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Volkswagen air cooled engine

Volkswagen E-motor
Volkswagen motor cut 1945.JPG
Overview
Manufacturer Volkswagen
Production 1936–2006
Combustion chamber
Configuration Flat-4 naturally aspirated petrol engine
Cylinder block alloy Aluminum / magnesium alloy
Cylinder head alloy Aluminum / magnesium alloy
Valvetrain Pushrod OHV
Combustion
Fuel system Mechanical / Carbureted
Fuel type Gasoline
Oil system Wet sump
Cooling system Air-cooled
Volkswagen Type 1 engine
Combustion
Fuel system Carburetor
Chronology
Successor Volkswagen Type 4 engine
Volkswagen 1000 engine
Overview
Production 1938–1942
Combustion chamber
Displacement 985 cc (60.1 cu in)
Cylinder bore 70 mm (2.76 in)
Piston stroke 64 mm (2.52 in)
Compression ratio 5.8:1
Output
Power output 18 kW (24 PS; 24 bhp) @ 3,000 rpm,
22 kW (30 PS; 30 bhp)
Volkswagen 1100 engine
Overview
Production 1945–1953
Combustion chamber
Displacement 1,131 cc (69.0 cu in)
Cylinder bore 75 mm (2.95 in)
Piston stroke 64 mm (2.52 in)
Compression ratio 5.8:1
Output
Power output 18 kW (24 PS; 24 bhp) @ 3,300 rpm,
22 kW (30 PS; 30 bhp)
Specific power 15.9 kW (22 PS; 21 bhp) / L (18kW variant)
Torque output 68 N·m (50 lbf·ft) @ 2,000 rpm
Volkswagen Typ 122
VW Boxer 1192cm3.jpg
Overview
Production 1950–1991
Combustion chamber
Displacement 1,192 cc (72.7 cu in)
Cylinder bore 77 mm (3.03 in)
Piston stroke 64 mm (2.52 in)
Compression ratio 7.0:1 – 7.3:1
Combustion
Fuel system Carburettor
Solex 28 PCI or Solex 28 PICT
Fuel type Carburettor fuel
86 RON (7:1 compression ratio)
87 RON (7,3:1 compression ratio)
Output
Power output 22 kW (30 PS; 30 bhp)
25 kW (34 PS; 34 bhp)
27 kW (37 PS; 36 bhp)
30 kW (41 PS; 40 bhp)
Specific power 18.5–21.0 kW (25–29 PS; 25–28 bhp) / L
Torque output depending on engine application, around ~70–80 N·m
Volkswagen 1300 engine
Overview
Production 1966–1995
Volkswagen 1500 engine
Overview
Production 1961–1971
Combustion chamber
Displacement 1,493 cc (91.1 cu in)
Cylinder bore 83 mm (3.27 in)
Piston stroke 69 mm (2.72 in)
Output
Power output 1500N: 33 kW (45 PS; 44 bhp),
1500S: 40 kW (54 PS; 54 bhp)
Specific power 22.1–26.8 kW (30–36 PS; 30–36 bhp) / L
Volkswagen Typ 126
Combustion chamber
Displacement 1584 cm3
Cylinder bore 85,5 mm
Piston stroke 69 mm
Compression ratio 7,7:1
Combustion
Fuel system Carburettor
Solex 30 PICT II or Solex 34 PCI
Fuel type Carburettor fuel 90 RON
Output
Power output With governor, 8 % accuracy:
28,7 kW at 3000 min−1
without governor:
30,9 kW at 3000 min−1
Torque output With governor, 8 % accuracy:
98 N·m at 2000 min−1
without governor:
108,9 N·m at 2000 min−1
Dimensions
Dry weight 100 kg
Volkswagen Type 4 engine
Overview
Production 1968–1983
Chronology
Predecessor Volkswagen Type 1 engine
Successor Volkswagen Wasserboxer engine
Volkswagen 1700 engine
Combustion chamber
Displacement 1,679 cc (102.5 cu in)
Compression ratio 7.8:1
Output
Power output 76 PS (56 kW) @ 5,000 rpm
Torque output 127 N·m (94 lbf·ft) @ 3,500 rpm

The Volkswagen air-cooled engine is an air-cooled boxer engine with four horizontally opposed cast-iron cylinders, cast aluminum alloy cylinder heads and pistons, magnesium crankcase, and forged steel crankshaft and connecting rods.

Variations of the engine were produced by Volkswagen plants worldwide from 1936 until 2006 for use in Volkswagen's own vehicles, notably the Type 1 (Beetle), Type 2 (bus, transporter), Type 3, and Type 4. Additionally, the engines were widely used in industrial, light aircraft and kit car applications.

Like the Volkswagen Beetle produced after the war, the first Volkswagen Transporters (bus) used the Volkswagen air-cooled engine, a 1.1 litre, DIN-rated 18 kW (24 PS, 24 bhp), air-cooled four-cylinder "boxer" engine mounted in the rear. The 22-kilowatt (29 PS; 29 bhp) version became standard in 1955, while an unusual early version of the engine which developed 25 kilowatts (34 PS; 34 bhp) debuted exclusively on the Volkswagen Type 2 (T1) in 1959. Any examples that retain that early engine today are true survivors – since the 1959 engine was totally discontinued at the outset, no parts were ever made available.


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