The 4½ Litre S-Type is a passenger car from Invicta, with rear wheel drive, a front located engine and a 2 door convertible/cabriolet body style.
Its engine is a naturally aspirated petrol, 4.5 litre, overhead valve 6 cylinder with 2 valves per cylinder. In this application it develops 110 bhp (112 PS/82 kW) of power at 3200 rpm.
The engine transmits power to the wheels compliments of a 4 speed manual transmission.
The claimed kerb weight is 1473 kg.
Full specs
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| bodywork | |||
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| Body type | 4/5 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2997 mm | 118 inches | |
| Track/tread (front) | 1321 mm | 52 inches | |
| Track/tread (rear) | 1321 mm | 52 inches | |
| Length | 4496 mm | 177 inches | |
| Width | 1727 mm | 68 inches | |
| Height | |||
| Ground clearance | |||
| length:wheelbase ratio | 1.5 | ||
| Kerb weight | 1473 kg | 3247 lb | |
| Weight distribution | |||
| fuel tank capacity | 90.9 litres | 20 [24] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Meadows | ||
| Engine code | |||
| Cylinders | Straight 6 | ||
| Capacity | 4.5 litre 4467 cc (272.593 cu in) |
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| Bore × Stroke | 88.5 × 120 mm
3.48 × 4.72 in |
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| Bore/stroke ratio | 0.74 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 12 valves in total |
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| maximum power output | 112 PS (110 bhp) (82 kW) at 3200 rpm |
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| maximum torque | |||
| Specific output | 18.4 kW/litre 25 ps/litre 24.6 bhp/litre 0.4 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 7:1 | ||
| Fuel system | 2 SU HV5 carbs | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | 4 | ||
| Engine coolant | Water | ||
| Unitary capacity | 744.5 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | |||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | |||
| Power-to-weight ratio | Higher is better 75.72 PS/tonne (1000 kg) 0.08 PS/kg 55.69 kW/tonne (1000 kg) 0.06 kW/kg 74.68 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 17.96 kg/kW 30 lb/bhp |
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| fuel consumption | |||
| Fuel consumption | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| chassis | |||
| Engine position | front | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | LA.SE. | ||
| Rear suspension | LA.SE. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | India 19 x 6.00 | ||
| Tyres rear | India 19 x 6.00 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.60 | ||
| general | |||
| Carfolio.com ID | 56958 | ||
| Production total | 77 | ||
| Model code | |||
| RAC rating | 29.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1929 Invicta 4½ Litre S-Type added before December 1995. Last modified 2013-02-28. |
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