ROVER 12hp/14hp 1919-24

ROVER 14hp 4/5-Seater Tourer Specification Model Year 1924
Engine
Four cylinder, Monobloc cylinder casting with induction ports cast integral
Detachable cylinder head
Cylinders slightly offset to reduce angularity of connecting rods on power stroke
Water cooled, with pump driven from fanshaft
75 x 130 mm bore and stroke, Capacity 2296 cc
RAC rating 13.9 hp - about one-third power actually developed
Tax £14 per annum, £4 4s per quarter
Crankshaft
Supported on three main bearings, 2 ins diameter
Main and connecting rod bearings white-metalled and of maximum surface to ensure long life and quietness
Oil forced through crankshaft to all bearings
Lubrication
Pressure feed, Sump has capacity for 1½ gallons of oil
Normal consumption about 1,000 m.p.g.
Mechanical pump circulates oil through filter, which is instantly detachable for cleaning
After passing through engine, oil is again filtered before return to sump
Pressure gauge on dash
Pistons
Of special close-grained cast iron, 3 rings
Connecting rods and pistons balanced during assembly
Valves and Timing gear
Side-by-side valves, enclosed by aluminium dust and noise proof cover which is quickly detachable
Adjustable tappets
Camshaft machined from solid bar and driven by silent chain
3 bearings lubricated under pressure
Fuel System
S.U. carburetter, with device for enriching mixture for starting and slow pulling
Foot accelerator and hand slow running control
Petrol tank mounted at rear of chassis, contoured to frame
Capacity 12 gallons, Vacuum feed to carburetter
Ignition
By high tension magneto driven by silent chain, with advance and retard control on steering wheel
Electrical equipment
Dynamo mounted above magneto, belt driven
12-volt lighting and starting system
Starter motor acts on flywheel through Bendix gear, and is operated by button on dash
Storage battery carried on running board
Clutch
Metal to metal, running in oil, single plate, easily adjusted if necessary
Gearbox
Four-speed gearbox, direct drive on top, shafts run on ball-bearings
Gear ratios: 4.375, 7.15, 11.4, and 18.5
Reverse pinions only in motion when in use, ratio 15.4
Right hand gear control
Three speed gearbox fitted at option to open model 2-vand 4-seaters
Ratios: First, 14.4 : 1; second, 7.56 : 1; third, 4,375 : 1
Lower gear ratios can be fitted if desired
Transmission
Worm axle, absolute silent, semi-floating type
Hardy joint between clutch and gearbox
Tubular torque member relieves springs of all driving strain
Springing
Semi-elliptic springs throughout
Spring shackles always in tension, preventing wear and rattle
Springs enclosed in leather gaiters, packed with grease
Shock absorbers of the D.N. oil damper pattern are fitted front and rear, and ensure smooth riding over the worst roads
Steering Gear
Worm ans sector type
Ball thrust bearings ensure light steering, aided by inclined stub axles
All steering connections of extreme solidity
Steering wheel 17 ins in diameter, ebonite covered, and with special hand grips
Brakes
Foot brake on four-speed model operates in drum behind gearbox, internal expanding
Drum ribbed to assist cooling on long descents
Adjustment by single wing nut, easily accessible
On three-speed model foot brake is external contracting
Hand-brake internal expanding in drums on rear wheels, compensated for equal pressure, with handy adjusting nuts
Wheels and Tyres
5 Steel artillery, quickly detachable, with secure fixing
All wheels, including spare, fitted with Dunlop cord heavy tyres 815 x 105
Finish
Coachwork to any standard Rover colour (chart at all agents)
Leather upholstery to choice
Metal parts nickel-plated, nickel headlamps
Equipment
Electric starting, lighting and horn, also bulb horn
Two dash lamps, 8-day clock, speedometer, luggage grid and straps
Pockets in dash and doors
Tool Kit
Complete tool equipment, carried in rear doors on four-seater, in boot on two-seater, and beneath running board on Saloons
Jack, pump, grease gun also supplied
Hood
Open models have black leather cloth hood with draught excluder, and all-weather side curtains opening with doors
Measurements and Weights
Wheel base - 9 ft 8 ins
Track - 4 ft 2 ins
Length over all - Two-seater 13 ft 5 ins - Four-seater 14 ft - Closed Cars (all models) 13 ft 5 ins
Width over all - Two-seater 5 ft 7 ins - Four-seater 5 ft 7 ins - Closed Cars 5 ft 7 ins
Height over all (Hood up) - Two-seater 6 ft - Four-seater 6 ft 2 ins
Height over all Closed cars - 5 ft 11 ins
Weight of Chassis - 14 cwt
Weight complete 24 cwt approx.
Chassis Price
£374
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
Source: Rover Catalogue 1924

ROVER 12hp / 14hp

14hp Specification 1924

1919 - 1925