Maxwell, 1921 MY

The 3 litre engine is a naturally aspirated, side valve, 4 cylinder unit that has an output of 25 bhp (25.3 PS/18.6 kW) of power at 1700 rpm. A 3 speed manual transmission transfers the power to the driven wheels.

Pictures

Key facts

Maxwell, 1921 MY information summary

What size engine?
3 litre, 3046 cm3
How many cylinders?
4, Straight
How much power?
25.3 PS / 25 bhp / 18.6 kW @ 1700 rpm
How much torque?
Unknown

Similar models

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FR 4M 3457 cm3
FR 3M 2838 cm3 27.4 PS 27 bhp 20.1 kW 953 kg
sedan/​saloon FR 4M 1568 cm3 24.3 PS 24 bhp 17.9 kW 1150 kg
2 door sedan/​saloon FR 4M 1460 cm3 23.3 PS 23 bhp 17.2 kW 1380 kg
sedan/​saloon FR 4M 1460 cm3 26.9 PS 26.5 bhp 19.8 kW 1380 kg
4 door tourer FR 3M 3384 cm3
FR 3M 1122 cm3 25.3 PS 25 bhp 18.6 kW
4 door tourer FR M 1548 cm3 24.3 PS 24 bhp 17.9 kW
4 door tourer FR 3M 2344 cm3 27.4 PS 27 bhp 20.1 kW 862 kg
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4 door tourer FR 4M 3046 cm3 1379 kg
1921 Maxwell data
bodywork
Body type
Number of doors
Designer
dimensions & weights
Wheelbase 2769 109
Track/tread (front)
Track/tread (rear)
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 Maxwell
Engine code
Cylinders Straight 4
Capacity 3 litre
3046 cc
(185.878 cu in)
Bore × Stroke 92.1 × 114.3 mm
3.63 × 4.5 in
Bore/stroke ratio 0.81
Valve gear side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output 25.3 PS (25 bhp) (18.6 kW)
at 1700 rpm
Specific output 8.2 bhp/litre
0.13 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio
Fuel system 1 Eagle carburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings 2
Engine coolant Water
Unitary capacity 761.5 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
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/100km
km/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
Wheel size front
Wheel size rear
Tyres front 30 x 3½
Tyres rear 30 x 3½
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox 3
Top gear ratio 1
Final drive ratio 3.58
general
Carfolio.com ID214082
Production total
Model code
Model family
RAC rating 21.0
Insurance classification No information available
Tax band No information available
1921 Maxwell added 2010-05-18.
Last modified 2013-02-28.