Austin 18
The Austin Eighteen is a large saloon car, supplied in two different wheelbases to carry five or seven passengers, that was introduced by Austin on 14 July 1937. Its engine and front seat were mounted nine inches (225 mm) further forward than on the old York Sixteen it replaced. The chassis was also extended three inches (75 mm) to provide a total of twelve inches (300 mm) more passenger space. One result was a relatively short bonnet and a good driving position. Its new shape followed the lines of the other Austin cars introduced the previous autumn and it was remarkable for having a completely flat floor in both front and rear passenger compartments with exceptionally wide doors and draught-free ventilation.
| Austin Eighteen Iver, Windsor and Norfolk | |
|---|---|
Norfolk 5-seater first registered October 1938 | |
| Overview | |
| Manufacturer | Austin |
| Production | July 1937 – September 1939 Quantity (sold) Longbridge |
| Body and chassis | |
| Body style | saloon: Norfolk 5-seater, Windsor 7-seater LWB with division: Iver LWB |
| Powertrain | |
| Engine | 2,510 cc (153 cu in) Straight-six |
| Transmission | in one unit with the engine: single-plate clutch, 4-speed centrally controlled gearbox with synchromesh on 2, 3 & top.Three quarter floating rear axle |
| Dimensions | |
| Wheelbase | SWB: 112.5 in (2,860 mm) LWB: 123 in (3,100 mm) Track front: 58 in (1,500 mm) Track rear: 58.5 in (1,490 mm) |
| Kerb weight | Windsor LWB: 32 long cwt (3,584 lb; 1,626 kg) |
| Chronology | |
| Predecessor | Austin Sixteen 16 or 18 hp |
| Successor | Austin Sheerline |
| Austin Eighteen engine | |
|---|---|
| Overview | |
| Manufacturer | Austin |
| Production | Longbridge |
| Layout | |
| Configuration | Straight 6-cylinder |
| Displacement | 2,510 cc (153 cu in) |
| Cylinder bore | 69.35 mm (2.730 in) |
| Piston stroke | 111 mm (4.4 in) |
| Cylinder block material | Cast iron. Aluminium pistons with anodised surfaces. Four-bearing crankshaft |
| Cylinder head material | aluminium, detachable |
| Valvetrain | inclined side valves, inlet larger than exhaust |
| Compression ratio | 6.5:1 |
| Combustion | |
| Fuel system | downdraught carburettor with hot spot induction and new manifolding |
| Oil system | floating filter pick up for the oil pump and anti-surge valve |
| Cooling system | forced water circulation thermostatically controlled |
| Output | |
| Power output | 65 bhp (48 kW; 66 PS) @3,400 rpm Tax horsepower 17.9 |
| Chronology | |
| Predecessor | Austin Sixteen 18 hp engine |
| Successor | Austin Sheerline 3460 cc and 3995 cc |
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