Adler

D, 1900 – 1939

(1) Adler Fahrradwerke vorm. Heinrich Kleyer AG 1900 – 1906

(2) Adlerwerke vorm. Heinrich Kleyer AG, Frankfurt/Main 1906 – 1939

This well-known bicycle and typewriter firm had already built components for Benz as well as a few De Dion tricycles when their first car appeared in 1900. This closely resembled the contemporary Renault, with tubular frame, shaft drive, and front-mounted 400cc single-cylinder De Dion engine; suspension was full-elliptic all round and steering was by tiller, but both these archaisms had gone by 1901 when a bigger 510cc power unit was standardized. By 1902 the company were making their own engines, an 850cc single and a 1.7-litre twin, there were four forward speeds, and the lateral radiators continued the Renault idiom.

With the arrival of Edmund Rumpler in 1903 the Adler idiom crystallized, even if this experimental swing-axle suspension did not pass beyond the prototype stage. Characteristics of the new models were side valves in an L-head, dual ignition, pressed-steel frames, and rectangular radiators. Four cylinders were preferred, though singles were still offered in 1905, and twins as late as 1909. By 1905 there were 4-cylinder cars of 2.8-litres, 4-litres and 7.4-litres, this last figuring in Adler’s Herkomer Trophy entry, and attracting an order from Kaiser Wilhelm II in 1907. If the 1906 Kleinwagen, a 1.032cc aiv V-twin with water cooling and steel artillery wheels, marked a retrograde step, by 1907 the company had adopted the unit gearbox, and were experimenting with ioe engines, achieving a 3rd place in the Prince Henry trials. There were also some modest short-stroke fours. A 2-litre 8/15ps was followed a year later by the successful 1.555cc 7/15. This developed into the 1.8-litre 7/15, popular in England as the 12hp. These small Adlers had dual ignition, but foot accelerators were found only on the bigger cars as late as 1913. There was a fast 5.2-litre 76bhp ioe model for the 1910 Prince Henry Trials, and a smaller 3.2-litre version was offered to the public. It evolved into the 15/40 of 1913, with 3.8-litre and 69bhp, used as the basis for Adler’s unsuccessful 1914 T.T. racers. Their Knight-engined 1911 cars did not progress beyond the prototype stage, but very attractive was that year’s new model, the 1.3-litre K voiturette, initially with pair-cast cylinders, but offered in 1913 with Monobloc engine and a choice of side-by-side or tandem seats. Rear suspension was full-elliptic. It did 50mhp and 38mpg, and was well received by Britons, who bought it under the name of Morgan-Adler Carette. There were also some large sv fours, the 4.8-litre 19/45 appearing in 1911, followed in 1912 by a 7.8-litre 30/70, and in 1914 by a V-radiatored 9.1-litre monster, top of a nine-model range. Also new was an enlarged K, the 1.552cc KL with four-seater bodywork and semi-elliptic rear springs.

A selection of the more popular 1914 types reappeared in 1919, and even in 1922 a replacement for the KL, the 6/22PS, retained a fixed head and reverted to a separate gearbox. Adler’s first sixes came in 1925, these boasting alloy pistons, detachable heads, and front wheel brakes. The 10/50 had a 2.6-litre Monobloc engine, but the 4.7-litre 18/80 was of biblock type. Also new was an essay in the American idiom, Becker’s 1.550cc 4-cylinder Favorit. Three years later it had been joined by a 2.9-litre six and a 3.9-litre straight-8, both with hydraulic brakes, these being offered on an enlarged and modernized Favorit in 1929. 

At the Geneva Show in 1932 Adler presented their new 1.5-litre Trumpf with front-wheel drive and independent wheel suspension, a design of H.G. Röhr. This first front-driven car was followed by the 1-litre Trumpf Junior, the 1.7-litre Trumpf and the 2-litre model. The competition versions of these models – very often fitted with aerodynamic bodies – were very successful in the years from their appearance to the outbreak of World War 2. Streamlined Trumpf and Trumpf Junior cars gained 22 international records in 1935 and 1936 on the Avus and the Darmstadt Autobahn. A win in the Leinster Trophy Race of 1934, a Team Prize at Spa in 1936 in the 2-litre class, a 2-litre class win and 6th place overall at Le Mans in 1937 were only a few of the victories. In 1937 Adler introduced a rear-wheel driven model again, the 2.5-litre with 6-cylinder 50bhp engine, aerodynamic body and swing axles. The sports version of this type developed 80bhp.

Production of private ceased in 1939. Some prototypes of the Trumpf Junior were produced after the war and were on show at the Hanover Fair 1948, but production was not taken up. Instead of this, production of motorcycles was resumed, lasting until 1957.

Source: Georgano, encyclopedia of motorcar; HON

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

DeSoto

US, 1913 – 1916

DeSoto Motro Car Co, Auburn, Ind.

The DeSoto appears to have succeeded the Zimmerman. This was a large car with a 55hp, 6-cylinder engine, which was furnished with a compressed-air starter. The DeSoto model Six-55 five-seater touring car sold for $2185.

US, 1928 – 1960

Chrysler Motors Corp, Detroit, Mich.

The DeSoto was launched in 1928 as a 3.2-litre side valve six to compete with Oldsmobile, Pontiac and the cheaper Nashes. Styling and general design of the DeSoto were in line with the 1929 Chryslers, and at $885 for a DeSoto sedan 90.000 were sold in the first twelve months. A 3.4-litre straight-8 DeSoto on a 9ft 6in wheelbase was announced for 1930 as the world’s cheapest 8-cylinder car. However, DeSoto suffered badly in the Depression, and in 1932, when flexible rubber engine mountings and free wheels were made available, sales dropped to 26.000 DeSoto cars.
The DeSoto disappeared from the British market about this time, though certain ‘Chrysler’ models listed in England (the Mortlake, Croydon, and some of the Richmonds) were in fact DeSoto cars in all but name. A 6-cylinder version of Chrysler’s advanced unitary-construction Airflow, the SE-type with a 4-litre engine, was brought out in 1934, but was an unsuccessful as its bigger sister. Later DeSotos followed regular Chrysler lines closely though in later years there was a tendency for DeSoto to move into a higher price class than Dodge; by 1952 DeSotos started $300 higher than the companion make.
By 1939 the DeSoto cars for sale were being made with independent front suspension, hypoid back axles and column change. There was a choice at DeSoto of two 6-cylinder engines and three wheelbase lengths, the longest of these being reserved for seven-seater bodywork – DeSoto continued to offer a really roomy family car right up to 1954. A 4-speed semi-automatic Vacumatic transmission became an option in 1941, but DeSoto’s big post-war change of models did not take place until 1952, when the division followed Chrysler’s lead in adopting the oversquare ohv V8; the DeSoto version was of 4½-litre capcity and developed 16-bhp. With the advent of Chrysler’s ‘flight sweep’ styling in 1955, the side-valve sixes were dropped and the standard engine in a DeSoto was now a 4.8-litre eight, giving 185bhp in Firedome guise, and 200bhp in Fireflite form. Though this redesigning saved Chrysler sales generally, the slump in the medium-price class had an adverse effect on DeSoto and in 1959 the DeSoto division was merged with Plymouth. Last of the DeSotos were the 1961 models, unitary-construction cars with a choice of three engines: Plymouth’s 145bhp ohv ‘slant six’ as used in the Valiant, and V8s of 230 and 265bhp, the two former only in Canadian DeSotos. Production of DeSoto cars ceased in November 1960 after only a few had been delivered.

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