Aston Martin

GB, 1922 to date

(1) Bamford and Martin Ltd, London, W.8, 1922 – 1925

(2) Aston Martin Motors Ltd, Feltham, Middlesex, 1926 – 1929

(3) Aston Martin Ltd, Feltham, Middlesex, 1929 – 1957

(4) Aston Martin Lagonda Ltd, Newport Pagnell, Bucks, 1958 to date

The Aston Martin’s reputation has always far transcended its small-scale production. The first prototype was evolved by Lionel Martin and Robert Bamford in 1914, the Aston part of the name deriving from the Aston Clinton hill-climb. It used a 1.4-litre side-valve Coventry-Simplex engine in an Isotta-Fraschini voiturette chassis, and was followed by a second Aston Martin prototype in 1919. Aston Martin production started in 1922 with a larger 1½-litre side-valve engine in a chassis with 4-speed gearbox and semi-elliptic springs all round. A complete Aston Martin car for sale cost £850, and about 60 were made up to 1925. Successes included 2nd place in the 1922 200-Mile Race at Brooklands, and the collection of a number of world records in the same year. Front-wheel brakes were standard from 1923, and several overhead-camshaft engines were evolved for racing, initially of single-cam type, but later in 16-valve (1922) and 8-valve (1924) twin-cam forms, the former developing 54bhp. These Aston Martin cars were generally less successful than the production side-valves. The Aston Martin company exhibited at Olympia in 1925, but was wound up a few weeks later.

A comeback was staged in 1926, the new Aston Martin machine being an ohc 1½-litre designed by A.C. Bertelli. This was tested in an Enfield-Allday racing chassis and went into production at Feltham in 1927 in 50bhp form, with 4-speed separate  gearbox, dash-mounted steering box, and David Brown worm final drive. Bodies were the work of Bertelli’s brother Enrico, and early Aston Martin sports models weighed only 2.128lb complete. A 63bhp dry-sump competition engine was made in 1928, and two dozen Aston Martin cars had been delivered by 1929. The dry-sump engine was standardized in 1930 and the Aston Martin 1½-litre model had a long and distinguished competition history: 6th in the ‘Double-12’ at Brooklands in 1931, the award of the Biennial Cup at Le Mans in 1932, 5th at Le Mans in 1933 and 3rd in 1935, in which year a class win was recorded in the Mille Miglia. In 1938, two years later the Aston Martin 1½-litre had gone out of production, Polledry took 2nd place in the Bol d’Or 24-Hour Race, and a similar car was actually 5th as late as 1951.

Finance was always a problem; there was a brief marketing link with Frazer Nash in 1931 and in 1933 the Aston Martin firm came under the direction of R.G. Sutherland, who retained control until after World War 2. In 1932 the Aston Martin 1½-litre acquired bevel drive and a unit gearbox of Moss make, being sold in 55bhp touring and 70 bhp sports versions, while the handsome Aston Martin MkII of 1934-1936, though it now weighed 2.576lb, was capable of 85mph and sold for £610. Aston Martin’s best sales year was 1933 with 105 cars delivered. The 80bhp Aston Martin Ulster model of 1935 could exceed 100mph. An Aston Martin 2-litre model, still with ohc was prepared for the cancelled 1936 Le Mans race and replaced the 1½-litre the following season, with wet-sump lubrication, synchromesh gearbox and Girling brakes at £575; a dry-sump Aston Martin Speed Model version was still available for £200 more. Prices were slashed to £495 in 1939, in which year the Aston Martin Speed Model was sold with aerodynamic bodywork and the Cross rotary-valve engine was tried, but not adopted. There were also wartime experiments with the Atom saloon with tubular chassis-body structure and Cotal gearbox, but the first post-war Aston Martin for sale, a Claude Hill design, featured a short-stroke pushrod 2-litre engine, independent front suspension, a hypoid back axle, hydraulic brakes and, for the first time, coil ignition. One of these Aston Martin cars won at Spa in 1948, but very few were made, even after the acquisition of the company by David Brown group in 1947.

