1931 Alta 1100

The Alta 1100 is a roadster with 2 doors and a front mounted engine which transmits the power to the rear wheels. Its 1.1 litre engine is a supercharged, double overhead camshaft, 4 cylinder unit that produces 68 bhp (69 PS/51 kW) of power at 6000 rpm. The Alta 1100 weighs a claimed 660 kg at the kerb.
Full specs

Body type
2 door roadster with 2 seats
Length
3810 mm
Weight
660 kg
Engine type
supercharged petrol
Engine size
1.1 litre
Cylinders
4, Straight
Power
69 PS / 68 bhp / 51 kW @ 6000 rpm
Torque
Unknown

1931 Alta 1100 specifications

1931 Alta 1100 data
bodywork
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Body type	2 seater roadster
Number of doors	2
Designer
dimensions & weights
Wheelbase	2438 mm	96 inches
Track/tread (front)	1270 mm	50 inches
Track/tread (rear)	1270 mm	50 inches
Length	3810 mm	150 inches
Width	1524 mm	60 inches
Height
Ground clearance
length:wheelbase ratio	1.56
Kerb weight	660 kg	1455 lb
Weight distribution
fuel tank capacity
aerodynamics
Drag coefficient
Frontal area
CdA
Powertrain
engine type	supercharged petrol
Engine manufacturer
Engine code
Cylinders	Straight 4
Capacity	1.1 litre 1074 cc (65.54 cu in)
Bore × Stroke	60 × 95 mm 2.36 × 3.74 in
Bore/stroke ratio	0.63
Valve gear	double overhead camshaft (DOHC) 2 valves per cylinder 8 valves in total
maximum power output	69 PS (68 bhp) (51 kW) at 6000 rpm
maximum torque
Specific output	47.2 kW/litre 64.2 ps/litre 63.3 bhp/litre 1.04 bhp/cu in
Engine construction
Lubrication
compression ratio	7.3:1
Fuel system	2 SU carbs
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant	Water
Unitary capacity	268.5 cc
Aspiration	S/Charged
Compressor
Intercooler
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 104.46 PS/tonne (1000 kg) 0.1 PS/kg 76.83 kW/tonne (1000 kg) 0.08 kW/kg 103.03 bhp/tonne (1000 kg) 0.1 bhp/kg 0.05 bhp/lb
Weight-to-power ratio	Lower is better 13.02 kg/kW 21.74 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
Rear suspension
Wheel size front
Wheel size rear
Tyres front
Tyres rear
Brakes F/R
Front brake diameter
Rear brake diameter
Braked area
Gearbox
Top gear ratio
Final drive ratio
general
Carfolio.com ID	14344
Production total
Model code
RAC rating	8.9
Insurance classification	No information available
Tax band	No information available
1931 Alta 1100 added before December 1995. Last modified 2013-02-28.