Audi type M

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Audi
Audi Type M in the museum mobile, Ingolstadt
Audi Type M in the museum mobile , Ingolstadt
Type M
Production period: 1925-1928
Class : Upper class
Body versions : Pullman limousine
Engines: Otto engine :
4.7 liters (51 kW)
Length: 5500 mm
Width: 1850 mm
Height: 2050 mm
Wheelbase : 3750 mm
Empty weight : 2500 kg
Previous model Audi type K
successor Audi type R
“Mixed construction” of the body: sheet metal nailed to a wooden skeleton
Six-cylinder engine with rising current carburetor , the steering gear to the right

The Audi 18/70 hp Type M was an upper class - cars with six-cylinder engine of the Audi Werke AG of Zwickau . The first Audi with a mechanical-hydraulic four-wheel brake was shown at the Berlin Motor Show in autumn 1923 as the successor to the Type K with a four-cylinder engine .

General

In addition to the two prototypes, 228 Type Ms were built between 1925 and 1928. Today there are still three vehicles and a chassis . The successor was the Type R "Imperator" with an eight-cylinder engine, manufactured from 1927 .

Some innovations made in 1923 the Audi 18/70 hp Type M catch the eye of the Berlin Motor Show: the one from aluminum alloy manufactured engine block was designed with a smooth surface; the overhead camshaft was driven by a vertical shaft; for the first time the intake air was filtered; a compressor housed in the gearbox made it easier to inflate the tires.

The vehicle had a front built six-cylinder in-line engine with 4.7 liter displacement , the 70 hp (51 kW) at 2500 min -1 made. The engine had an eight-bearing crankshaft , forced lubrication with an oil cooler and thermostatically controlled water cooling . It drove the rear wheels via a four-speed gearbox with a shift lever in the middle of the car. The car had a leaf-sprung rigid axle at the front and rear . With a price of 22,300  Reichsmarks , the four-door was Pullman - Limousine one of the most expensive cars in the German Reich and brought Audi the bankruptcy very close.

Technical specifications

Type M (18/70 hp)
Construction period 1925-1928
Superstructures PL4
engine 6-cylinder in-line engine, 4-stroke
Valve train Overhead camshaft (ohc) with vertical shaft
Bore × stroke 90 mm × 122 mm
Displacement 4655 cc
Horsepower) 70
Power kW) 51
consumption 22-25 liters / 100 km
Top speed 120 km / h, continuous speed 100 km / h
Empty weight 2500 kg
Electrics 12 volts
length 5500 mm
width 1850 mm
height 2050 mm
wheelbase 3750 mm
Front / rear track 1450 mm / 1450 mm

source

Web links

Remarks

  1. ↑ In relation to the year 1925, this amount, adjusted for purchasing power, corresponds to around € 85,000 in today's currency. The figure was based on the template: Inflation determined, rounded to € 1,000 and applies to the past January.