1928 Riley Brooklands

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.


Key facts

1928 Riley Brooklands information summary

What body style?
2 door 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?
How fast?
129 km/h, 80 mph

Similar models

roadster FF 4M 1482 cm3 51 PS 50 bhp 37 kW
2 door roadster FR 4M 1074 cm3 48.7 PS 48 bhp 35.8 kW 578 kg
2 door roadster FR 4M 1188 cm3 578 kg
2 door roadster FR 4M 1496 cm3 53 PS 52 bhp 39 kW 610 kg
2 door roadster FR 4M 1097 cm3
1928 Riley Brooklands data
Body type2 seater roadster
Number of doors2
dimensions & weights
Wheelbase 2438 96
Track/tread (front) 1213 47.8
Track/tread (rear) 1213 47.8
Ground clearance
length:wheelbase ratio
Kerb weight 800 kg 1764
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
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
Valve gear 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
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
Intercooler None
Catalytic converter N
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/tonne (1000 kg)
46.61 kW/tonne (1000 kg)
62.5 bhp/tonne (1000 kg)
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)
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
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
Braked area
Gearbox 4
Top gear ratio 1
Final drive ratio 4.77
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.