The Rovin Type C 3 cv D4 is a rear wheel drive vehicle, with the engine mounted in the rear, and a 2 door convertible/cabriolet bodyshell.
Its 2 cylinder, side valve naturally aspirated engine has 2 valves per cylinder and a displacement of 0.5 litres. In this application it musters power and torque figures of 13 bhp (13.2 PS/9.7 kW) at 3200 rpm and 29 Nm (21.4 lbft/3 kgm) at 2500 rpm respectively.
The engine delivers its power through to the wheels via a 3 speed manual gearbox.
Claimed kerb weight is 394 kg.
Maximum stated speed is 85 km/h, which equates to 53 mph.
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 | 1800 mm | 70.9 inches | |
| Track/tread (front) | 980 mm | 38.6 inches | |
| Track/tread (rear) | 980 mm | 38.6 inches | |
| Length | 3150 mm | 124 inches | |
| Width | 1150 mm | 45.3 inches | |
| Height | 1250 mm | 49.2 inches | |
| Ground clearance | 135 mm | 5.3 inches | |
| length:wheelbase ratio | 1.75 | ||
| Kerb weight | 394 kg | 869 lb | |
| Weight distribution | |||
| fuel tank capacity | 22 litres | 4.8 [5.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | |||
| Engine code | |||
| Cylinders | Flat 2 | ||
| Capacity | 0.5 litre 462 cc (28.193 cu in) |
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| Bore × Stroke | 70 × 60 mm
2.76 × 2.36 in |
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| Bore/stroke ratio | 1.17 | ||
| Valve gear | side valve (SV)
2 valves per cylinder 4 valves in total |
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| maximum power output | 13.2 PS (13 bhp) (9.7 kW) at 3200 rpm |
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| maximum torque | 29 Nm (21.4 ft·lb) (3 kgm) at 2500 rpm |
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| Specific output | 21 kW/litre 28.5 ps/litre 28.1 bhp/litre 0.46 bhp/cu in |
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| Specific torque |
62.77 Nm/litre
0.76 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | |||
| compression ratio | 6.5:1 | ||
| Fuel system | 1 Solex 26 ZACI carburettor | ||
| bmep (brake mean effective pressure) | 788.8 kPa (114.4 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | |||
| Engine coolant | Water | ||
| Unitary capacity | 231 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 | 85 km/h (53 mph) | ||
| Power-to-weight ratio | Higher is better 33.45 PS/tonne (1000 kg) 0.03 PS/kg 24.6 kW/tonne (1000 kg) 0.02 kW/kg 32.99 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 40.64 kg/kW 67.89 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 | rear | ||
| Engine layout | longitudinal | ||
| Drive wheels | rear wheel drive | ||
| Torque split | N/A | ||
| Steering | |||
| turns lock-to-lock | |||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 2.70-90 | ||
| Tyres rear | 2.70-90 | ||
| Brakes F/R | |||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 3 speed manual | ||
| Top gear ratio | 0.86 | ||
| Final drive ratio | 4.88 | ||
| general | |||
| Carfolio.com ID | 229042 | ||
| Production total | |||
| Model code | |||
| RAC rating | 6.1 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1952 Rovin Type C 3 cv D4 added 2011-01-11. Last modified 2020-02-02. |
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