(1955 model)
| Marque (make) | HRG | Issued from | 1955 |
|---|---|---|---|
| Model | Twin Cam Prototype | Issued until | |
| Serie | Twin | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | HRG | Country | UK |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | roadster | Number of seats | 2 |
| Bodywork designer | Cargo capacity (volume) | ||
| Max. cargo capacity (volume) |
| Length | 3835 mm / 151.0 in / 151.0 in | Ground clearance | 178 mm / 7.0 in / 7.0 in |
|---|---|---|---|
| Width | 1473 mm / 58.0 in / 58.0 in | Length/wheelbase ratio | 1.57 |
| Height | Total (curb) weight | 737 kg / 1625 lb / 1625 lb | |
| Wheelbase | 2438 mm / 96.0 in / 96.0 in | Dry weight | |
| Track front | 1219 mm / 48.0 in / 48.0 in | Weight distribution (front) | |
| Track rear | 1219 mm / 48.0 in / 48.0 in | Fuel capacity | 55 l / 12.0 UK gal / 14.4 US gal |
| Drag coefficient | Frontal Area | ||
|---|---|---|---|
| Cx |
| Engine Code | Total number of cylinders | 4 | |
|---|---|---|---|
| Engine Type | straight (inline) | Total number of valves | 8 |
| Engine Manufacturer | Valves per cylinder | 2 | |
| Engine construction | Bore | 73.0 mm / 2.87 in / 2.87 in | |
| Fuel | petrol (gasoline) | Stroke | 89.6 mm / 3.53 in / 3.53 in |
| Fuel supply | Bore/Stroke ratio | 0.81 | |
| Engine Main bearings | Engine displacement | 1500 cm3 / 91.5 cu in / 91.5 cu in | |
| Cam Design | DOHC (double overhead camshafts, twin cam) | Unitary capacity | 375.00 cm3/cylinder / 22.884 cu in/cylinder / 22.884 cu in/cylinder |
| Sump | Compression ratio | 8.8 : 1 | |
| Aspiration | natural | Max. output power | 80.5 kW / 109.4 hp / 109.4 hp at 5750 rpm / 5750 rpm / 5750 rpm |
| Compressor type | N/A | Max. torque | at |
| Intercooler | none | Maximum rpm | |
| Coolant | other | Max. net output | 79.4 kW / 108.0 bhp / 108.0 bhp |
| Catalytic converter | no | Specific output | 72.0 kW/l / 1.604 bhp/cu in / 1.604 bhp/cu in |
| Specific torque |
| Transmission type | manual | Number of gears | 4 |
|---|---|---|---|
| Wheel drive | rear wheel drive | Top gear (drive) ratio | 1.00 |
| Final gear (drive) ratio | 4.11 |
| Acceleration 0-50 mph (80 km/h) | Top (maximal) speed | 193 km/h / 120 mph / 120 mph | |
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | 9.60 s / 9.60 s / 9.60 s | Power-to-weight ratio | 146.54 kW/ton / 199.24 bhp/ton / 199.24 bhp/ton |
| Acceleration 0-100 km/h | Fuel consumption, City (urban) | ||
| Acceleration 0-100 mph (160 km/h) | Fuel consumption, Road (extra-urban) | ||
| Acceleration 80-120 km/h (50-70 mph) in top | Fuel consumption, Mixed (combined) | ||
| 0-Quarter-mile time | Fuel consumption, Euro | ||
| 0-Kilometer time | CO2 emissions |
| Engine location | front | Engine alignment | longitudinal |
|---|---|---|---|
| Steering | |||
| Turns lock-to-lock | Turning circle | ||
| Suspension front | I.TL. | Suspension rear | I.TL. |
| Wheels front | Wheels rear | ||
| Tyres front | 5.25-16 | Tyres rear | 5.25-16 |
| Brakes front | Brakes rear | ||
| Brake diameter front | Brake diameter rear | ||
| Braked area |
Technical specifications and performance data of HRG Twin Cam Prototype
