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The DKW 3=6 is a compact front-wheel drive saloon manufactured by Auto Union GmbH. The car was launched at the Frankfurt Motor Show in March 1953 and sold until 1959. It was also named as the DKW Sonderklasse and, following the factory project number, as the DKW F91. From 1958, by which year the car's successor was already being sold and the earlier version had therefore become, in essence, a ‘run-out’ model, it was badged more simply as the DKW 900.
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| DKW Sonderklasse DKW 3=6 DKW F91/F93/F94 | |
|---|---|
 1955-56 DKW 3=6 (F93) | |
| Overview | |
| Manufacturer | Auto Union GmbH |
| Also called | DKW 900 |
| Production | March 1953 - 1959 |
| Assembly | Düsseldorf, West Germany |
| Body and chassis | |
| Class | Compact / Small family car (C) |
| Body style | 2 or 4-door saloon 2-door coupé & cabriolet 3-door 'Universal' estate |
| Layout | FF layout |
| Related | IFA F9 |
| Powertrain | |
| Engine | 896 cc two-stroke straight-3[1] |
| Transmission | 3 or 4 speed manual |
| Dimensions | |
| Wheelbase | 2,350 mm (93 in) (2-door) 2,450 mm (96 in) (4-door) |
| Length | 4,170 mm (164 in) 4,325 mm (170.3 in) |
| Curb weight | 870–970 kg (1,920–2,140 lb) (empty) |
| Chronology | |
| Predecessor | DKW F89 |
| Successor | Auto Union 1000 |
Apart from complications involving its naming, the 3=6's notable features included its two-stroke engine and front-wheel drive layout along with the sure-footed handling that resulted.[2]
In a market segment increasingly dominated by the Volkswagen Beetle, the Auto Union contender also boasted class leading interior space, especially after the arrival of the four-door version, which featured a modestly extended wheelbase.
The DKW 3=6 in due course replaced the DKW F89 / Meisterklasse, although the Meisterklasse remained in production until April 1954. In its turn, the 3=6 was succeeded by the more powerful Auto Union 1000, offered already from 1957.
Many names
DKW was one of four companies that had come together in 1932 to form the Auto Union based in Zwickau. The company was effectively refounded in West Germany in 1949, following the loss to the Soviets of its Zwickau assets. Three of the four businesses that had constituted Auto Union before the war seemed unlikely ever to reappear on either side of the Iron Curtain, but starting in 1949 the DKW name was used for the F89 assembled by Auto Union in the west: this was the model replaced by the 3=6.
- The name ‘Sonderklasse’ differentiated the car from the previous model which had been known as the ‘Meisterklasse’. Both names had also been used for commercially successful DKWs in the 1930s. Sonderklasse is a German verbal concatenation that does not translate comfortably into English: it is based on the word ‘Sonder’ of which one translation is ‘special’, linked to the word ‘Klasse’ which translates as ‘class’, or category’.
- The name ‘3=6’ started out as an advertising slogan, but by the time of the 1955 face lift, the name was to the fore, and the car was advertised as the ‘Large 3=6’ (Großer 3=6) differentiating it from the earlier version which already carried the script ‘3=6’ ahead of the door on its left side. The point of the advertising slogan was to highlight an equivalence between the car's two stroke three cylinder engine and a four stroke six cylinder engine. The underlying logic was that with the two-stroke cycle there is engine power produced by a combustion within each cylinder for every rotation of the crankshaft: with the four-stroke cycle there is power produced by a combustion within each cylinder only for each alternate rotation of the crankshaft. Thus it was asserted that the two-stroke engine was working twice as hard per rotation of the engine. In terms of torque the two-stroke system does indeed appear to have conferred substantial benefits when compared to a four-stroke engine of similar size, but in terms of bhp much of the theoretical energy gain in terms of power output seems to have been dissipated as additional heat which in turn required a larger energy consuming cooling fan, all of which made the arrangement rather noisy when placed just ahead of the driver and front-seat passenger.
- The name F91 was the factory project number of the car. ‘F’ stood for ‘Frontantrieb’ (Frontwheel drive). The F91 was an evolution from the DKW F9 which had been a prototype presented in 1938, planned for production at Auto Union's Zwickau plant from 1940. By 1950 the F9 itself had been made production ready and was being produced as the IFA F9 in Zwickau, so that name was in practice not available to ‘old’ Auto Union's western successor. The DKW F91 was replaced by the F93 followed by the F94, their names also taken from factory project numbers. Because the other names have proved increasingly unfathomable, the names F91, F93 and F94 are the ones commonly used retrospectively.
It was perhaps in recognition that any perceived marketing advantages available from the unconventional namings had been exhausted, that from 1958 the car was sold simply as the DKW 900, the name being now conventionally based on the car's approximate engine displacement. The successor model, already in production in 1957, also benefited from this less challenging nomenclature.
The bodies
The F91 was presented as a two-door saloon with front opening doors which presumably facilitated access. A ‘pillarless’ coupe version, first seen in 1953, was produced from 1954, as well as a cabriolet, bodied by Osnabrück coach builders Karmann. In addition there was a three-door estate version, called the ‘Universal’, which continued to be offered unchanged until June 1957, by which time saloon buyers had been offered the F93, an upgraded version, for two years.
