National Highway Twelve is an automobile that has a 2 door roadster type body with a front located engine supplying power to the rear wheels.
The National Highway Twelve's engine is a naturally aspirated petrol, 5.5 litre, side valve 60 degree V 12 cylinder with 2 valves per cylinder. It has an output of 80 bhp (81 PS/60 kW) of power at 2800 rpm.
Power is transmitted to the wheels through a 3 speed manual gearbox.
Full specs
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| Carrosserie | |||
|---|---|---|---|
| Carrosserie | 3 seater roadster | ||
| Aantal portieren | 2 | ||
| Ontwerper | |||
| Afmetingen en gewicht | |||
| Wielbasis | 3251 | 128 | |
| Spoorbreedte voor | 1422 | 56 | |
| Spoorbreedte achter | 1422 | 56 | |
| Lengte | |||
| Breedte | |||
| Hoogte | |||
| Bodemvrijheid | |||
| Gewicht | |||
| Gewichtsverdeling | |||
| Benzinetank inhalt | |||
| Aërodynamica | |||
| Cw-waarde | |||
| Frontaal oppervlak | |||
| CdA | |||
| naturally aspirated petrol | |||
| Motor fabrikant | National | ||
| Motor nummer | |||
| Aantal cilinders | V 12 in 60° vee | ||
| Cilinderinhoud | 5.5 litre 5548 cc (338.56 cu in) |
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| Boring × Slag | 69.85 × 120.65 mm
2.75 × 4.75 in |
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| Boring/slag verhouding | 0.58 | ||
| Distributie | side valve (SV)
2 Kleppen per cilinder 24 Totaal aantal kleppen |
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| Vermogen | 81 PS (80 bhp) (60 kW) bij 2800 t/min |
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| Max. koppel | |||
| Specific output | 10.8 kW/litre 14.6 ps/litre 14.4 bhp/litre 0.24 bhp/cu in |
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| Motor constructie | |||
| Smering | |||
| Compressieverhouding | |||
| Brandstofsysteem | 1 Rayfield carburettor | ||
| Maximum tpm | |||
| Aantal nokkenas lagers | |||
| Afkoeling | Water | ||
| Eenheidscylinderinhoud | 462.33 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 | |||
| Wielophanging achter | |||
| Velgmaat voor | |||
| Velgmaat achter | |||
| Bandenmaat voor | 36 x 4½ | ||
| Bandenmaat agter | 36 x 4½ | ||
| Bremmen voor/agter | |||
| Rem diameter voor | |||
| Rem diameter agter | |||
| Braked area | |||
| Versnellingsbak | 3 speed manual | ||
| Hoogste versnelling verhouding | 1 | ||
| Achteras verhouding | 4.58 | ||
| Algemeen | |||
| Carfolio.com ID | 201465 | ||
| Totaal gebouwd | |||
| Bouwserie | |||
| RAC rating | 36.3 | ||
| Insurance classification | No information available | ||
| Tax band | No information available | ||
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1916 National Highway Twelve added 2009-08-31. Last modified 2013-02-28. |
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