1947 Dolo JB 20

Concept

This automobile has a 2 door sedan/saloon type body with a front mounted engine supplying power to the front wheels. The power is produced by a naturally aspirated engine of 1.2 litre capacity. This unit features double overhead camshaft valve gear, 8 cylinder layout, and 2 valves per cylinder. It has an output of 42.5 bhp (43.1 PS/31.7 kW) of power at 4200 rpm. A 4 speed manual gearbox transfers the power to the wheels. Stated weight at the kerb is 640 kg.
Full specs

Body type
2 door sedan/saloon with 4 seats
Weight
640 kg
Engine type
naturally aspirated petrol
Engine size
1.2 litre
Cylinders
8, Flat
Power
43.1 PS / 42.5 bhp / 31.7 kW @ 4200 rpm
Torque
Unknown

1947 Dolo JB 20 specifications

1947 Dolo JB 20 data
bodywork
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Body type	4 seater sedan/saloon
Number of doors	2
Designer
dimensions & weights
Wheelbase	2780 mm	109.4 inches
Track/tread (front)	1450 mm	57.1 inches
Track/tread (rear)	1100 mm	43.3 inches
Length
Width	1700 mm	66.9 inches
Height	1560 mm	61.4 inches
Ground clearance
length:wheelbase ratio
Kerb weight	640 kg	1411 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
Engine code
Cylinders	Flat 8
Capacity	1.2 litre 1184 cc (72.252 cu in)
Bore × Stroke	58 × 56 mm 2.28 × 2.2 in
Bore/stroke ratio	1.04
Valve gear	double overhead camshaft (DOHC) 2 valves per cylinder 16 valves in total
maximum power output	43.1 PS (42.5 bhp) (31.7 kW) at 4200 rpm
maximum torque
Specific output	26.8 kW/litre 36.4 ps/litre 35.9 bhp/litre 0.59 bhp/cu in
Engine construction
Lubrication
compression ratio	6.5:1
Fuel system	2 Solex carburettors
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant	Air
Unitary capacity	148 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	Higher is better 67.33 PS/tonne (1000 kg) 0.07 PS/kg 49.52 kW/tonne (1000 kg) 0.05 kW/kg 66.41 bhp/tonne (1000 kg) 0.07 bhp/kg 0.03 bhp/lb
Weight-to-power ratio	Lower is better 20.19 kg/kW 33.73 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	front 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	5.00-15
Tyres rear	5.00-15
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	4 speed manual
Top gear ratio	1
Final drive ratio	4.06
general
Carfolio.com ID	374649
Production total
Model code
Model family	Concept
RAC rating	16.7
Insurance classification	No information available
Tax band	No information available
1947 Dolo JB 20 added 2014-10-22. Last modified 2020-02-02.