Modifications came progressively. The coupe version had been launched with a ‘panoramic’ three piece wrap around back window, and in the back end of 1954 a similar wrap-around back window appeared on the two-door saloon. Advertising highlighted such features as a fuel gauge and an interior light that could be set to come on automatically when the door was opened.
1955 saw the launch of the F93 version, also known as the Grosse 3=6. This shared the 235-centimetre (92.5 in) wheel-base of the F91, but was slightly longer, wider and taller. The track was also increased by 10 centimetres (3.9 in). In place of horizontal metal slats, the new model featured an oval shaped front grill containing five horizontal metal coloured slats. The oval grill was modified again in 1957 when the slats were replaced by a chrome coloured grid design. Inside there were improvements to the instrumentation and the heating.
The DKW Monza which appeared in 1956 was essentially a DKW F93/F94 under its (light-weight plastic) skin.
In 1957, with the introduction of the F94 version of the car, a four-door version finally became available. The four-door saloon's wheel-base was extended by 10 centimetres (3.9 in) over that of the two door: advertising continued to emphasize the DKW's class leading interior spaciousness. 1957 was also the year when the F91 ‘Universal’ estate version was upgraded to an F94: it now incorporated many of features introduced two years earlier on the saloons.
DKW in Brazil
Auto Union cars were also very popular in South America, where a number of special types based on the DKW 3=6 were manufactured in Brazil under licence by VEMAG from 1956 to 1967. Models sold were the DKW Belcar sedan, the Vemaguet station wagon, and the Fissore, a two-door coupe with a smooth designed body and elegant appointments, which resembled in general terms the DKW F102. The F94 line made by DKW-Vemag was equipped with doors hinged at the front (from 1964) and four headlights (in 1967). Altogether about 109,343 cars were built in Brazil.[3]
Technical
The 896 cc three cylinder engine provided at launch a claimed 34 bhp (25 kW). Following the company's pioneering work in the 1930s, the car had a front-wheel drive configuration which meant there was no bulky driveshaft running through the passenger cabin. The water cooled engine was installed longitudinally above the front wheels - the first appearance of the longitudinal "overhung" engine layout which DKW's successor - Audi - still uses to the present day, but the radiator was located not ahead of the engine but between the engine and the passenger cabin.
The gearbox, controlled by a column mounted lever, was a three speed manual system coupled with a free-wheel device: in Autumn 1953 a four speed box was offered as an option. 1957 saw a further transmission advance with the availability of a Saxomat automatic centrifugal clutch on the DKW.
The F93 version launched in 1955 now boasted power output increased to 38 bhp (28 kW). That increased further to 40 bhp (30 kW) in 1956. The F93 also incorporated a strengthened chassis and improvements to the suspension and braking system.
Data
| DKW 3=6 | F91 (2-door saloon data) |
F93 2-door saloon |
F93 2-door pillarless coupé F93 Karmann cabriolet |
F94 4-door saloon |
F94 ‘Universal’ 3-door estate |
Monza 2-door lightweight sportscar |
|---|---|---|---|---|---|---|
| Produced: | 1953–1955 | 1955–1959 | 1955–1959 | 1957–1959 | 1957–1959 | 1956–1958 |
| Engine: | 3-cylinder-inline engine (two-stroke), longitudinally front-mounted | |||||
| Bore x Stroke: | 71 mm x 76 mm | |||||
| Displacement: | 896 cc | |||||
| Max. Power @ rpm: | 34 hp (25 kW) @ 4000 | 38 hp (28 kW) @ 4250 | 40 hp (30 kW) @ 4250 | 40 hp (30 kW) @ 4250 | 40 hp (30 kW) @ 4250 | 40–55 hp (30–41 kW)- @ 4250 |
| Max. Torque @ rpm: | - | 71.1 N⋅m (52.4 lb⋅ft) @ 3000 | 73.6 N⋅m (54.3 lb⋅ft) @ 3500 | 73.6 N⋅m (54.3 lb⋅ft) @ 3500 | 73.6 N⋅m (54.3 lb⋅ft) @ 3500 | 73.6 N⋅m (54.3 lb⋅ft) @ 3500 |
| Compression Ratio: | 6.5 : 1 | 7.25 : 1 | 7.5 : 1 | 7.5 : 1 | 7.5 : 1 | 7.5 : 1 |
