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| Technical Specs of This Model |
| 1. |
12/20 1925
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| General Information |
| Make |
Calthorpe |
| Model |
12/20 |
| Production Year |
1925 |
| 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 |
2743 mm (108 in) |
| Front Track |
1219 mm (48 in) |
| Rear Track |
1219 mm (48 in) |
| Length |
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| Width |
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| Height |
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| Ground Clearance |
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| Length / Wheelbase Ratio |
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| Weight |
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| Weight Distribution (front/rear) |
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| Fuel Capacity |
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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 |
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| Engine Location |
Front |
| Engine Alignment |
Longitudinal |
| Engine Construction |
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| Coolant Type |
Water |
| Engine Type |
SOHC |
| Number of Cylinders and Placement |
S-6 |
| Valves per Cylinder |
2 (Total of 12 Pieces) |
| Engine Displacement |
1870 cc (114,11 cu in) |
| Bore |
63 mm (2,48 in) |
| Stroke |
100 mm (3,94 in) |
| Bore / Stroke Ratio |
0,63 |
| Unitary Capacity |
311,67 cc/cylinder (19,02 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
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| Fuel System Type |
1 So carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
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| Maximum Engine Power rpm |
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| Maximum Engine Torque |
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| Maximum Engine Torque rpm |
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| Engine Torque at Max. Engine Power rpm |
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| Power / Weight Ratio |
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| Power / Engine Displacement Ratio |
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| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
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| 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 |
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| Gearbox and Transmission |
| Transmission Type |
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| Top Gear Ratio |
1 : 1 |
| Final Drive Ratio |
4,8 : 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 |
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| 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) |
3.5 x 19 |
| Tyres (rear) |
3.5 x 19 |
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