1921 Bentley 3-Litre Specs

Bentley

Build Start: 1921

Specifications

General

Build Start:1921

ModelVariant:3-Litre

Dimensions

Track/tread (front):1422

Length:4343mm

Wheelbase:3048mm

Track/tread (rear):1422

Width:1740mm

Kerb weight:1778 kg

Body Details

Body type:4/5 seater sedan/saloon

Engine details

engine type:naturally aspirated petrol

Cylinders:Straight 4

Bore × Stroke:80 × 149 mm, 3.15 × 5.87 in

Specific output:23.4 bhp/litre0.38 bhp/cu in

Catalytic converter:N

Engine layout:longitudinal

Gearbox:4

Final drive ratio:3.78

Engine manufacturer:Bentley

Capacity:3 litre2996 cc(182.827 cu in)

Bore/stroke ratio:0.54

compression ratio:4.3:1

Engine coolant:Water

Aspiration:Normal

Engine position:front

Top gear ratio:1

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Performance

Maximum speed:129 km/h (80 mph)mph

Weight-to-power ratio:34.06 kg/kW, 56.9 lb/bhp

maximum power output:71 PS (70 bhp) (52 kW)at 3500 rpm

Acceleration 0-160km/h (100mph):-1.00 s

Power-to-weight ratio:39.92 PS/tonne (1000 kg), 29.36 kW/tonne (1000 kg), 39.37 bhp/tonne (1000 kg), 0.02 bhp/lb

Drive wheels:rear wheel drive

Fuel Consump.

Fuel system:2 SU carbs

Chassis & Geomtry

length:wheelbase ratio:1.42

Other

Valve gear:single overhead camshaft (SOHC), 4 valves per cylinder, 16 valves in total

Unitary capacity:749 cc

RAC rating:15.9

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