

(1969 model)
| Marque (make) | Fairthorpe | Issued from | 1969 |
|---|---|---|---|
| Model | EM Mk IV | Issued until | |
| Serie | EM | Number made | |
| Model family | Body construction | ||
| Model code | Body designation | ||
| Manufacturer | Fairthorpe | Country | UK |
| Base platform | Number of doors | 2 | |
|---|---|---|---|
| Bodywork type | drophead coupé (convertible coupé) | Number of seats | 2 |
| Bodywork designer | Cargo capacity (volume) | ||
| Max. cargo capacity (volume) |
| Length | 3632 mm / 143.0 in / 143.0 in | Ground clearance | 102 mm / 4.0 in / 4.0 in |
|---|---|---|---|
| Width | 1473 mm / 58.0 in / 58.0 in | Length/wheelbase ratio | 1.70 |
| Height | 1168 mm / 46.0 in / 46.0 in | Total (curb) weight | 490 kg / 1080 lb / 1080 lb |
| Wheelbase | 2134 mm / 84.0 in / 84.0 in | Dry weight | |
| Track front | 1220 mm / 48.0 in / 48.0 in | Weight distribution (front) | |
| Track rear | 1220 mm / 48.0 in / 48.0 in | Fuel capacity | 41 l / 9.0 UK gal / 10.8 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 | Triumph | Valves per cylinder | 2 |
| Engine construction | Bore | 73.7 mm / 2.90 in / 2.90 in | |
| Fuel | petrol (gasoline) | Stroke | 76.0 mm / 2.99 in / 2.99 in |
| Fuel supply | Bore/Stroke ratio | 0.97 | |
| Engine Main bearings | 3 | Engine displacement | 1296 cm3 / 79.1 cu in / 79.1 cu in |
| Cam Design | OHV (overhead valve, I-head) | Unitary capacity | 324.00 cm3/cylinder / 19.772 cu in/cylinder / 19.772 cu in/cylinder |
| Sump | Compression ratio | 9.5 : 1 | |
| Aspiration | natural | Max. output power | 55.9 kW / 76.0 hp / 76.0 hp at 6000 rpm / 6000 rpm / 6000 rpm |
| Compressor type | N/A | Max. torque | 102.0 Nm / 75.2 lbft / 75.2 lbft at 4000 rpm / 4000 rpm / 4000 rpm |
| Intercooler | none | Maximum rpm | |
| Coolant | water | Max. net output | 55.2 kW / 75.1 bhp / 75.1 bhp |
| Catalytic converter | no | Specific output | 57.9 kW/l / 1.290 bhp/cu in / 1.290 bhp/cu in |
| Specific torque | 78.70 Nm/l / 0.688 lbft/cu in / 0.688 lbft/cu in |
| 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 | ||
|---|---|---|---|
| Acceleration 0-60 mph (96 km/h) | Power-to-weight ratio | 153.06 kW/ton / 208.10 bhp/ton / 208.10 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 | rack & pinion | ||
| Turns lock-to-lock | 4.50 | Turning circle | 7.00 m / 22.97 ft / 22.97 ft |
| Suspension front | I.W.CS.ARB. | Suspension rear | LA.CS. |
| Wheels front | Wheels rear | ||
| Tyres front | Tyres rear | ||
| Brakes front | disc | Brakes rear | drum |
| Brake diameter front | Brake diameter rear | ||
| Braked area |
Technical specifications and performance data of Fairthorpe EM Mk IV