Opel 4/12 PS 'Laubfrosch' is a car that has a 2 door convertible/cabriolet type body with a front located engine powering the rear wheels.
It is powered by a naturally aspirated engine of 1 litre capacity. This powerplant features side valve valve gear, 4 cylinder layout, and 2 valves per cylinder. It has an output of 12 bhp (12.2 PS/8.9 kW) of power at 2400 rpm.
The engine supplies its power through to the wheels via a 3 speed manual 'box.
Quoted kerb weight is 570 kg.
Full specs
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| Carrosserie | |||
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| Carrosserie | 2 seater convertible/cabriolet | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 2255 | 88.8 | |
| Spoorbreedte voor | 1175 | 46.3 | |
| Spoorbreedte achter | 1175 | 46.3 | |
| Lengte | 3200 | 126 | |
| Breedte | 1350 | 53.1 | |
| Hoogte | 1650 | 65 | |
| Bodemvrijheid | |||
| 1.42 | |||
| Gewicht | 570 kg | 1257 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | |||
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Opel | ||
| Motor nummer | |||
| Aantal cilinders | Straight 4 | ||
| Cilinderinhoud | 1 litre 951 cc (58.034 cu in) |
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| Boring × Slag | 58 × 90 mm
2.28 × 3.54 in |
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| Boring/slag verhouding | 0.64 | ||
| Distributie | side valve (SV)
2 Kleppen per cilinder 8 Totaal aantal kleppen |
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| Vermogen | 12.2 PS (12 bhp) (8.9 kW) bij 2400 t/min |
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| Max. koppel | |||
| Specific output | 9.4 kW/litre 12.8 ps/litre 12.6 bhp/litre 0.21 bhp/cu in |
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| Motor constructie | |||
| Smering | Nat carter | ||
| Compressieverhouding | |||
| Brandstofsysteem | 1 Zenith carburettor | ||
| Maximum tpm | |||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 237.75 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 | |||
| Power-to-weight ratio | Higher is better 21.35 PS/tonne (1000 kg) 0.02 PS/kg 15.7 kW/tonne (1000 kg) 0.02 kW/kg 21.05 bhp/tonne (1000 kg) 0.02 bhp/kg 0.01 bhp/lb |
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| Weight-to-power ratio | Lower is better 63.7 kg/kW 106.4 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 | |||
| Wielophanging achter | |||
| Velgmaat voor | |||
| Velgmaat achter | |||
| Bandenmaat voor | 700 x 80 | ||
| Bandenmaat agter | 700 x 80 | ||
| Bremmen voor/agter | |||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 3 speed manual | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | |||
| Algemeen | |||
| Carfolio.com ID | 559647 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 8.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1924 Opel 4/12 PS 'Laubfrosch' added 2018-09-25. Last modified 2020-03-16. |
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