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| Technical Specs of This Model |
| 1. |
2.5 1937
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| General Information |
| Make |
Riley |
| Model |
2.5 |
| Production Year |
1937 |
| Country |
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| Designer |
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| Production Number |
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| Model Code |
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| Model Family |
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| Chassis and Dimensions |
| Chassis Type |
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| Number of Doors |
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| Wheelbase |
2950 mm (116,1 in) |
| Front Track |
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| Rear Track |
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| Length |
4550 mm (179,1 in) |
| Width |
1626 mm (64 in) |
| Height |
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| Ground Clearance |
178 mm (7 in) |
| Length / Wheelbase Ratio |
1,54 |
| Weight |
1473 kg (3244,5 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
45,5 litre (10 Imp gal , 12 US gal) |
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| Aerodynamics |
| Drag Coefficient |
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| Frontal Area |
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| Cx |
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| Engine Specifications |
| Engine Manufacturer |
Riley |
| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
OHV |
| Number of Cylinders and Placement |
S-4 |
| Valves per Cylinder |
2 (Total of 8 Pieces) |
| Engine Displacement |
2443 cc (149,08 cu in) |
| Bore |
80,5 mm (3,17 in) |
| Stroke |
120 mm (4,72 in) |
| Bore / Stroke Ratio |
0,67 |
| Unitary Capacity |
610,75 cc/cylinder (37,27 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
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| Fuel System Type |
1 SU carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
80,2 HP (59,8 kW) |
| Maximum Engine Power rpm |
4300 d/d |
| Maximum Engine Torque |
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| Maximum Engine Torque rpm |
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| Engine Torque at Max. Engine Power rpm |
132,8 N.m (4300 d/d) |
| Power / Weight Ratio |
54,4 HP/ton (40,6 W/kg) |
| Power / Engine Displacement Ratio |
32,8 HP/litre (24,5 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
14,9 s |
| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
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| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
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| 0 - 1000 m Acceleration |
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| Top Speed |
130 km/h (80,8 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
4,25 : 1 |
| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
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| Steering Turns (lock to lock) |
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| Turning Circle Diameter |
10,7 m (35,1 ft) |
| Suspension (front) |
LA.SE. |
| Suspension (rear) |
LA.SE. |
| Brakes (front/rear) |
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| Brake Disc Diameter (front) |
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| Brake Disc Diameter (rear) |
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| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
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| Tyres (rear) |
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