The Herald 1200 Convertible is a motor vehicle from Triumph, with rear wheel drive, a front mounted engine and a 2 door convertible/cabriolet body style.
The 4 cylinder, overhead valve naturally aspirated engine has 2 valves per cylinder and a capacity of 1.1 litres. In this application it musters power and torque figures of 48 bhp (48.7 PS/35.8 kW) at 5200 rpm and 84 Nm (62 lbft/8.6 kgm) at 2500 rpm respectively.
This power is delivered to the wheels by means of a 4 speed manual gearbox.
Its claimed weight at the kerb is 785 kg.
Maximum stated speed is 128 km/h, or 80 mph.
Full specs
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| bodywork | |||
|---|---|---|---|
| Body type | 2+2 seater convertible/cabriolet | ||
| Number of doors | 2 | ||
| Designer | |||
| dimensions & weights | |||
| Wheelbase | 2320 mm | 91.3 inches | |
| Track/tread (front) | 1220 mm | 48 inches | |
| Track/tread (rear) | 1220 mm | 48 inches | |
| Length | 3890 mm | 153.1 inches | |
| Width | 1525 mm | 60 inches | |
| Height | 1320 mm | 52 inches | |
| Ground clearance | 170 mm | 6.7 inches | |
| length:wheelbase ratio | 1.68 | ||
| Kerb weight | 785 kg | 1731 lb | |
| Weight distribution | |||
| fuel tank capacity | 29.5 litres | 6.5 [7.8] UK [US] gal. | |
| aerodynamics | |||
| Drag coefficient | |||
| Frontal area | |||
| CdA | |||
| Powertrain | |||
| engine type | naturally aspirated petrol | ||
| Engine manufacturer | Triumph | ||
| Engine code | |||
| Cylinders | Straight 4 | ||
| Capacity | 1.1 litre 1147 cc (69.994 cu in) |
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| Bore × Stroke | 69.3 × 76 mm
2.73 × 2.99 in |
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| Bore/stroke ratio | 0.91 | ||
| Valve gear | overhead valve (OHV)
2 valves per cylinder 8 valves in total |
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| maximum power output (SAE) |
48.7 PS (48 bhp) (35.8 kW) at 5200 rpm |
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| maximum torque (SAE) |
84 Nm (62 ft·lb) (8.6 kgm) at 2500 rpm |
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| Specific output (SAE) |
31.2 kW/litre 42.4 ps/litre 41.8 bhp/litre 0.69 bhp/cu in |
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| Specific torque (SAE) |
73.23 Nm/litre
0.89 ft·lb/cu3 |
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| Engine construction | |||
| Lubrication | wet sumped | ||
| compression ratio | 8.5:1 | ||
| Fuel system | 2 SU carburettors | ||
| bmep (brake mean effective pressure) | 920.3 kPa (133.5 psi) | ||
| Maximum RPM | |||
| crankshaft bearings | 3 | ||
| Engine coolant | Water | ||
| Unitary capacity | 286.75 cc | ||
| Aspiration | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Catalytic converter | N | ||
| performance | |||
| Acceleration 0-80km/h (50mph) | 1 s | ||
| Acceleration 0-60mph | |||
| Acceleration 0-100km/h | |||
| Acceleration 0-160km/h (100mph) | |||
| Standing quarter-mile | |||
| Standing kilometre | |||
| Maximum speed | 128 km/h (80 mph) | ||
| Power-to-weight ratio | Higher is better 62 PS/tonne (1000 kg) 0.06 PS/kg 45.6 kW/tonne (1000 kg) 0.05 kW/kg 61.15 bhp/tonne (1000 kg) 0.06 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 21.93 kg/kW 36.63 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 | rack & pinion | ||
| turns lock-to-lock | 3.750 | ||
| Turning circle | |||
| Front suspension | |||
| Rear suspension | |||
| Wheel size front | |||
| Wheel size rear | |||
| Tyres front | 5.20 x 13 | ||
| Tyres rear | 5.20 x 13 | ||
| Brakes F/R | Dr/Dr | ||
| Front brake diameter | |||
| Rear brake diameter | |||
| Braked area | |||
| Gearbox | 4 speed manual | ||
| Top gear ratio | 1 | ||
| Final drive ratio | 4.11 | ||
| general | |||
| Carfolio.com ID | 729168 | ||
| Production total | |||
| Model code | |||
| RAC rating | 11.9 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1966 Triumph Herald 1200 Convertible added 2021-07-24. Last modified 2021-07-24. |
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