Singer 4AB Roadster 1950-52 specifications

Engine
4 Cylinder in line
Bore: 60mm
Stroke: 95mm
Displacement: 1,074cc,
3 main bearings
Valves: 8, overhead
Carburation: single SU downdraught
Max power: 36bhp at 5,000rpm
12 volt ignition

Performance
Maximum speed: 65mph
0-50mph: 23.8secs
Overall fuel consumption: 32mpg

Construction
Aluminium panels on wood frame. Steel chassis

Brakes
Mechanical & hydraulic, 7in drums

Steering
Burman worm and nut
Turning circle: 34ft

Suspension
Front independentcoil.Rear: rigid axles with semi-elliptic leaf springs

Transmission
Rear wheel drive
Clutch: single, dry plate
Gearbox: 3-speed manual,
ratios 5.43, 9.9 and 18.08 to 1 Synchromesh on 2nd & 3rd
Rear axle: needle bearing open spiral bevel prop shaft
Axle ratio: 5.43 to 1

Wheels
16in pressed steel easy-clean
Tyres: 5 x 16in crossply

Dimensions & Weight
Wheelbase: 7ft 7in
Track: 3ft 9in
Overall length: 12ft 53/4in
Overall width: 4ft 73/4in
Overall height: 4ft 8in
Ground clearance: 6in
Kerb weight: 151/2cwt
Tank capacity: 6 gallons

Production
1939-49: 2,500 produced
Cost new in 1939: £169
Cost in 1946: £335 + £93 P.T.