The Triumph Roadster TRX is a 2 door convertible/cabriolet style road car with a front mounted engine driving through the rear wheels.
Its engine is a naturally aspirated petrol, 2.1 litre, overhead valve 4 cylinder with 2 valves per cylinder. This powerplant has an output of 71 bhp (72 PS/53 kW) of power at 4200 rpm.
A 4 speed manual transmission delivers the power to the driven wheels.
Its claimed kerb weight is 1163 kg.
Full specs
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| bodywork | |||
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| Body type | 2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2388 mm | 94 inches | |
| Track/tread (front) | 1486 mm | 58.5 inches | |
| Track/tread (rear) | 1372 mm | 54 inches | |
| Length | 4216 mm | 166 inches | |
| Width | 1778 mm | 70 inches | |
| Height | 1397 mm | 55 inches | |
| Ground clearance | 191 mm | 7.5 inches | |
| length:wheelbase ratio | 1.77 | ||
| Kerb weight | 1163 kg | 2564 lb | |
| Weight distribution | |||
| fuel tank capacity | 54.6 litres | 12 [14.4] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 2.1 litre 2088 cc (127.418 cu in) |
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| Bore × Stroke | 85 × 92 mm
3.35 × 3.62 in |
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| Bore/stroke ratio | 0.92 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output | 72 PS (71 bhp) (53 kW) at 4200 rpm |
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| maximum torque | |||
| Specific output | 25.4 kW/litre 34.5 ps/litre 34 bhp/litre 0.56 bhp/cu in |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 7:1 | ||
| Fuel system | 2 SU carbs | ||
| bmep (brake mean effective pressure) | |||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 522 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 61.9 PS/tonne (1000 kg) 0.06 PS/kg 45.52 kW/tonne (1000 kg) 0.05 kW/kg 61.05 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 21.97 kg/kW 36.69 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 | 10.70 m | ||
| Front suspension | I.W.CS. | ||
| Rear suspension | LA.SE.ARB. | ||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.50 x 16 | ||
| Tyres rear | 5.50 x 16 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | 1245 cm2 | ||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 3.58 | ||
| general | |||
| Carfolio.com ID | 120813 | ||
| Production total | |||
| Model code | |||
| RAC rating | 17.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1950 Triumph Roadster TRX added 2004-08-24. Last modified 2013-02-28. |
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