Longbridge factory in the early 1920s. The design was completed in 1922 and three prototypes were constructed in a special area of the Longbridge factory and announced to the public in July 1922. Austin had put a large amount of his own money into the design and patented many of its innovations in his own name. In return for his investment, he was paid a royalty of two guineas (£2, 2s), (£2.10) on every car sold. Nearly 2,500 cars were made in the first year of production (1923), not as many as hoped, but within a few years the "big car in miniature" had wiped out the cyclecar industry and transformed the fortunes of the Austin Motor Co. By 1939 when production finally ended, 290,000 cars and vans had been made. CHASSIS The Austin 7 was considerably smaller than the Ford Model T. The wheelbase was only 6 ft 3 inches (1.905 m), and the track only 40 inches (1.016 m). Equally, it was lighter – less than half of Ford's weight at 794 pounds (360 kg). The engine required for adequate performance was therefore equally reduced and the 747 cc side-valve was quite capable with a modest 10 hp output. The chassis took the form of an "A" with the engine mounted between the channel sections at the narrow front end. The rear suspension was by quarter-elliptic springs cantilevered from the rear of the chassis while at the front the beam axle had a centrally mounted half elliptic transverse spring. Early cars did not have any shock absorbers. Brakes were on all wheels but at first, the front brakes were operated by the handbrake and the rear by the footbrake, becoming fully coupled in 1930. In late 1931 the chassis was lengthened by 6" with a corresponding increase in the rear track. Steering is by worm and wheel mechanism. ENGINE AND TRANSMISSION The original 1922 four-cylinder Austin Seven engine had a bore of 2.125" (54mm) and stroke of 3" (76mm), giving a capacity of 696 c.c. and RAC rating of 7.2 hp. From March 1923 the bore was increased to 2.2" (56mm) giving 747 c.c. and 10.5 hp. The side-valve engine was composed of an aluminium crankcase, cast iron cylinder block and cast iron cylinder head. Cooling was by thermosiphon, without a water pump, and the dynamo was driven from the timing gears. The big end bearings were lubricated by jets from an oil gallery in the crankcase, the oil striking the crankshaft webs which were drilled accordingly. Originally the journal diameter was 1.125"; this was later increased to 1.3125". The three bearing engine (from 1936) used a white metal centre bearing. The splash-lubricated crankshaft (pressure fed on some sports models) at first ran in two bearings (two ball bearings at the front, roller at the back) changing to three in 1936.[8] An electric starter was fitted from November 1923. The early cars used magneto ignition, but this was changed to a coil in 1928. The 3-speed and reverse gearbox was bolted to the back of the engine and had a variety of ratios depending on the application: touring, sports, racing and trials. A four-speed gearbox was introduced in 1932 and in 1933 synchromesh was added to third and top ratios extending to second gear in 1934. The back axle was of spiral bevel type with ratios between 4.4:1 and 5.6:1 with 4.9; 1 being the most common until the 1930s. A short torque tube ran forward from the differential housing to a bearing and bracket on the rear axle cross member. Reliant used a derivative of the Austin Seven engine for their early three-wheelers, before developing an aluminium alloy engine (used as the replacement for the Austin Seven engine by the 750 Motor Club in their Formula 750 motorsport). GORDON ENGLAND Herbert Austin's son-in-law, Arthur Waite, soon began to achieve remarkable sporting successes beginning at Brooklands in March 1923 and the next month at Monza. Another driver, E C Gordon England, persuaded Sir Herbert to provide him with a racing 7. Waite and Lou Kings (chief tester) then experienced a run of failure brought about by inadequate engine lubrication for racing conditions. Meanwhile, Gordon England flushed with success from establishing six new class records at Brooklands, had built a special lightweight 2-seater body weighing just 20 lb (9.1 kg) and entered it in the 1100 cc class for the Junior Car Club 200 mile race at Brooklands in October 1923. There Gordon England finished in second place and during the race won another five class records. So two new sports models were offered in January 1924, the Sports and the Brooklands Super-sports. The Brooklands Super-sports was a replica of Gordon England's record-breaker. Each car was sold with a Brooklands certificate proving a speed of 80 miles 0 chains (128.75 km) per hour. By 1925 Gordon England held nineteen 750 cc class records. AUSTIN SEVEN SALOON FIRST BY GORDON ENGLAND The first Austin 7 saloon was made by racing driver E C Gordon England's coachbuilding company. Gordon England had been an aircraft designer with the Bristol Aeroplane Company. His little fabric saloon body based on aircraft principles was said to be the smallest closed car in the world. Its body weighed 28 lb (13 kg) less than the tourer and at £210, almost double the £112 chassis price, it showed there would be a ready sale for an Austin-made steel panelled saloon which was introduced in September 1926 at £165 (equivalent to £9407 today) Until fabric bodies fell from fashion in the early 1930s the Gordon England Fabric "deluxe" Saloon remained in Austin's catalogue at a £20 (14%) premium over Austin's standard steel saloon. It was accompanied by their 2-seater Gordon England Cup Model. 1931 AUSTIN SEVEN SWALLOW SALOON In 1927, William Lyons, co-founder of the Swallow Sidecar Company, saw the commercial potential of producing a re-bodied Austin 7. Buying a chassis from dealer Parkers of Bolton Lyons commissioned Swallow's talented employee, coachbuilder Cyril Holland, to produce a distinctive open tourer: the Austin Seven Swallow. Holland (1895- ) who joined Swallow in late 1926 had served his apprenticeship with Lanchester and would become chief body engineer. The height of saloon car fashion of the day was to have the back of the body fully rounded, this was called "dome" shaped. With its bright two-tone colour scheme and a style befitting more expensive cars of the time, together with its low cost (£175), the Swallow proved popular and was followed in 1928 by a saloon version: the Austin Seven Swallow Saloon. Approximately 3,500 bodies of various styles were produced up until 1932 when Lyons started making complete cars under the SS brand. Such was the demand for the Austin Seven Swallows that Lyons was forced to move in 1928 from Blackpool to new premises in Coventry. It was, in part, the success of the Swallows that laid the foundations of what was to become, by 1945, Jaguar Cars. |
Date | |
Source | Austin Seven Sports/Cabrio (1933) |
Author | Pedro Ribeiro Simões from Lisboa, Portugal |
Camera location | 38° 41′ 36.05″ N, 9° 25′ 22.67″ W ![]() | View this and other nearby images on: OpenStreetMap | ![]() |
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This image was originally posted to Flickr by pedrosimoes7 at https://flickr.com/photos/46944516@N00/50023773632. It was reviewed on 17 October 2020 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0. |
17 October 2020
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Camera manufacturer | Leica Camera AG |
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Camera model | M9 Digital Camera |
Exposure time | 1/360 sec (0.0027777777777778) |
ISO speed rating | 160 |
Lens focal length | 50 mm |
Pixel composition | Color Filter Array |
Software used | 1.174 |
Exposure Program | Manual |
Exif version | 2.2 |
Date and time of digitizing | 14:59, 17 September 2016 |
APEX shutter speed | 8.5 |
APEX exposure bias | 0 |
Maximum land aperture | 1 APEX (f/1.41) |
Metering mode | Center weighted average |
Light source | Unknown |
Flash | Flash did not fire |
File source | Digital still camera |
Scene type | A directly photographed image |
Exposure mode | Manual exposure |
White balance | Auto white balance |
Digital zoom ratio | 0 |
Focal length in 35 mm film | 50 mm |
Scene capture type | Standard |
Unique image ID | 00000000000000000000000000007613 |
Serial number of camera | 4232635 |