The Roadmaster Convertible is a rear wheel drive convertible/cabriolet road car with a front mounted engine, produced by Buick.
The Buick Roadmaster Convertible is one of the Series 70 model family from Buick.
Power is supplied by an overhead valve, 5.2 litre naturally aspirated 8 cylinder engine, with 2 valves per cylinder that develops power and torque figures of 188 bhp (191 PS/140 kW) at 4000 rpm and 407 N·m (300 lb·ft/41.5 kgm) at 2400 rpm respectively.
The engine delivers its power through to the wheels via a 2 speed automatic gearbox.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 4/5 seater convertible/cabriolet | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 3086 | 121.5 | |
| Spoorbreedte voor | 1524 | 60 | |
| Spoorbreedte achter | 1575 | 62 | |
| Lengte | 5273 | 207.6 | |
| Breedte | 2032 | 80 | |
| Hoogte | |||
| Bodemvrijheid | |||
| 1.71 | |||
| Gewicht | |||
| Gewichtsverdeling | |||
| Benzinetank inhalt | 75 litres | 16.5 [19.8] UK [US] gal. | |
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Buick | ||
| Motor nummer | |||
| Aantal cilinders | V 8 in 90° vee | ||
| Cilinderinhoud | 5.2 litre 5230 cc (319.154 cu in) |
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| Boring × Slag | 101.6 × 81.3 mm
4 × 3.2 in |
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| Boring/slag verhouding | 1.25 | ||
| Distributie | overhead valve (OHV)
2 Kleppen per cilinder 16 Totaal aantal kleppen |
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| Vermogen | 191 PS (188 bhp) (140 kW) bij 4000 t/min |
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| Max. koppel | 407 Nm (300 ft·lb) (41.5 kgm) bij 2400 t/min |
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| Specific output | 26.8 kW/litre 36.4 ps/litre 35.9 bhp/litre 0.59 bhp/cu in |
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77.82 Nm/litre
0.94 ft·lb/cu3 |
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| Motor constructie | cast iron block | ||
| Smering | Nat carter | ||
| Compressieverhouding | 8.5:1 | ||
| Brandstofsysteem | 2 Carter carburettors | ||
| 977.9 kPa (141.8 psi) | |||
| Maximum tpm | |||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 653.75 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 | |||
| Weight-to-power ratio | |||
| 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 | I.CS. | ||
| Wielophanging achter | LA.CS. | ||
| Velgmaat voor | 6½ x 15 | ||
| Velgmaat achter | 6½ x 15 | ||
| Bandenmaat voor | 8.00 x 15 | ||
| Bandenmaat agter | 8.00 x 15 | ||
| Bremmen voor/agter | Dr/Dr | ||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 2 speed automatic | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | 3.60 | ||
| Algemeen | |||
| Carfolio.com ID | 349635 | ||
| Totaal gebouwd | |||
| Bouwserie | 76C 53-4767X | ||
| Model familie | Series 70 | ||
| RAC rating | 51.2 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1953 Buick Roadmaster Convertible added 2013-07-28. Last modified 2020-02-02. |
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