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Estonia 21, 1981
| Manufacturer | Estonia |
| Model | 21 |
| Year of production | 1981 |
| Start of production | 1981 |
| End of production | 1983 |
| Body type |
monopost |
| Number of doors | 0 |
| Number of seats | 1 |
| Engine position |
mid |
| Drive wheel |
rear |
| Fuel |
petrol |
| Number of cylinders |
inline 4 |
| Cooling |
liquid |
| Capacity | 1294 ccm, 78.6 cu-in |
| Bore | 79.0 mm, 3.11 in |
| Stroke | 66.0 mm, 2.598 in |
| Compression ratio | |
| Valve Gear |
OHC |
| Valves per cylinder | 2 |
| Fuel system |
carburator, 1 x |
| Aspiration |
normal |
| Max power [kW / PS / hp] |
63 / 85 / 84 at 7000 rpm |
| Max torque [Nm / ft-lb] |
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| Total power (hybrid) | |
| Total torque (hybrid) |
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| Gearbox | M4 |
| Gearbox (option) | |
| Wheelbase | 2400 mm, 94.5 in |
| Front track | 1470 mm, 57.9 in |
| Rear track | 1435 mm, 56.5 in |
| Length | |
| Width | |
| Height | |
| Weight | 435 kg, 959 lb |
| Maximum speed |
210 km/h, 131 mph |
| 0-100 km/h | |
| Standing km | |
| Foto: archiv Auta5P |
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