The Alvis Speed Twenty SA is a roadster with 4 doors and a front mounted engine which delivers the power to all four wheels.
It's powered courtesy of a naturally aspirated engine of 2.5 litre capacity. This powerplant features overhead valve valve gear, 6 cylinder layout, and 2 valves per cylinder. It develops 90 bhp (91 PS/67 kW) of power at 4500 rpm.
The engine transmits power to the wheels via a 4 speed manual set of gears.
The Alvis Speed Twenty SA weighs a claimed 1321 kg at the kerb.
Top stated speed is 142 km/h or 88 mph.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 2+2 seater roadster | ||
| Aantal portieren | 4 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 3124 | 123 | |
| Spoorbreedte voor | 1321 | 52 | |
| Spoorbreedte achter | 1321 | 52 | |
| Lengte | 4229 | 166.5 | |
| Breedte | 1651 | 65 | |
| Hoogte | |||
| Bodemvrijheid | |||
| 1.35 | |||
| Gewicht | 1321 kg | 2912 | |
| Gewichtsverdeling | |||
| Benzinetank inhalt | |||
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | Alvis | ||
| Motor nummer | |||
| Aantal cilinders | Straight 6 | ||
| Cilinderinhoud | 2.5 litre 2511 cc (153.231 cu in) |
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| Boring × Slag | 73 × 100 mm
2.87 × 3.94 in |
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| Boring/slag verhouding | 0.73 | ||
| Distributie | overhead valve (OHV)
2 Kleppen per cilinder 12 Totaal aantal kleppen |
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| Vermogen | 91 PS (90 bhp) (67 kW) bij 4500 t/min |
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| Max. koppel | |||
| Specific output | 26.7 kW/litre 36.3 ps/litre 35.8 bhp/litre 0.59 bhp/cu in |
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| Motor constructie | |||
| Smering | |||
| Compressieverhouding | |||
| Brandstofsysteem | 3 SU carbs | ||
| Maximum tpm | |||
| Aantal nokkenas lagers | 4 | ||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 418.5 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 | 142 km/h (88 mph) | ||
| Power-to-weight ratio | Higher is better 69.08 PS/tonne (1000 kg) 0.07 PS/kg 50.8 kW/tonne (1000 kg) 0.05 kW/kg 68.13 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb |
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| Weight-to-power ratio | Lower is better 19.68 kg/kW 32.88 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 | wheel drive | ||
| Koppelverdeling | |||
| Stuurinrichting | |||
| Aantal omwentelingen stuurwiel | |||
| Draaicirkel | |||
| Wielophanging voor | LA.SE. | ||
| Wielophanging achter | LA.SE. | ||
| Velgmaat voor | |||
| Velgmaat achter | |||
| Bandenmaat voor | |||
| Bandenmaat agter | |||
| Bremmen voor/agter | Dr/Dr | ||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 4 speed manual | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | 4.70 | ||
| Algemeen | |||
| Carfolio.com ID | 126797 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 19.8 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1932 Alvis Speed Twenty SA added 2005-03-08. Last modified 2013-02-28. |
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