In 1949 the 2.6-litre twin ohc 6-cylinder engine designed by W.O. Bentley for Lagonda (also part of the David Brown empire) was installed in an aerodynamic Aston Martin coupé using a space-frame with square-section tubes. It ran at Le Mans, reaching production status in 1950 as the Aston Martin DB2 available in 107bhp and 123bhp Aston Martin Vantage forms at a price of £1.915. These cars did well at Le Mans in 1950 and 1951, as well as winning their class in the 1951 Mille Miglia; they led to some out-and-out sports-racing machines, the Aston Martin DB3 (for sale in 1952), with Eberhorst-designed structure and 5-speed gearbox, and the 2.9-litre Aston Martin DB3S (for sale in 1953), which developed  210bhp and reverted to four forward speeds. Three wins in the Goodwood 9-Hour Sports-Car Race, and place at Sebring and 5th in the Mille Miglia in 1953, and twosuccessive 2nd places at Le Mans (1955 and 1956) made the David Brown Astons a powerful force in international racing. The touring Aston Martin DB2 acquired rather occasional rear seats in 1954 and a 140bhp 2.9-litre engine in 1955.

1956 saw the first of two unsuccessful forays into Formula I (the second was in 1959), and the début of the Aston Martin DBR series of sports-racers with space frames and De Dion rear axles, the first Aston Martins to have disc brakes. These were raced in 2.5-, 2.9-, and 3.7-litre forms and scored three successive wins in the Nürburgring 1000-Kilometre race, a win at Spa in 1957, a 1-2-3 victory in the 1958 T.T., and finished 1st and 2nd at Le Mans in 1959. Also in 1959 Aston Martin became the first and only British makers to win the Sports Car Constructors’ Championship. The MkIII version of the Aston Martin DB2/4 (for sale in 1957) had front disc brakes, and could be had with overdrive or automatic gearbox – factory options which are found on all later Aston Martins. Manufacture was transferred to the former Tickford body works (which had made the N.P. car in the 1920s) at Newport Pagnell in 1958. 1959 saw a detuned 240bhp version of the 3.7-litre DBR engine installed in the Aston Martin DB4, an Italian-styled sports saloon with platform frame, trailing-link and coil rear suspension and all-round disc brakes. A 302bhp short-chassis GT version capable of 170mph followed in 1960. A 255bhp Vantage engine was an option on the standard chassis in 1962, and the 4-litre Aston Martin DB5 for sale in 1964  had alternator ignition, a diaphragm clutch and the new transmission option of five forward speeds. The 5-speed box was standard in the 282bhp Aston Martin DB6 which sold in 1966 for £5.084. A 325bhp Vantage version was also available. An additional 1967 Aston Martin model had coupé bodywork by Superleggera Touring of Italy – a return to two-seaters after a lapse of several years. In December 1966 it was announced that the Aston Martin company was developing a 5-litre V8 racing engine to be installed in a Lola chassis. New for 1968 was the Aston Martin DBS coupé with four headlamps and De Dion rear axle, and in 1970 Mk2 versions of the Aston Martin DB6 had power steering as standard and fuel injection as a regular option. A new Aston Martin DBS was powered by Aston Martin’s V8, a 4ohc 5.4-litre unit developing 375bhp; transmission options were a 5-speed ZF gearbox or Chrysler Torqueflite automatic. In 1972 Ogle produced their Karen-styled version of this car with 22 rear lamps, Sundym glass and headlamp washers. Aston Martin changed hands in April of that year, and the 6-cylinder cars were discontinued.

Source: Georgano, encyclopedia of motorcar; MCS

The information is written with the greatest of care. However, if you have any suggested amendments please contact us at office@prewarcar.com

