Key facts

Thomas Model C-1 40 hp, 1907 MY information summary

What body style?
roadster with 2 seats
How heavy?
1066 kg
What size engine?
5.8 litre, 5813 cm3
How many cylinders?
4, Straight
How much power?
How much torque?


Manufacturer data not found

E. R. Thomas Motor Car Company

Thomas Model models

1907 Thomas Model C-1 40 hp technical specifications


This vehicle has a roadster type body with a front mounted engine driving through the rear wheels.
Its engine is a naturally aspirated petrol, 5.8 litre, side valve 4 cylinder with 2 valves per cylinder.
The engine transmits power to the wheels by means of a 3 speed manual 'box.
The Thomas Model C-1 40 hp weighs a quoted 1066 kg at the kerb.
1907 Thomas Model C-1 40 hp data
Thomas Model C-1 40 hp, 1907 MY data
Body type2 seater roadster
Number of doors0
dimensions & weights
Wheelbase 2858 112.5
Track/tread (front) 1422 56
Track/tread (rear) 1422 56
Ground clearance
length:wheelbase ratio
Kerb weight 1066 kg 2350 lb
Weight distribution
fuel tank capacity
Drag coefficient
Frontal area
engine type naturally aspirated petrol
Engine manufacturer
Engine code
Cylinders Straight 4
Capacity 5.8 litre
5813 cc
(354.731 cu in)
Bore × Stroke 120.7 × 127 mm
4.75 × 5 in
Bore/stroke ratio 0.95
side valve (SV)
2 valves per cylinder
8 valves in total
maximum power output
Specific output
maximum torque
Specific torque
Engine construction
compression ratio
Fuel system 1 caburettor
bmep (brake mean effective pressure)
Maximum RPM
crankshaft bearings
Engine coolant Water
Unitary capacity 1453.25 cc
Aspiration Normal
Compressor N/A
Intercooler None
Catalytic converter N
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
Weight-to-power ratio
fuel consumption
Fuel consumption
universal consumption (calculated from the above)
litres per 100km
km per litre
Carbon dioxide emissions
Carfolio Calculated CO2 ?
VED band (UK)
CO2 Effizienz (DE)
Engine position front
Engine layout longitudinal
Drive wheels rear wheel drive  
Torque split N/A
Steering screw & nut
turns lock-to-lock
Turning circle
Front suspension
Rear suspension
Wheel size front
Wheel size rear
Tyres front 34 x 3½
Tyres rear 34 x 4
Brakes F/R -/Dr
Front brake diameter
Rear brake diameter
Gearbox 3 speed manual
Top gear ratio
Final drive ratio
general ID204567
Production total
Model code
Model family
RAC rating 36.1
Insurance classification No information available
Tax band No information available
1907 Thomas Model C-1 40 hp added 2009-09-22.
Last modified 2013-04-13.

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1907 Thomas Model C-1 40 hp

World Car Specifications