Key facts

1928 Riley Brooklands information summary

What body style?
roadster with 2 seats
How heavy?
800 kg
What size engine?
1.1 litre, 1087 cm3
How many cylinders?
4, Straight
How much power?
51 PS / 50 bhp / 37 kW @ 5000 rpm
How much torque?
Unknown
How fast?
129 km/h, 80 mph

Riley

Riley logo -

Riley logo

1928 Riley Brooklands technical specifications

Introduction

The Riley Brooklands is a roadster with 2 doors and a front mounted powerplant which transmits the power through the rear wheels.
The 1.1 litre engine is an overhead valve, 4 cylinder unit that develops 50 bhp (51 PS/37 kW) of power at 5000 rpm.
A 4 speed manual gearbox transfers the power to the driven wheels.
The Riley Brooklands weighs a claimed 800 kg at the kerb.
Maximum speed claimed is 129 km/h, which is 80 mph.
1928 Riley Brooklands data
1928 Riley Brooklands data
bodywork
Body type2 seater roadster
Number of doors2
Designer
dimensions & weights
mminches
Wheelbase 2438 96
Track/tread (front) 1213 47.8
Track/tread (rear) 1213 47.8
Length
Width
Height
Ground clearance
length:wheelbase ratio
Kerb weight 800 kg 1764 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
engine
engine type
Engine manufacturer Riley
Engine code
Cylinders Straight 4
Capacity 1.1 litre
1087 cc
(66.333 cu in)
Bore × Stroke 60.3 × 95.2 mm
2.37 × 3.75 in
Bore/stroke ratio 0.63
overhead valve (OHV)
2 valves per cylinder
8 valves in total
maximum power output 51 PS (50 bhp) (37 kW)
at 5000 rpm
Specific output 46 bhp/litre
0.75 bhp/cu in
maximum torque
Specific torque
Engine construction
sump
compression ratio 6.5:1
Fuel system 2 SU carbs
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 271.75 cc
Aspiration
Compressor
Intercooler None
Catalytic converter N
performance
Acceleration 0-80km/h (50mph)
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph) -1.00 s
Standing quarter-mile
Standing kilometre
Maximum speed 129 km/h (80 mph)
Power-to-weight ratio 63.37 PS/g
46.61 kW/g
62.5 bhp/ton
0.03 bhp/lb
Weight-to-power ratio 21.46 kg/kW
35.84 lb/bhp
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 LA.SE.
Rear suspension LA.SE.
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Gearbox 4 speed manual
Top gear ratio 1.00
Final drive ratio 4.77
general
Carfolio.com ID49225
Production total
Model code
Model family
RAC rating 9.0
Insurance classification No information available
Tax band No information available
1928 Riley Brooklands added before December 1995.
Last modified 2013-02-28.

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