It's powered courtesy of a naturally aspirated engine of 3.2 litre capacity. This unit features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It produces 36 bhp (36.5 PS/26.8 kW) of power at 1800 rpm.
The power is supplied to the wheels via a 3 speed manual transmission.
The Birch Super Four weighs a claimed 998 kg at the kerb.
Full specs
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| Karosserie | |||
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| Karosserie | |||
| Anzahl türen | |||
| Entwerfer | |||
| Maße und Gewicht | |||
| Radstand | 2921 | 115 Zoll | |
| Spurweite vorn | |||
| Spurweite hinten | |||
| Länge | |||
| Breite | |||
| Höhe | |||
| Bodenfreiheit | |||
| Leergewicht | 998 kg | 2200 Pfund | |
| Gewichtsverteilung (vorn) | |||
| Tankinhalt | |||
| Aerodynamik | |||
| Luftwiderstandsbeiwert | |||
| Stirnfläche | |||
| CdA | |||
| Motorisierung | |||
| naturally aspirated petrol | |||
| Motor Hersteller | Lycoming | ||
| Motor-Typ | |||
| Anzahl zylinders | Straight 4 | ||
| Hubraum | 3.2 litre 3153 cc (192.408 cu in) |
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| Bohrung × Hub | 88.9 × 127 mm
3.5 × 5 in |
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| Bohrung/Hub Verhältnis | 0.7 | ||
| Verteilung | side valve (SV)
2 Ventile pro Zylinder 8 Insgesamt Ventile |
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| Leistung | 36.5 PS (36 bhp) (26.8 kW) bei 1800 U/min |
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| Max. Drehmoment | |||
| spezifisches Leistung | 8.5 kW/litre 11.6 ps/litre 11.4 bhp/litre 0.19 bhp/cu in |
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| Engine construction | |||
| Schmierung | nassersumpf | ||
| Verdichtungsverhältnis | |||
| Vergasser/Einspritzung | 1 Zenith carburettor | ||
| effektiver Mitteldruck | |||
| Höchstdrezahl | |||
| Anzahl der Kurbelwellenlager | 2 | ||
| Abkühlen | Water | ||
| Einheitszylinderinhalt | 788.25 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 | |||
| Power-to-weight ratio | Higher is better 36.57 PS/tonne (1000 kg) 0.04 PS/kg 26.9 kW/tonne (1000 kg) 0.03 kW/kg 36.07 bhp/tonne (1000 kg) 0.04 bhp/kg 0.02 bhp/lb |
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| Weight-to-power ratio | Lower is better 37.18 kg/kW 62.1 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 | |||
| Radaufhängen hintern | |||
| Rädergröße vorn | |||
| Rädergröße hintern | |||
| Reifen vorn | 32 x 3½ | ||
| Reifen hintern | 32 x 3½ | ||
| Bremsen vorn/hintern | |||
| Bremse Durchmesser vorn | |||
| Bremse Durchmesser hintern | |||
| Braked area | |||
| Getriebe | 3 gang Schaltgetriebe | ||
| Hinterachse | 1 | ||
| Hinterachse Übersetzungen | 4.25 | ||
| Allgemein | |||
| Carfolio.com ID | 207647 | ||
| Production total | |||
| Modellnummer | |||
| RAC rating | 19.6 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1919 Birch Super Four added 2010-02-18. Last modified 2013-02-28. |
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