Rover 6
| Rover 6 hp | |
|---|---|
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1905 open 2-seater
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| Overview | |
| Manufacturer | Rover |
| Production | 1905-1912 |
| Designer | Edmund Woodward Lewis |
| Powertrain | |
| Engine | 780 or 812 cc single-cylinder |
| Transmission | 3-speeds |
| Dimensions | |
| Wheelbase |
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| Length | 111 in (2,819 mm) |
| Width | 48 in (1,219 mm) |
| Kerb weight | 6 cwt, 672 lb (305 kg) |
| Combustion chamber | |
|---|---|
| Configuration | single-cylinder |
| Displacement |
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| Cylinder bore |
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| Piston stroke | 110 mm (4.3 in) |
| Valvetrain | mechanically operated |
| Combustion | |
| Fuel system | Rover (pat.) carburettor |
| Management | High Tension ignition |
| Fuel type | petrol |
| Cooling system | water, circulation by pump, radiator |
| Output | |
| Power output |
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The Rover 6 was a small two-seater 6-horsepower car and only the second car model made by the British Rover car company. Announced in January 1905 a 6-horsepower car remained available from Rover until 1912.
The engine was a 780 cc side-valve, single-cylinder unit, water-cooled, with a bore of 95 mm and stroke of 110 mm. The capacity increased to 812 cc in 1908 when the bore was increased to 97 mm to bring dimensions into line with Rover's new range of four-cylinder cars.
The engine's normal speed was 1200 rpm. Selection of top, middle or low gear provided speeds of 24 mph, 16 mph and 8 mph respectively. The change speed lever mounted in a notched quadrant below the steering wheel is linked by a connecting rod to a vertical spindle in the gearbox. Ignition was by High-Tension current from the Bosch magneto, low tension accumulator ignition was also provided. The crankcase, flywheel and clutch and gearbox enclosures are made up of one pair of aluminium castings. The upper half is bolted directly to the frame at the front and at the rear is bolted to a thin steel cross-member.
The clutch runs in oil and uses the metal to metal gripping disc system of the 8 hp car. Drive was taken to the rear wheels through a three-speed gearbox, light but very similar to the earlier car, and jointed drive shaft. The brake drum at the back of the gearbox surrounds the universal joint, the rear axle casing extends forward to almost the universal joint. There is a bevel wheel in the differential case.
The engine's throttle is operated by a lever below the steering wheel. The same lever simultaneously controls the ignition timing. Petrol is in a tank beneath the driver's seat.
This new smaller car employed a conventional steel reinforced (with flitch plates) wooden chassis with half elliptic leaf springs front and rear supporting the car on rigid axles. The forward end of the springs are fixed rigidly to the chassis frame, the rear ends slide within brackets.
The right pedal applies iron-lined external bands on the rear brake drums through levers and horizontal shafts. The left pedal first releases the clutch then when moved further the same pedal to ease the gear change applies the brake on the propellor shaft drum behind the gearbox. Steering is by rack and pinion. Wheels are of steel wire with tangent spokes.
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Wikipedia