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Napier 40/50 HP, 1920
| Manufacturer | Napier |
| Model | 40/50 HP |
| Year of production | 1920 |
| Start of production | |
| End of production | |
| Body type |
cabrio, convertible |
| Number of doors | 2 |
| Number of seats | 4 |
| Engine position |
front |
| Drive wheel |
rear |
| Fuel |
petrol |
| Number of cylinders |
inline 6 |
| Cooling |
liquid |
| Capacity | 6177 ccm, 375.2 cu-in |
| Bore | 101.6 mm, 4 in |
| Stroke | 127.0 mm, 5 in |
| Compression ratio | |
| Valve Gear |
OHC |
| Valves per cylinder | |
| Fuel system |
carburator, 1 x Napier-SU |
| Aspiration |
normal |
| Max power [kW / PS / hp] |
60 / 82 / 81 at 2000 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 | 3480 mm, 137 in |
| Front track | |
| Rear track | |
| Length | |
| Width | |
| Height | |
| Weight | 1880 kg, 4145 lb |
| Maximum speed |
130 km/h, 81 mph |
| 0-100 km/h | |
| Standing km | |
| Foto: archiv Auta5P |
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