The Rosengart SuperTrahuit ST8 Cabriolet is a convertible/cabriolet with 2 doors and a front mounted engine which transmits its power through the front wheels.
The Rosengart SuperTrahuit ST8 Cabriolet's engine is a naturally aspirated petrol, 3.9 litre, 8 cylinder with 2 valves per cylinder. It has an output of 94 bhp (95 PS/70 kW) of power at 3600 rpm, and maximum torque of 245 N·m (181 lb·ft/25 kgm) at 2800 rpm.
The power is transmitted to the wheels via a 3 speed manual gearbox.
Quoted kerb weight is 1500 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 | 3100 mm | 122 inches | |
| Track/tread (front) | 1500 mm | 59.1 inches | |
| Track/tread (rear) | 1500 mm | 59.1 inches | |
| Length | 4950 mm | 194.9 inches | |
| Width | 1840 mm | 72.4 inches | |
| Height | 1540 mm | 60.6 inches | |
| Ground clearance | 175 mm | 6.9 inches | |
| length:wheelbase ratio | 1.6 | ||
| Kerb weight | 1500 kg | 3307 lb | |
| Weight distribution | |||
| fuel tank capacity | 100 litres | 22 [26.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Mercury | ||
| Engine code | |||
| Cylinders | V 8 | ||
| Capacity | 3.9 litre 3917 cc (239.03 cu in) |
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| Bore × Stroke | 80.9 × 95.25 mm
3.19 × 3.75 in |
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| Bore/stroke ratio | 0.85 | ||
| Valve gear |
2 valves per cylinder 16 valves in total |
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| maximum power output | 95 PS (94 bhp) (70 kW) at 3600 rpm |
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| maximum torque | 245 Nm (181 ft·lb) (25 kgm) at 2800 rpm |
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| Specific output | 17.9 kW/litre 24.3 ps/litre 24 bhp/litre 0.39 bhp/cu in |
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| Specific torque |
62.55 Nm/litre
0.76 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 6.2:1 | ||
| Fuel system | 1 Solex AAIP carburettor | ||
| bmep (brake mean effective pressure) | 786 kPa (114 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 489.63 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 63.54 PS/tonne (1000 kg) 0.06 PS/kg 46.73 kW/tonne (1000 kg) 0.05 kW/kg 62.67 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 21.4 kg/kW 35.74 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 | front wheel drive | ||
| Torque split | N/A | ||
| Steering | rack & pinion | ||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 6.50 x 16 | ||
| Tyres rear | 6.50 x 16 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.70 | ||
| general | |||
| Carfolio.com ID | 374638 | ||
| Production total | |||
| Model code | |||
| RAC rating | 32.5 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1947 Rosengart SuperTrahuit ST8 Cabriolet added 2014-10-22. Last modified 2020-02-02. |
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