Adler Standard 8
| Adler Standard 8 (1928 – 1933) Adler Achtzylinder (1933 – 1934) |
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|---|---|
| Overview | |
| Manufacturer | Adlerwerke |
| Also called | 1928-30: Adler Standard 8 15/70 1931–33: Adler Standard 8 15/80 Adler Favorit (2U) 1933 – 1934 |
| Production | 1928 –1934 1,720 units |
| Assembly | Frankfurt am Main |
| Designer | Prof. Dr. Ing. Gabriel Becker |
| Body and chassis | |
| Body style | “Limousine” (“six-light 4 door saloon) ”Tourenwagen” Various coach built bodies supplied in relatively small numbers by a number of coach builders. |
| Layout | FR layout |
| Powertrain | |
| Engine | 3,887 cc 8 cylinder in-line side-valve engine |
| Transmission | 1928 – 1930 3-speed manual 1931 - 1934 4-speed manual with, from 1933, lockable freewheel (new bodied “Achtzylinder” model only) |
| Dimensions | |
| Wheelbase | 3,325 mm (130.9 in) |
| Length | 1928 - 1934 4,750 mm (187.0 in) (standard bodied cars) 1933 - 1934 4,900 mm (192.9 in) (pullman bodied version) |
| Width | 1928 - 1933 1,770 mm (69.7 in) 1933 - 1934 1,860 mm (73.2 in) (pullman bodied version) |
| Height | 1927 - 1934 1,880 mm (74.0 in) 1933 - 1934 1,800 mm (70.9 in) (pullman bodied version) |
The Adler Standard 8 is a large passenger car introduced in 1928 by the Frankfurt auto-maker, Adler. It was a big eight cylinder “limousine” (saloon) closely modelled on the manufacturer’s Standard 6 which had first appeared in public in October 1926. However the Standard 8 had a longer 3,325 mm (130.9 in) wheelbase as well as a 50 mm (2.0 in) wider track. Although it closely resembled the Standard 6, the Standard 8 was larger all round. The Standard 8 engine had eight cylinders, but individually the cylinder dimensions, at 75 mm (3.0 in) x 110 mm (4.3 in), were identical to those on the six cylinder car as well as on the four cylinder with the Adler Favorit which appeared in 1929.
The structure of the Standard 8 was conservative, with a tall six-light body mounted on an overslung chassis with rigid axles. In these respects, as with the engine, it closely resembled the smaller Adler Standard 6. Just two standard bodied cars were advertised at launch, being the Large 4 door “Limousine” (saloon/sedan) and a 2+2 seater cabriolet priced respectively at 10,800 and 11,500 Marks. The Adler Standard 8 was conservatively engineered and attractively priced: the comparably sized but more powerful and technically innovative 4622 cc Mercedes-Benz 18/80 Typ Nürburg 460 came with an advertised price of 15,000 Marks for a Pullman-Limousine bodied car.
The rear-wheel drive Standard 8 as produced till 1933 was also known as the Adler 15/70 PS till 1930, and thereafter as the 15/80, respecting a traditional style of nomenclature in which the “15” represented the car’s tax horsepower and the second number its true horsepower. The German Finance Office had actually in 1928 replaced “Tax horsepower” with “Tax engine capacity” as a determinant of the amount of annual car tax with which a car’s keeper would be burdened. Due to simplifying roundings applied by the German Finance Office in converting the actual cylinder dimensions to “Tax engine capacity”, cars of this period sometimes have their actual engine size quoted (which in the case of the Adler Standard 8 was 3887cc), and sometimes their engine size for taxation purposes, which in this case was only 3861cc.
In 1931 The Standard 8 appeared with a more powerful engine. Maximum power output increased from 70 PS (51 kW; 69 hp) to 80 PS (59 kW; 79 hp), still at 3200 rpm. There was no change in engine size, but the compression ratio was raised from 1 : 5.0 to 1 : 5.3 and a Stromburg UU2 carburetter replaced the Pallas 4 one which had pre-mixed the combustible mixture in the earlier cars. To go with the new engine, the car also now received a four speed manual transmission replacing the earlier 3-speed box.
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