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| Technical Specs of This Model |
| 1. |
400 1957
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| General Information |
| Make |
Vespa |
| Model |
400 |
| Production Year |
1957 |
| 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 |
2S DHC |
| Number of Doors |
2 |
| Wheelbase |
1694 mm (66,7 in) |
| Front Track |
1100 mm (43,3 in) |
| Rear Track |
1100 mm (43,3 in) |
| Length |
2852 mm (112,3 in) |
| Width |
1270 mm (50 in) |
| Height |
1250 mm (49,2 in) |
| Ground Clearance |
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| Length / Wheelbase Ratio |
1,68 |
| Weight |
360 kg (793 lb) |
| 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 |
Rear |
| Engine Alignment |
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| Engine Construction |
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| Coolant Type |
Air |
| Engine Type |
TS |
| Number of Cylinders and Placement |
S-2 |
| Valves per Cylinder |
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| Engine Displacement |
394 cc (24,04 cu in) |
| Bore |
63 mm (2,48 in) |
| Stroke |
63 mm (2,48 in) |
| Bore / Stroke Ratio |
1 |
| Unitary Capacity |
197 cc/cylinder (12,02 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
6,6 : 1 |
| Fuel System Type |
1 So carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
14 HP (10,4 kW) |
| Maximum Engine Power rpm |
4350 d/d |
| Maximum Engine Torque |
27 N.m (19,9 lb.ft , 2,8 kg.m) |
| Maximum Engine Torque rpm |
2200 d/d |
| Engine Torque at Max. Engine Power rpm |
22,9 N.m (4350 d/d) |
| Power / Weight Ratio |
38,9 HP/ton (29 W/kg) |
| Power / Engine Displacement Ratio |
35,5 HP/litre (26,5 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
58 s |
| 0 - 60 mph |
-1 s |
| 0 - 100 km/h |
-1 s |
| 0 - 160 km/h |
-1 s |
| 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 |
83 km/h (51,6 mph) |
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| Gearbox and Transmission |
| Transmission Type |
3M |
| Top Gear Ratio |
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| Final Drive Ratio |
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| Drive Wheels |
RWD (Rear Wheel Drive) |
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| Handling, Suspension Geometry and Brakes |
| Steering Type |
rack & pinion |
| Steering Turns (lock to lock) |
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| Turning Circle Diameter |
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| Suspension (front) |
I.SlPi.TA.CS. |
| Suspension (rear) |
LA.SwAxle.W.CS. |
| Brakes (front/rear) |
Dr/Dr |
| 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) |
4.00-16 |
| Tyres (rear) |
4.00-16 |
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