1945 HRG 1500 Aero

The HRG 1500 Aero is a convertible/cabriolet with 2 doors and a front mounted engine which transmits the power through the rear wheels. Power is produced by a single overhead camshaft, 1.5 litre naturally aspirated 4 cylinder motor, with 2 valves per cylinder that provides power and torque figures of 65 bhp (66 PS/48 kW) at 4800 rpm and 96 N·m (71 lb·ft/9.8 kgm) at 4000 rpm respectively. The engine transfers its power through to the wheels via a 4 speed manual gearbox. Quoted kerb weight is 813 kg. The HRG 1500 Aero is claimed to achieve a maxiumum speed of 161 km/h, or 100 mph.
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
4115 mm
Weight
813 kg
Engine type
naturally aspirated petrol
Engine size
1.5 litre
Cylinders
4, Straight
Power
66 PS / 65 bhp / 48 kW @ 4800 rpm
Torque
96 Nm / 71 ft.lb / 9.8 kgm @ 4000 rpm
Top speed
161 km/h / 100 mph

1945 HRG 1500 Aero specifications

1945 HRG 1500 Aero data
bodywork
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Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	2616 mm	103 inches
Track/tread (front)	1219 mm	48 inches
Track/tread (rear)	1143 mm	45 inches
Length	4115 mm	162 inches
Width	1473 mm	58 inches
Height	1257 mm	49.5 inches
Ground clearance	178 mm	7 inches
length:wheelbase ratio	1.57
Kerb weight	813 kg	1792 lb
Weight distribution
fuel tank capacity	50 litres	11 [13.2] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Singer
Engine code
Cylinders	Straight 4
Capacity	1.5 litre 1496 cc (91.292 cu in)
Bore × Stroke	68 × 103 mm 2.68 × 4.06 in
Bore/stroke ratio	0.66
Valve gear	single overhead camshaft (SOHC) 2 valves per cylinder 8 valves in total
maximum power output	66 PS (65 bhp) (48 kW) at 4800 rpm
maximum torque	96 Nm (71 ft·lb) (9.8 kgm) at 4000 rpm
Specific output	32.4 kW/litre 44.1 ps/litre 43.4 bhp/litre 0.71 bhp/cu in
Specific torque	64.17 Nm/litre 0.78 ft·lb/cu³
Engine construction
Lubrication
compression ratio	7:1
Fuel system	2 SU carbs
bmep (brake mean effective pressure)	806.4 kPa (117 psi)
Maximum RPM
crankshaft bearings	3
Engine coolant	Water
Unitary capacity	374 cc
Aspiration	Normal
Compressor	N/A
Intercooler	None
Catalytic converter	N
performance
Acceleration 0-80km/h (50mph)	12.1 s
Acceleration 0-60mph
Acceleration 0-100km/h
Acceleration 0-160km/h (100mph)
Standing quarter-mile	20 s
Standing kilometre
Maximum speed	161 km/h (100 mph)
Power-to-weight ratio	Higher is better 81.06 PS/tonne (1000 kg) 0.08 PS/kg 59.62 kW/tonne (1000 kg) 0.06 kW/kg 79.95 bhp/tonne (1000 kg) 0.08 bhp/kg 0.04 bhp/lb
Weight-to-power ratio	Lower is better 16.77 kg/kW 28.02 lb/bhp
fuel consumption
Fuel consumption
universal fuel consumption (calculated from the above)
litres/100km
km/litre
UK MPG
US MPG
Carbon dioxide emissions
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.QE.
Rear suspension	LA.SE.
Wheel size front
Wheel size rear
Tyres front	5.50 x 16
Tyres rear	5.50 x 16
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	4.00
general
Carfolio.com ID	60346
Production total
Model code
RAC rating	11.5
Insurance classification	No information available
Tax band	No information available
1945 HRG 1500 Aero added before December 1995. Last modified 2013-02-28.