One is not yet in a position to cast two cylinders together or afraid to make such a large, homogeneous piece of cast. Or one continues to use the single cylinder. Anyway, there are practically two engines, but for example with continuous shafts.
1903
This Horch is created already on the second location of the company in Saxony. It is indicated with 7 - 8.5 kW (10 - 12 HP) and has as a special feature the entry from the rear for all passengers.
1911
There is the famous story that August Horch leaves his own company in 1909 and after about 10 years founds 'Audi'. The vehicle shown was created after his departure and has a moderately strong engine with 3.2 liter displacement and 51 kW (70 HP).
Actually, this car as a Austro-Daimler does not belong to an Audi collection. But it's such a beautiful specimen and it stands in the Horch Museum in Zwickau in a special place. Moreover, it is one of the first lightweight constructions, developed by Ferdinand Porsche, there we could not resist.
1912
This is an Audi touring car that will famous as 'Alpine Victor', since August Horch wins with it the Austrian Alpine Rally three times in succession. It is accelerated by a 3.6-liter four cylinder with 26 kW (35 HP) to approximately 70 km/h.
1913
The cylinder block is manufactured in one piece for all four cylinders from light metal, the cooling operates according to the principle of heat circulation.
1916
On this vehicle you can clearly see the determination. It is purchased with grants from the administration of the Army and confiscated in the case of the First World War. It has an engine derived from the strongest Horch with 6.5 liter displacement and 31 kW (42 HP). Typical of the time the solid rubber tyres, which crumble at too high speed and heat. Interesting that the car is available both with chain as well with shaft drive.
1919
Here once again a small four-cylinder Horch. It delivers 29 kW (40 HP) with 3.6 liter displacement and will be installed in both passenger cars and trucks.
1920
Typical of the time, the updraught carburetor. What you see here is the top of the float chamber. Here also ends the venturi with the throttle flap. Towards the top, the manifold continues.
1921
It has only two seats one behind the other and as interior equipment only the basics. The car will be famous under the nickname 'Puppchen'. After all, it creates with 11 kW (15 HP) 80 km/h.
Also, the company Wanderer started small. No, this is not the debut feature of the company in terms of automobile. It appears in 1913. This car here is designed for the bad time 1921, very modest and drafty especially.
1922
Here we finally arrived at 'Audi', typical (V-shaped) cooler respectively engine for the time.
1923
A Phaeton is an open touring car. This Audi is available in a smaller version before the First World War and in the larger with 16 kW (22 hp) and 2.1 liters displacement now. The four cylinders are constructed as one block.
1924
This taximeter from the same year is a marvelous thing. It can specify not only the fare and surcharges, but shows on the very small scales the number of trips, the mileage and the time, of course, all purely mechanical.
No, this forerunner of a semaphore turn signal device is electrically actuated not by hand but by a switch on the dashboard.
1927
So a luxury convertible looks inside. 3.2 liter displacement as eight-cylinder in line with very good 44 kW (60 HP). V8 there are, but not yet common.
This is the first eight-cylinder of Germany, by Paul Daimler constructed with two overhead camshafts driven by a vertical shaft.
Precision tachometer of OVA, a predecessor firm of VDO.
1928
Here, the typical mid-size car of the company Wanderer, two liters of displacement and 29 kW (40 HP), spread over four cylinders.
1930
Here you can better recognize the Pullman body.
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A look at the dashboard.
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A relatively inexpensive Horch with eight-cylinder, 5.1-liter displacement and 74 kW (100 HP). The Pullman-body comes from the company Hornig from Saxony.
This is the DKW HP 600, in which a two-cylinder two-stroke engine with 600 cc 13 kW (18 HP) is driven the (rigid) rear axle. You might be surprised about the (caused by the plywood) kerb weight of 500 kg.
1931
A view into the interior of this car so important for DKW. For a downright cheap version it still looks quite well. In addition, this four-seat, closed model is quite rare.
The DKW F1 can not be ignored so easily. Not only that it is the least expensive German car. Even it, like all DKW up to that is built of coated plywood with faux leather. The real innovation is in the front drive, hence the designation 'F'. He is regarded as the first front-wheel drive in this quantity.
Audi produces more likely for the middle class, Horch in view clearly and with success the wealthy. Here's an in-line eight-cylinder with dual overhead camshafts, as a result of this efforts. Paul Daimler, son of Gottlieb Daimler, although no longer at Horch at the time but his influence can still be seen on the vertical shaft, which drives both camshafts.