Hotchkiss

France, 1903 – 1955

(1) Hotchkiss et Cie, St. Denis, Seine, 1903 – 1936

(2) Automobiles Hotchkiss, St. Denis, Seine, 1936 – 1955

The American Benjamin Berkeley Hotchkiss set up his ordnance Horchkiss car factory at St. Denis in 1867; the Hotchkiss cars were the result of an arm slump. The work of Terrasse, these first Hotchkiss cars were T-headed fours with pair-cast cylinders, 5-ball-bearing crankshafts, low-tension magneto ignition, round honeycomb radiators, 4-speed gearboxes, and the famous Hotchkiss drive by live axle and open propeller shaft. Initially cylinder capacities of Hotchkiss cars were 4.6-litres and 7.4-litres, but the Hotchkiss car company’s first racers of 1904 were 17.8-litre monsters notable for their aiv and chain drive. Though their 1905 successors conformed once more to touring-car practice, they were even bigger Hotchkiss cars, with 18.815cc and an alleged 130bhp. Hotchkiss’s last racing season was 1906 with their Grand Prix Hotchkiss cars had 16.3-litre L-head units and quick-detachable wire wheels. Though these Hotchkiss cars were unsuccessful, Hotchkiss sold 167 cars that year, with gate change standardized, and a choice of five Hotchkiss car models: a short-lived 4.2-litre petrol brougham, fours of 18, 30 and 42hp, and their first six. The last-mentioned Hotckiss car was the large V-type that evolved into a 9½-litre machine and was still being offered in 1912 as a Hotckiss car. Chassis price was £1.000 and it was capable of 60mph.

The slump following the Agadir crisis led to the abandonment of ball-bearing crankshafts on Hotchkiss cars; at the same time there was a move towards smaller Hotchkiss cars with the 3.1-litre T-type, with side valves in an L-head and high-tension magneto ignition. Two years later came something even smaller and more modern, the 12/16hp Hotchkiss X-type with 2-bearing crankshaft and three forward speeds at £390. Soon monobloc engines spread up the range to the 3.7-litre Hotckiss AB of 1912. From 1911 there were some smaller L-head sixes, the 4.678cc Hotchkiss X6 and the 5½-litre Hotchkiss AC6; 1912 sales were a record 598 Hotchkiss cars. Electric lighting was available from 1913, and all the 1914 Hotchkiss car models – the 2.6-litre Hotchkiss AG, the 4-litre Hotchkiss AF, the 5.7-litre Hotchkiss AC, and the 6-cylinder Hotchkiss AC6 – had semi-elliptic suspension all round.

The wartime demand for Hotchkiss machine guns led to the establishment of a branch factory under the Englishman Harry Ainsworth, this subsequently making engines for W.R. Morris until it was absorbed by him in 1923. At home Hotchkiss sold off their surplus works capacity at Lyons and concentrated on a revised Hotchkiss car again, the AF with full electrics and a horseshoe-shaped radiator in place of the traditional round one. Its successor, the Hotchkiss AH of 1921, had cantilever rear springs and torque tube drive, and a year later came the Hotchkiss AL with ohv, and a detachable head; front-wheel brakes were added for 1923. There was also a prototype luxury Hotchkiss car at the 1921 Paris Salon; this Hotchkiss AK had a 6.6-litre 6-cylinder ohc engine, dual ignition, 4-speed unit gearbox, servo-assisted 4-wheel brakes, and a cruciform-braced frame, but it never went into production.

The return of Ainsworth to St. Denis in 1923, coincided with the construction of a new Hotchkiss car factory and a more realistic type of car, the 2.4-litre 12CV Hotchkiss AM, with 4-cylinder sv engine, 4-speed unit box, four-wheel brakes, wire hwwls, and Hotchkiss drive once more. Between 1924 and 1928 it was the Hotchkiss car company’s staple product, selling at the rate of over a thousand a year and offering a 70mph performance at a modest outlay. It persisted until 1932, acquiring ohv in 1926 and rod-operated brakes in 1928, and its engine was used in some Morris-Léon Bollées. Even better was the Hotchkiss AM80 of 1929, largely the work of Bertarione. This was a short-stroke (80x100mm), 7-bearing ohv 3-litre six that owed a good deal to the AM2, though early cars featured torque tube drive; it was to be the basis from which all subsequent Hotchkisses were evolved. A silent 3rd gearbox featured on 1931 Hotchkiss car models, Hotchkiss drive reappeared in 1932, and 1933 improvements included Bendix brakes, cruciform-braked frames, down-draught carburetors and mechanical fuel pumps. Hotchkiss AM80 engines were also fitted to Sizaire Frères and Tracta cars.

