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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| Karosserie | |||
|---|---|---|---|
| Karosserie | 4/5 seater sedan/saloon | ||
| Anzahl türen | 4 | ||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 2800 | 110.2 Zoll | |
| Spurweite vorn | 1450 | 57.1 Zoll | |
| Spurweite hinten | 1450 | 57.1 Zoll | |
| Länge | 4700 | 185 Zoll | |
| Breite | 1780 | 70.1 Zoll | |
| Höhe | 1700 | 66.9 Zoll | |
| Bodenfreiheit | |||
| 1.68 | |||
| Leergewicht | 1200 kg | 2646 Pfund | |
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | |||
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | Alfa Romeo | ||
| Motor-Typ | |||
| Anzahl zylinders | Straight 4 | ||
| Hubraum | 4.8 litre 4750 cc (289.863 cu in) |
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| Bohrung × Hub | 102 × 130 mm
4.02 × 5.12 in |
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| Bohrung/Hub Verhältnis | 0.78 | ||
| Verteilung | side valve (SV)
2 Ventile pro Zylinder 8 Insgesamt Ventile |
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| Leistung | 68 PS (67 bhp) (50 kW) bei 2600 U/min |
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| Max. Drehmoment | |||
| spezifisches Leistung | 10.5 kW/litre 14.3 ps/litre 14.1 bhp/litre 0.23 bhp/cu in |
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| Engine construction | cast iron block | ||
| Schmierung | |||
| Verdichtungsverhältnis | 4.45:1 | ||
| Vergasser/Einspritzung | 1 Ze carb | ||
| effektiver Mitteldruck | |||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | |||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 1187.5 cc | ||
| Aspiration | Normal | ||
| Kompressor-typ | N/A | ||
| Ladeluftkühler | None | ||
| Katalysator | N | ||
| Fahrleistungen | |||
| 0-80km/h | |||
| 0-60mph | |||
| 0-100km/h | |||
| 0-160km/h | |||
| 0-400m | |||
| 0-1000m | |||
| Vmax/Höchstgeschwindigkeit | 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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| Verbrauch | |||
| Verbrauch | |||
| universal fuel consumption (calculated from the above) | |||
| litres/100km | |||
| km/litre | |||
| UK MPG | |||
| US MPG | |||
| Carbon dioxide emissions | |||
| Carfolio Calculated CO2 ? | |||
| VED band (UK) | |||
| CO2 Effizienz (DE) | |||
| Fahrgestell | |||
| Motor Platzierung | front | ||
| Engine layout | longitudinal | ||
| Antrieb | rear wheel drive | ||
| Drehmomentverteilung | N/A | ||
| Lenkungtyp | |||
| Lenkradumdrehungen | |||
| Wendekruis | |||
| Radaufhängen vorn | LA.LS. | ||
| Radaufhängen hintern | LA.LS. | ||
| Rädergröße vorn | |||
| Rädergröße hintern | |||
| Reifen vorn | 820 x 120 | ||
| Reifen hintern | 820 x 120 | ||
| Bremsen vorn/hintern | -/Dr | ||
| Bremse Durchmesser vorn | |||
| Bremse Durchmesser hintern | |||
| Braked area | |||
| Getriebe | 4 gang Schaltgetriebe | ||
| Hinterachse | 1 | ||
| Hinterachse Übersetzungen | |||
| Allgemein | |||
| Carfolio.com ID | 51249 | ||
| Production total | 124 | ||
| Modellnummer | |||
| 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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