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| Technical Specs of This Model |
| 1. |
Firefly 1932
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| General Information |
| Make |
Alvis |
| Model |
Firefly |
| Production Year |
1932 |
| 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 |
4/5S SAL |
| Number of Doors |
4 |
| Wheelbase |
3010 mm (118,5 in) |
| Front Track |
1321 mm (52 in) |
| Rear Track |
1321 mm (52 in) |
| Length |
4115 mm (162 in) |
| Width |
1600 mm (63 in) |
| Height |
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| Ground Clearance |
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| Length / Wheelbase Ratio |
1,37 |
| Weight |
1320 kg (2907,5 lb) |
| Weight Distribution (front/rear) |
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| Fuel Capacity |
65,9 litre (14,5 Imp gal , 17,4 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 |
Alvis |
| 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 |
1496 cc (91,29 cu in) |
| Bore |
69 mm (2,72 in) |
| Stroke |
100 mm (3,94 in) |
| Bore / Stroke Ratio |
0,69 |
| Unitary Capacity |
374 cc/cylinder (22,82 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
5,8 : 1 |
| Fuel System Type |
1 SU carb |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
50 HP (37,3 kW) |
| Maximum Engine Power rpm |
4250 d/d |
| Maximum Engine Torque |
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| Maximum Engine Torque rpm |
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| Engine Torque at Max. Engine Power rpm |
83,8 N.m (4250 d/d) |
| Power / Weight Ratio |
37,9 HP/ton (28,2 W/kg) |
| Power / Engine Displacement Ratio |
33,4 HP/litre (24,9 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
19 s |
| 0 - 60 mph |
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| 0 - 100 km/h |
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| 0 - 160 km/h |
-1 s |
| 80 - 120 km/h (in top gear) |
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| 0 - 400 m Acceleration |
25 s |
| 0 - 1000 m Acceleration |
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| Top Speed |
116 km/h (72,1 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4M |
| 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 |
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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) |
30 x 5.0 |
| Tyres (rear) |
30 x 5.0 |
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