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| Technical Specs of This Model |
| 1. |
Mk I 1954
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| General Information |
| Make |
Swallow Doretti |
| Model |
Mk I |
| Production Year |
1954 |
| 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 |
2413 mm (95 in) |
| Front Track |
1219 mm (48 in) |
| Rear Track |
1254 mm (49,4 in) |
| Length |
3962 mm (156 in) |
| Width |
1549 mm (61 in) |
| Height |
1295 mm (51 in) |
| Ground Clearance |
152 mm (6 in) |
| Length / Wheelbase Ratio |
1,64 |
| Weight |
864 kg (1903,1 lb) |
| Weight Distribution (front/rear) |
%52 / %48 |
| Fuel Capacity |
56,8 litre (12,5 Imp gal , 15 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 |
Triumph |
| 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 |
1991 cc (121,5 cu in) |
| Bore |
83 mm (3,27 in) |
| Stroke |
92 mm (3,62 in) |
| Bore / Stroke Ratio |
0,9 |
| Unitary Capacity |
497,75 cc/cylinder (30,37 cu in/cylinder) |
| Number of Main Bearings |
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| Compression Ratio |
8,5 : 1 |
| Fuel System Type |
2 SU H4 carbs |
| Aspiration Type |
Normal |
| Compressor Type |
- |
| Intercooler Type |
None |
| Catalytic Converter |
No |
| Maximum Engine Power |
90 HP (67,1 kW) |
| Maximum Engine Power rpm |
4800 d/d |
| Maximum Engine Torque |
159 N.m (117,3 lb.ft , 16,2 kg.m) |
| Maximum Engine Torque rpm |
3000 d/d |
| Engine Torque at Max. Engine Power rpm |
133,5 N.m (4800 d/d) |
| Power / Weight Ratio |
104,2 HP/ton (77,7 W/kg) |
| Power / Engine Displacement Ratio |
45,2 HP/litre (33,7 kW/litre) |
| CO2 Emissions |
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| Fuel Consumption |
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| Performance |
| 0 - 80 km/h |
7,8 s |
| 0 - 60 mph |
11,6 s |
| 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 |
18,1 s |
| 0 - 1000 m Acceleration |
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| Top Speed |
169 km/h (105 mph) |
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| Gearbox and Transmission |
| Transmission Type |
4OD |
| Top Gear Ratio |
0,82 : 1 |
| Final Drive Ratio |
3,7 : 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 |
11,1 m (36,4 ft) |
| Suspension (front) |
I.CS.W. |
| Suspension (rear) |
LA.SE. |
| Brakes (front/rear) |
Dr/Dr |
| Brake Disc Diameter (front) |
254 mm |
| Brake Disc Diameter (rear) |
229 mm |
| Wheels (front) |
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| Wheels (rear) |
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| Tyres (front) |
5.50 x 15 |
| Tyres (rear) |
5.50 x 15 |
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