1950 Champion 250

The Champion 250 is a rear wheel drive motor vehicle, with its engine positioned in the rear, and a roadster body. The Champion 250's engine is a naturally aspirated petrol, 0.2 litre, two stroke 1 cylinder. This unit has an output of 6.4 bhp (6.5 PS/4.8 kW) of power at 4700 rpm, and maximum torque of 11.8 N·m (8.7 lb·ft/1.2 kgm) at 4200 rpm. The engine transmits power to the wheels via a 3 speed manual gearbox. Stated weight at the kerb is 260 kg. It is claimed to achieve a maxiumum speed of 65 km/h (40 mph).
Full specs

Body type
0 door roadster with 2 seats
Length
2850 mm
Weight
260 kg
Engine type
naturally aspirated petrol
Engine size
0.2 litre
Cylinders
1
Power
6.5 PS / 6.4 bhp / 4.8 kW @ 4700 rpm
Torque
11.8 Nm / 8.7 ft.lb / 1.2 kgm @ 4200 rpm
Top speed
65 km/h / 40 mph

1950 Champion 250 specifications

1950 Champion 250 data
bodywork
Français Deutsch Nederlands Italiano Español English
Body type	2 seater roadster
Number of doors	0
Designer
dimensions & weights
Wheelbase	1800 mm	70.9 inches
Track/tread (front)	1200 mm	47.2 inches
Track/tread (rear)	1200 mm	47.2 inches
Length	2850 mm	112.2 inches
Width	1360 mm	53.5 inches
Height	1280 mm	50.4 inches
Ground clearance
length:wheelbase ratio	1.58
Kerb weight	260 kg	573 lb
Weight distribution
fuel tank capacity	8 litres	1.8 [2.1] UK [US] gal.
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	naturally aspirated petrol
Engine manufacturer	Triumph
Engine code
Cylinders	1
Capacity	0.2 litre 248 cc (15.134 cu in)
Bore × Stroke	66 × 70 mm 2.6 × 2.76 in
Bore/stroke ratio	0.94
Valve gear	two stroke (TS)
maximum power output	6.5 PS (6.4 bhp) (4.8 kW) at 4700 rpm
maximum torque	11.8 Nm (8.7 ft·lb) (1.2 kgm) at 4200 rpm
Specific output	19.2 kW/litre 26.2 ps/litre 25.8 bhp/litre 0.42 bhp/cu in
Specific torque	47.58 Nm/litre 0.58 ft·lb/cu³
Engine construction
Lubrication	wet sumped
compression ratio	6.1:1
Fuel system	1 Bing carburettor
bmep (brake mean effective pressure)	299 kPa (43.4 psi)
Maximum RPM
crankshaft bearings
Engine coolant	Air
Unitary capacity	248 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	65 km/h (40 mph)
Power-to-weight ratio	Higher is better 24.96 PS/tonne (1000 kg) 0.02 PS/kg 18.36 kW/tonne (1000 kg) 0.02 kW/kg 24.62 bhp/tonne (1000 kg) 0.02 bhp/kg 0.01 bhp/lb
Weight-to-power ratio	Lower is better 54.48 kg/kW 91 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	unknown
Drive wheels	rear 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	3.25-16
Tyres rear	3.25-16
Brakes F/R	-/Dr
Front brake diameter
Rear brake diameter
Braked area
Gearbox	3 speed manual
Top gear ratio	1.15
Final drive ratio	2.85
general
Carfolio.com ID	447810
Production total
Model code
RAC rating	2.7
Insurance classification	No information available
Tax band	No information available
1950 Champion 250 added 2015-12-27. Last modified 2020-03-16.