1953 Champion 400 H

The Champion 400 H is a convertible/cabriolet with 2 doors and a rear mounted engine which delivers its power to the rear wheels. The Champion 400 H's engine is a naturally aspirated petrol, 0.4 litre, two stroke 2 cylinder. This powerplant develops 14.5 bhp (14.7 PS/10.8 kW) of power at 4000 rpm, and maximum torque of 29 N·m (21.4 lb·ft/3 kgm) at 2600 rpm. The engine supplies its power through to the wheels via a 3 speed manual transmission. Its quoted kerb weight is 520 kg. Its maximum speed claimed is 90 km/h (56 mph).
Full specs

Body type
2 door convertible/cabriolet with 2 seats
Length
3170 mm
Weight
520 kg
Engine type
naturally aspirated petrol
Engine size
0.4 litre
Cylinders
2, Straight
Power
14.7 PS / 14.5 bhp / 10.8 kW @ 4000 rpm
Torque
29 Nm / 21.4 ft.lb / 3 kgm @ 2600 rpm
Top speed
90 km/h / 56 mph

1953 Champion 400 H specifications

1953 Champion 400 H data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	2 seater convertible/cabriolet
Number of doors	2
Designer
dimensions & weights
Wheelbase	1800 mm	70.9 inches
Track/tread (front)	1200 mm	47.2 inches
Track/tread (rear)	1150 mm	45.3 inches
Length	3170 mm	124.8 inches
Width	1470 mm	57.9 inches
Height	1300 mm	51.2 inches
Ground clearance	200 mm	7.9 inches
length:wheelbase ratio	1.76
Kerb weight	520 kg	1146 lb
Weight distribution
fuel tank capacity	24 litres	5.3 [6.3] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Heinkel
Engine code
Cylinders	Straight 2
Capacity	0.4 litre 396 cc (24.165 cu in)
Bore × Stroke	62 × 66 mm 2.44 × 2.6 in
Bore/stroke ratio	0.94
Valve gear	two stroke (TS) 0 valves per cylinder 0 valves in total
maximum power output	14.7 PS (14.5 bhp) (10.8 kW) at 4000 rpm
maximum torque	29 Nm (21.4 ft·lb) (3 kgm) at 2600 rpm
Specific output	27.3 kW/litre 37.1 ps/litre 36.6 bhp/litre 0.6 bhp/cu in
Specific torque	73.23 Nm/litre 0.89 ft·lb/cu³
Engine construction
Lubrication	wet sumped
compression ratio	7.25:1
Fuel system	1 Solex 28 JVS carburettor
bmep (brake mean effective pressure)	460.1 kPa (66.7 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	198 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	90 km/h (56 mph)
Power-to-weight ratio	Higher is better 28.27 PS/tonne (1000 kg) 0.03 PS/kg 20.79 kW/tonne (1000 kg) 0.02 kW/kg 27.88 bhp/tonne (1000 kg) 0.03 bhp/kg 0.01 bhp/lb
Weight-to-power ratio	Lower is better 48.09 kg/kW 80.33 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	rear
Engine layout	longitudinal
Drive wheels	rear wheel drive
Torque split	N/A
Steering
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front	2.50C x 15
Wheel size rear	2.50C x 15
Tyres front	4.25-15
Tyres rear	4.25-15
Brakes F/R	Dr/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	3 speed manual
Top gear ratio	1.3
Final drive ratio	4.43
general
Carfolio.com ID	18821
Production total	1969
Model code
RAC rating	4.8
Insurance classification	No information available
Tax band	No information available
1953 Champion 400 H added before December 1995. Last modified 2015-12-27.