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ROVER 14/45hp and 16/50hp
Specifications
1924 - 1928
| Engine | |
|---|---|
| The four cylinders are cast monobloc from the finest grey cylinder iron, the bores being ground dead true and finished with a high polish. The cylinder head is detachable, the combustion chambers being truly hemispherical in formation and machined all over internally to ensure even compression in each cylinder, to which much of the remarkably smooth running of the engine is due. The sparking plug is placed in the exact centre of the head - the position acknowledged to be ideal from the point of view of perfect combustion. | |
| 14/45 hp | Cylinder Bore 75 mm - Stroke of Pistons 120 mm - Cubic Capacity 2132 ccm |
| Engine Output ca. 45 bhp - RAC-Rating 13.9 - British Tax per annum £14 | |
| 16/50 hp | Cylinder Bore 80 mm - Stroke of Pistons 120 mm - Cubic Capacity 2413 ccm |
| Engine Output ca. 50 bhp - RAC-Rating 15.9 - British Tax per annum £16 | |
| Valves | |
| The cylinder head carries the valves, which are inclined at an angle of 45 degrees. They are operated by an overhead camshaft driven from the rear end of the crankshaft through silent worm gearing. This camshaft operates the inlet valves direct (through rockers), while the exhaust valves on the opposite side of the head are actuated by horizontal tappet rods. The camshaft and tappets are submerged in a bath of oil, and the rocker bearings are lubricated by pressure. Thus the valve gear is both silent and long-wearing. | |
| Ignition | |
| By high tension magneto, placed high up in a most accessible position (above cylinder head), where it is out of the way of harm through flooded roads, water-splashes, etc. Advance and retard controlled by a lever on the steering wheel. | |
| Engine Cooling | |
| is by water-impeller mounted on cylinder head and driven, with the fan, by belt from the front end of the crankshaft. The belt is kept in adjustment by means of an easily operated moveable flange of the engine pulley. A thermostat is fitted to control the temperature of the engine. | |
| Lubrication | |
| of the entire power unit, including clutch, steering gear and gearbox, is automatically effected by pressure pump from the engine sump, which has capacity for three gallons of oil. This pump forces oil to every bearing in the engine, including mainshafts, big-ends, gudgeon pins and overhead valve rockers. It also feeds oil under pressure to the clutch spigot bearing and the main gearbox bearing, lubricates the clutch and maintains a constand level of oil in the gearbox. The circulation of the oil through the power unit is explained by the diagram. During circulation the oil is thoroughly filtered, and the large capacity of the sump ensures that the lubrication of the unit is effected by cool, clean oil. | |
| Electrical System | |
| The starter motor and dynamo are separate units. The starter is attached to the flywheel casing in a very rigid manner, so that jamming of the Bendix pinices (pinions?) is never possible. The starter is quiet in action. The dynamo is mounted on the side of the gearbox, being driven from the clutch shaft by silent chain, easily adjustable when necessary. Headlamps are mounted on radiator, thus obvisting (?) external wiring and ugly lamp irons, also prolonging life of bulb filaments. | |
| Clutch | |
| This is of the single plate metal-to-metal type, and rans in oil automatically supplied by the engine. All thrust is taken by a special bearing at the rear end of the crank shaft, this bearing being under high oil pressure. | |
| Gearbox | |
| The four-speed gearbox has direct drive on top gear, and the three indirect ratios are very quiet when in use. The internal mechanism of the gearbox is easly accessible, when necessary, as the entire gear assembly, with exception of the constant mesh pinions, can be withdrawn. Gear lever is placed on right-hand side of car, and is adjustable to suit reach of driver. | |
| Transmission | |
| The propeller shaft is enclosed in a drawn steel torque tube which has a bearing midway. This bearing is automatically lubricated from the back axle. The back axle casing is also constructed of solid drawn steel tube. The back axle is of he spiral bevel type, which combines silence with efficient transmission. | |
| Springing | |
| The remarkable comfort of the car is largely due to the excellence of the springing, the rear springs being allowed a range of deflection of no less than 5 inches. Leather spring gaiters are provided, also shock absorbers to the rear springs. | |
| Steering Gear | |
| This is of the worm and sector type, and is automatically lubricated from the engine. The steering of the car is delightfully „light“, and the steering wheel is very comfortable to handle. | |
| Brakes | |
| The large diameter four-wheel brakes are applied by the foot contril, the hand brake applying brakes on the rear wheels only. The unique compensating device through which the brakes are applied prevents skidding through unequal brake pressure. | |
| Wheels | |
| On touring models the wheels are of the pressed steel artillery type, fitted with Dunlop Balloon tyres 31 in x 5.25 in. On the Sports Model, wire wheels are fitted, with Dunlop Cord high pressure tyres, 815x 105. | |
| Finish | |
| The purchaser may select both body colour and upholstery from a comprehensive range. All models are upholstered in the best quality leather. | |
| Principal Chassis Dimenions, etc. | |
| Wheelbase 10 ft - 3048 mm | |
| Track, front and rear 4 ft 6 ins - 1372 mm | |
| Length, including luggage grid 14 ft 10 ins - 4521 mm | |
| Width over wings 6 ft - 1829 mm | |
| Petrol tank capacity 10 gallons - 45,5 Liter The tank is mounted on the left hand side of the car on the chassis. With the Sports models, the tank is placed in the rear of the chassis. | |
| Oil sump capacity 3 gallons - 13,65 Liter | |
| Chassis Prices | |
| 14/45 hp | 1926 £415 |
| 16/50 hp | 1926 £505 |
| Equipment |
|---|
| The equipment is complete in every respect; here are the main items: Electric Starting and Lighting (12 volt) Eight-day Clock of best quality Speedometer with trip and total distance recorder Mechanical Screen Wiper Driving Mirror Double Deflector V Windscreen with adjustable panels Rear Screen to Five-Seater Open Models Electric Horn Bulb Horn Leather Spring Gaiters Spare Wheel and Tyre Shock Absorbers to Rear Springs Folding Luggage Grid with set of straps Electric Lamp on Dash Handy pocket for maps and small parcels in facia board Footrest for rear passengers on all Five-Seater Models Blinds to rear Window and rear side windows on Saloons Rear Window Blind controlled from driving seat. Ladies‘ Companion on Coachbuilt Saloon Model Electric Light, Ventilator and Hat-carrier fitted to roof of Saloons Excellent all-weather equipment on open models Coco fibre mat to front compartment of all models, pile carpet to rear compartments Grease Gun chassis lubrication Toolbox, with lock, fitted on off-side running board, containing complete kit of tools, jack, etc. Large size Tyre Inflator Licence Holder Number Plates Oil-can Instruction Manual |
| Extras |
|---|
| Second spare wheel, with tyre, and fixing brackets for chassis - £12 6s |
| Spare petrol container (to go inside body) - £1 5s 0d |
| High pressure tyres (Dunlop cord 820 x 120) instead low pressure tyres on touring models - £5 |
| „Roverom“ Special Cellulose finish to body, on open models - £10 |
| dto, on enclosed models - £15 |
| Radiance muff, specially shaped for 14/45 hp Rover radiator - £1 5s |
| Rudge-Whitworth wire wheels instead pressed steel type on Touring Models - £12 10s |
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