Lanchester Eighteen 15/18
The Lanchester Eighteen at first known as the 15/18 was announced at the beginning of October 1931. Quite unlike any previous Lanchester it was their first new car following BSA's takeover of The Lanchester Motor Company Limited in January 1931. A medium sized car was a new departure for Lanchester.
| Lanchester 15/18 and Eighteen | |
|---|---|
15/18 six-light saloon, 1932 example | |
| Overview | |
| Manufacturer | The Daimler Company Limited |
| Model years | 1932-1939 |
| Designer | George Lanchester, Laurence Pomeroy |
| Body and chassis | |
| Body style | Catalogued cars:
chassis only 4-door six-light saloon 4-door four-light sports saloon cabriolet town carriage |
| Layout | FR layout |
| Related | Daimler Light Twenty 16/20 |
| Powertrain | |
| Engine | (15/18) 2.504 L I6 (Eighteen) 2.390 L (Eighteen) 2.565 L |
| Transmission | Daimler fluid flywheel and (separately mounted) Wilson four-speed preselective self-changing gearbox |
| Dimensions | |
| Wheelbase | (9'7") 115 in (2,921 mm) and track (4'4") 52 in (1,321 mm) from September 1934 (9'3") 111 in (2,819 mm) and track (4'8") 56 in (1,422 mm) |
| Length | depending on coachwork |
| Width | depending on coachwork |
| Height | depending on coachwork |
| Kerb weight | depending on coachwork |
| Lanchester 15/18 2504 cc | |
|---|---|
| Overview | |
| Manufacturer | The Daimler Company Limited |
| Also called | Daimler Light Twenty |
| Production | mid-1931 to mid-1934 |
| Layout | |
| Configuration | 6-cylinder in-line |
| Displacement | 2,504 cubic centimetres (153 cu in) |
| Cylinder bore | 69.5 mm (2.74 in) |
| Piston stroke | 110 mm (4.3 in) |
| Cylinder block material | Cast-iron Aluminium-alloy pistons |
| Cylinder head material | Detachable |
| Valvetrain | ohv operated by pushrods from a chain-driven camshaft |
| Compression ratio | 5.5:1 |
| Combustion | |
| Fuel system | carburettor |
| Fuel type | Petrol |
| Oil system | full pressure lubrication |
| Cooling system | water. no thermostatic control, pump and fan to radiator |
| Output | |
| Power output | 58 bhp (43 kW; 59 PS) @3,400 rpm Tax rating 17.96 |
| Chronology | |
| Predecessor | none |
| Successor | Eighteen |
| Lanchester Eighteen 2390 cc | |
|---|---|
| Overview | |
| Manufacturer | The Daimler Limited |
| Also called | Daimler Light Twenty |
| Production | mid-1934 to mid-1935 |
| Layout | |
| Configuration | 6-cylinder in-line |
| Displacement | 2,390 cubic centimetres (146 cu in) |
| Cylinder bore | 69.5 mm (2.74 in) |
| Piston stroke | 105 mm (4.1 in) |
| Cylinder block material | Cast-iron with integral head, mounted on a two-piece aluminium crankcase |
| Cylinder head material | Integral head with block Aluminium-alloy pistons |
| Valvetrain | ohv operated by pushrods from a chain-driven camshaft |
| Combustion | |
| Fuel system | carburettor |
| Fuel type | Petrol |
| Oil system | full pressure lubrication |
| Cooling system | water thermostatically controlled with pump and fan to radiator |
| Output | |
| Power output | 0 bhp @0,000 rpm Tax rating 17.97 hp |
| Chronology | |
| Predecessor | 15/18 |
| Lanchester Eighteen 2565 cc | |
|---|---|
| Overview | |
| Manufacturer | The Daimler Company Limited |
| Also called | Daimler Light Twenty |
| Production | mid-1935 to 1939 |
| Layout | |
| Configuration | 6-cylinder in-line |
| Displacement | 2,565 cubic centimetres (157 cu in) |
| Cylinder bore | 72 mm (2.8 in) |
| Piston stroke | 105 mm (4.1 in) |
| Cylinder block material | Cast-iron with integral head, mounted on a two-piece aluminium crankcase |
| Cylinder head material | Integral head with block Aluminium-alloy pistons |
| Valvetrain | ohv operated by pushrods from a chain-driven camshaft |
| Combustion | |
| Fuel system | carburettor |
| Fuel type | Petrol |
| Oil system | full pressure lubrication |
| Cooling system | water thermostatically controlled with pump and fan to radiator |
| Output | |
| Power output | 60 bhp (45 kW; 61 PS) @3,600 rpm, Tax rating 19.3 hp |
| Chronology | |
| Predecessor | Eighteen 2390 cc |
The intention was to extend the BSA group's range of cars into a new price level by offering a car of moderate size and price providing economies by virtue of design and workmanship. This was the first medium sized car to be offered with the Daimler fluid flywheel and Wilson half-automatically changing gearbox which was separately mounted.
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