| Specifications of the ROVER 18 hp Tourer, Model Year 1912 |
|---|
| Engine |
| Four cylinders, cast in one pairs; desaxé |
| 90 x 130 mm bore and stroke; 3307 ccm; RAC Rating 20.1 |
| Solid high tensile steel crankshaft on five specially-lined plain bearings |
| Mechanically operated valves with all springs and adjustable tappets enclosed by aluminium side cover, easily removable |
| Solid hardened camshaft |
| Oil pumped into troughs under connecting rods by geared pump placed at the bottom of the sump |
| The overflow of oil from the troughs is filtered on its way back to the sump, in which about 1½ gallons of oil is carried |
| The cooling fan and starting handle are self-contained with the engine |
| Magneto and camshaft driven by silent chains |
| Fan |
| Aluminium, fitted with spring-tension device |
| Clutch |
| Metal to metal; running in oil; single plate; self-contained; quickly detachable without dismantling other parts of mechanism |
| Gears |
| Four speeds forward and one reverse; gate change; direct drive on top |
| Ratios Tourer: First and reverse, 16:1; second 8.3:1; third 5.3:1; fourth 4:1 |
| Ratios Landaulette: First and reverse, 17.5:1; second 9.14:1; third 5.83:1; fourth 4.37:1. |
| Transmission |
| Through cardan shaft to worm-driven rear axle, with universal joint at each end of shaft |
| The engine inclined to keep transmission in straight line |
| Springs |
| Semi-elliptic, extra long; special quality steel |
| Ignition |
| Bosch dual, controlled from steering wheel |
| Carburettor |
| S.U. Manufactured by Rover Co, under Licence |
| Control |
| Throttle and ignition levers on steering wheel and accelerator pedal, operated by right foot |
| Petrol Tank |
| Pressure feed |
| Steering |
| Irreversible worm and segment of hardened steel |
| Ball thrust bearings are provided above and below worm |
| Front Axle |
| Stamped „H-Section“. Fitted with swivel pins on ball bearings |
| Brakes |
| External contracting brake on gearshaft operated by right-hand pedal |
| Internal expanding brakes on rear axle operated by side hand lever |
| Wheels and Tyres |
| Detachable wheels; best selectred oak spokes and ash felloes, fitted with large nave plates |
| Heavy Dunlops 820 x 120 grooved on five-seater |
| Tool Kit |
| Containing full assortment of tools, jack, pump, etc. |
| Measurements and Weights |
| Wheelbase 10 ft - 3048 mm |
| Ground clearance 8 ins - 203 mm |
| Track, front and rear 4 ft 4 ins - 1321 mm |
| Length over all 13 ft 8 ins / 4166 mm |
| Width over all 6 ft / 1829 mm |
| Height over all, Hood up unknown |
| Weight complete unknown |
| Weight of Chassis ca. 16 cwt / ca. 813 kg |
| Width of frame behind dash 32 ins - 864 mm |
| Length of frame - Dash to centre of back axle 7 ft 3 ins - 2210 mm |
| A l l i n f o r m a t i o n w i t h o u t G u a r a n t e e |
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