The 20/30 hp ES Sport is a rear wheel drive saloon (sedan) motor vehicle with a front located engine, manufactured by Alfa Romeo.
It is powered by a naturally aspirated engine of 4.8 litre capacity. This powerplant features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It develops 67 bhp (68 PS/50 kW) of power at 2600 rpm.
The engine drives the wheels through a 4 speed manual gearbox.
Claimed weight at the kerb is 1200 kg.
Maximum quoted speed is 130 km/h (81 mph).
Full specs
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| Carrosserie | |||
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| Carrosserie | 4/5 seater sedan/saloon | ||
| Aantal portieren | 4 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2800 | 110.2 | |
| Spoorbreedte voor | 1450 | 57.1 | |
| Spoorbreedte achter | 1450 | 57.1 | |
| Lengte | 4700 | 185 | |
| Breedte | 1780 | 70.1 | |
| Hoogte | 1700 | 66.9 | |
| Bodemvrijheid | |||
| 1.68 | |||
| Gewicht | 1200 kg | 2646 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | |||
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Alfa Romeo | ||
| Motor nummer | |||
| Aantal cilinders | Straight 4 | ||
| Cilinderinhoud | 4.8 litre 4750 cc (289.863 cu in) |
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| Boring × Slag | 102 × 130 mm
4.02 × 5.12 in |
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| Boring/slag verhouding | 0.78 | ||
| Distributie | side valve (SV)
2 Kleppen per cilinder 8 Totaal aantal kleppen |
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| Vermogen | 68 PS (67 bhp) (50 kW) bij 2600 t/min |
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| Max. koppel | |||
| Specific output | 10.5 kW/litre 14.3 ps/litre 14.1 bhp/litre 0.23 bhp/cu in |
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| Motor constructie | cast iron block | ||
| Smering | |||
| Compressieverhouding | 4.45:1 | ||
| Brandstofsysteem | 1 Ze carb | ||
| Maximum tpm | |||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 1187.5 cc | ||
| Aanzuiging | Normal | ||
| Compressor | N/A | ||
| Intercooler | None | ||
| Katalysator | N | ||
| Prestasies | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Max. snelheid | 130 km/h (81 mph) | ||
| Power-to-weight ratio | Higher is better 56.61 PS/tonne (1000 kg) 0.06 PS/kg 41.63 kW/tonne (1000 kg) 0.04 kW/kg 55.83 bhp/tonne (1000 kg) 0.06 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 24.02 kg/kW 40.12 lb/bhp |
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| Verbruik | |||
| Benzineverbruik | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| CO2 Emissies | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Onderstel | |||
| Motor plaatsing | front | ||
| Motor plaatsing | longitudinal | ||
| Aandrijving | rear wheel drive | ||
| Koppelverdeling | N/A | ||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | |||
| Wielophanging voor | LA.LS. | ||
| Wielophanging achter | LA.LS. | ||
| Velgmaat voor | |||
| Velgmaat achter | |||
| Bandenmaat voor | 820 x 120 | ||
| Bandenmaat agter | 820 x 120 | ||
| Bremmen voor/agter | -/Dr | ||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 4 speed manual | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | |||
| Algemeen | |||
| Carfolio.com ID | 51249 | ||
| Totaal gebouwd | 124 | ||
| Bouwserie | |||
| RAC rating | 25.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1921 Alfa Romeo 20/30 hp ES Sport added before December 1995. Last modified 2013-02-28. |
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