The 1933 Hotchkiss car range was expanded both up and down, with new Hotchkiss 12CV (2-litre) and 13CV (1.3-litre) fours for the economy market, and an 85mph fast tourer, the 100bhp 3½-litre Hotckiss AM80S, for the enthusiast. This Hotchkiss car was based on the car with which Vasselle won the 1932 Monte Carlo Rally. Hotchkiss cars repeated this success in 1933 and 1934: in the latter year the Hotchkiss cars collected two Glazier Cups in the Alpine Trial. There were further wins in the Monte Carlo in 1938 and 1939; on the latter occasion a Grand Sport Hotchkiss car tied with a 3½-litre Delahaye. Radiators were moved forward on the 1934 Hotchkiss cars, and the 3-litre gave way to a 2.650cc 15CV that was not a success and lasted only one season. The 1935 Hotchkiss cars had synchromesh and integral boots, and at the top of the 3½-litre 20CV range was the twin-carburettor Hotckiss Paris-Nice, a 115bhp sports car capable of 95mph. Hydraulic brakes appeared in 1936 on Hotchkiss cars (to be quietly dropped halfway through 1937). The sports 20CV engine was now giving 125-130bhp and when allied to a short 9ft 2in wheelbase resulted in the Hotchkiss Grand Sport, a true 100mph saloon.

By 1938 the horseshoe radiator on the Hotchkiss car was now a wire-mesh grille, but despite the exigencies of French rearmament programmes the Hotchkiss car company managed to deliver 2.751 Hotchkiss cars that year, made up of the two fours, the reinstated 3-litre Hotchkiss 680, and the 3½-litre Hotchkiss 686 in various forms, including seven-seater limousines with the single-carburettor 100bhp engine. Hotchkiss also came to the rescue of the ailing Amilcar concern, helping to make the Grégoire-inspired 1.185cc Compound, a small fwd saloon with unitary construction in Alpax; this was sold in England, though not in France, as a Hotchkiss car. A 1.3-litre ohv development, the Hotchkiss B67, was ready for production when France collapsed in the summer of 1940.

Hotchkiss never really recovered from World War 2, though Peugeot were briefly interested in the Hotchkiss car company and Hotchkiss 686 cars won the first two post-war Monte Carlo Rallies of 1949 and 1950. The Hotchkiss 12CV and Hotchkiss 20CV were back in production, unchanged, by 1946, but the first year’s output was a miserable 117 Hotchkiss cars. Hydraulic brakes and independent front suspension did not appear until 1949 on Hotchkiss cars (though Hotchkiss had experimented with the latter in 1937), and a Cotal electric gearbox became a factory option. The 1951 Hotchkiss car models were ‘facelifted’ with V-screens, recessed headlamps and auxiliary coil rear suspension, but in the meantime there had been an expensive mistake: the acquisition by Hotchkiss of the rights to the Grégoire flat-4. This ingenious device was a development of the 1938 Amilcar theme featuring all-round independent suspension and a 4-speed overdrive gearbox, as well as front wheel drive. Production Hotchkiss car models with 2.2-litre engines were said to achieve 95mph and 30mpg, but the teething troubles were endless, and Hotchkiss only managed to make 250 Hotchkiss cars in the end. There was a shutdown in 1952 and the price of recovery was a merger with Delahaye that led inevitably to concentration on commercial vehicles. The old Hotchkiss cars 13CV and 20CV received another facelift in time for the 1954 Paris Salon, but his was their swansong, though medium-powered trucks continued to be made until 1970, along with a version of the American Jeep built under licence.

GB, 1920

Hotchkiss et Cie, Coventry, Warwickshire

Hotchkiss of Coventry, a British offshoot of the famous French Hotchkiss car firm, was set up during World War 1 to make engines in Britain. Their units became best known as the motive power for Morris and BSA light cars, but before they were taken over by William Morris, Hotchkiss experimented with a small car of their own. The Hotchkiss car consisted of their 1.080cc air-cooled V-twin ohv engine installed with a 3-speed gearbox in a pre-war Morris Oxford chassis. It never went into production.

Source: Georgano, encyclopedia of motorcar; MCS, TRN

The information is written with the greatest of care. However, if you have any suggested amendments please contact us at office@prewarcar.com