| Fuel feed: | single Solex carburetor | |||||
| Valvetrain: | reed valves on each cylinder | |||||
| Cooling: | Water | |||||
| Gearbox: | 3-speed-manual with freewheel device: column mounted lever control & front-wheel drive. Optional 4 speed manual from 1953. Optional Saxomat automatic centrifugal clutch from 1957. | |||||
| Electrical system: | 6 volt | |||||
| Front suspension: | - | |||||
| Rear suspension:: | - | |||||
| Brakes: | 4-wheel drum | |||||
| Steering: | Rack & pinion | |||||
| Body structure: | Separate steel body on box-frame chassis | |||||
| Dry weight: | 870 kg (1,920 lb) | 930 kg (2,050 lb) | 950 kg (2,090 lb) | 970 kg (2,140 lb) | 950 kg (2,090 lb) | 820 kg (1,810 lb) |
| Track front/ rear: | 1,190 mm (47 in) 1,250 mm (49 in) | 1,290 mm (51 in) 1,350 mm (53 in) | 1,290 mm (51 in) 1,350 mm (53 in) | 1,290 mm (51 in) 1,350 mm (53 in) | 1,290 mm (51 in) 1,350 mm (53 in) | 1,290 mm (51 in) 1,350 mm (53 in) |
| Wheelbase: | 2,350 mm (93 in) | 2,350 mm (93 in) | 2,350 mm (93 in) | 2,450 mm (96 in) | 2,450 mm (96 in) | 2,350 mm (93 in) |
| Length: | 4,200 mm (170 in) | 4,225 mm (166.3 in) | 4,225 mm (166.3 in) | 4,325 mm (170.3 in) | 4,170 mm (164 in) | 4,015–4,090 mm (158.1–161.0 in) |
| Width: | 1,600 mm (63 in) | 1,695 mm (66.7 in) | 1,695 mm (66.7 in) | 1,695 mm (66.7 in) | 1,640 mm (65 in) | 1,660–1,710 mm (65–67 in) |
| Height: | 1,450 mm (57 in) | 1,465 mm (57.7 in) | 1,465 mm (57.7 in) | 1,490 mm (59 in) | 1,565 mm (61.6 in) | 1,350 mm (53 in) |
| Turning circle: | - | 11.6 m / 38' 0⅓" | 11.6 m / 38' 0⅓" | 12.0 m / 39' 4⅓" | 12.0 m / 39' 4⅓" | 11.6 m / 38' 0⅓" |
| Tyre/Tire sizes: | 5.60–15“ | 5.60–15“ | 5.60–15“ | 5.60–15“ | 5.60–15“ | 5.60–15“ |
| Top speed: | 115 km/h (71 mph) | 123 km/h (76 mph) | 123 km/h (76 mph) | 115 km/h (71 mph) | 115 km/h (71 mph) | 130 km/h (81 mph) - 135 km/h (84 mph) |
| Fuel Consumption: | 8.0 litres per 100 kilometres (35 mpg‑imp; 29 mpg‑US) | 10.0 litres per 100 kilometres (28 mpg‑imp; 24 mpg‑US) | 10.0 litres per 100 kilometres (28 mpg‑imp; 24 mpg‑US) | 10.5 litres per 100 kilometres (27 mpg‑imp; 22 mpg‑US) | 10.5 litres per 100 kilometres (27 mpg‑imp; 22 mpg‑US) | 10.0 litres per 100 kilometres (28 mpg‑imp; 24 mpg‑US) |
Sources and further reading
- Gloor, Roger (2007). Alle Autos der 50er Jahre 1945 - 1960 (1. ed.). Stuttgart: Motorbuch Verlag. ISBN 978-3-613-02808-1.
- Gloor, Roger (2007). Alle Autos der 50er Jahre 1945 - 1960 (1. ed.). Stuttgart: Motorbuch Verlag. ISBN 978-3-613-02808-1.
- http://bestcars.uol.com.br
- Oswald, Werner (2001). Deutsche Autos 1945-1990, Band 4 (1. ed.). Stuttgart: Motorbuch Verlag. ISBN 3-613-02131-5.
На других языках
[de] DKW F 93
Der DKW F 93/94 ist ein deutscher Personenkraftwagen, den die Auto Union von 1955 bis 1959 herstellte. Im September 1955 wurde er als Großer DKW 3=6 (Typ F 93) vorgestellt. Er löste den DKW F 91 Sonderklasse ab.- [en] DKW 3=6
[es] DKW F93/F94
En septiembre de 1955, fue desarrollado por Auto Union el DKW F93, comercialmente conocido como el Gran «Große» DKW 3=6, dotado de la misma configuración técnica que su predecesor, el F91, pero con una carrocería más larga y ancha, DKW presentó una clase especial.[it] DKW F93
La DKW F93 è un'autovettura di fascia media prodotta dal 1955 al 1959 dalla Casa automobilistica tedesca Auto Union con il marchio DKW. Con la sigla F94 si intendono le due varianti a passo allungato di 10 cm.[ru] DKW 3=6
DKW 3=6 — легковой переднеприводный автомобиль компакт-класса, выпускавшийся альянсом Auto Union AG. Впервые машина была представлена на Франкфуртском автосалоне в марте 1953 и продавалась до 1959 года. Также была известна под названиями DKW Sonderklasse и, по заводскому обозначению, DKW F91. Начиная с 1958 года, когда на конвейере появилась следующая модель, а эта стала «уходящей», она стала обозначаться проще — DKW 900.Другой контент может иметь иную лицензию. Перед использованием материалов сайта WikiSort.org внимательно изучите правила лицензирования конкретных элементов наполнения сайта.
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