Key facts

1903 Napier 18 L49 information summary

What size engine?
4.9 litre, 4855 cm3
How many cylinders?
6, Straight
How much power?
Unknown
How much torque?
Unknown

Napier

Manufacturer data not found

1903 Napier 18 L49 technical specifications

Introduction

Its engine is a naturally aspirated petrol, 4.9 litre, side valve 6 cylinder with 2 valves per cylinder.
1903 Napier 18 L49 data
1903 Napier 18 L49 data
bodywork
Body type
Number of doors
Designer
dimensions & weights
mminches
Wheelbase 2629 103.5
Track/tread (front) 1270 50
Track/tread (rear) 1270 50
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type naturally aspirated petrol
Engine manufacturer Napier
Engine code
Cylinders Straight 6
Capacity 4.9 litre
4855 cc
(296.27 cu in)
Bore × Stroke 101.6 × 101.6 mm
4 × 4 in
Bore/stroke ratio 1
side valve (SV)
2 valves per cylinder
12 valves in total
maximum power output
Specific output
maximum torque
Specific torque
Engine construction
sump
compression ratio
Fuel system 1 Napier carb
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 809.17 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile
Standing kilometre
Maximum speed
Power-to-weight ratio
Weight-to-power ratio
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
UK MPG
US MPG
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
chassis
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox
Top gear ratio
Final drive ratio
general
Carfolio.com ID92114
Production total
Model code
Model family
RAC rating 38.4
Insurance classification No information available
Tax band No information available
1903 Napier 18 L49 added 2002-01-21.
Last modified 2013-02-28.

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1903 Napier 18 L49


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