"ملف 17/28 سيارات حكومية للوكالة" [ظ‎‎١‎٨] (٢٥٥/٣٥)

SPECIFICATION OF THE
Power Unit. Engine, clutch, gearbox and change speed built in
one self-contained unit, three point suspended in the frame on
rubber mountings.
Engine. Two cylinder horizontally opposed, water cooled. Alloy
steel connecting rods, lined white metal. Special alloy steel crank
shaft, l£ in. dia. pins. If in. dia. journals, fitted with balance
weights. Drilled for pressure feed lubrication system. Exhaust
valves of special heat resisting steel, inlets of nickel steel. The valve
mechanism is enclosed, and a positive method of oil feed is pro
vided. Detachable cylinder heads. 30 mm. Zenith “V” type car
burettor. Ignition by coil and accumulator. Lucas 6-volt set.
Dynamo belt driven from crankshaft at 1} engine speed. Lucas
electric starter operated by hand push on instrument panel.
Distributor with automatic advance driven by skew gear from
camshaft.
Gearbox. Three speed and reverse with silent double helical con
stant mesh and second speed gears. Gear tooth type of clutch for
top and second speeds. All gears and shafts of special alloy steels.
Shafts mounted on ball bearings. Floating bearing at front end of
mainshaft.
Clutch. Single dry plate with exceedingly light spinning member,
giving rapid and smooth gear change. Friction plate built up of two
plates of brass-bonded asbestos with centre plate of spring steel
cut in staggered vanes to give cushion effect.
Cooling System. Thermo-syphon through fin and tube type
radiator block. Thermostatically controlled.
Chassis. Entirely new, specially designed for commercial vehicle
work. Side members are of deep box section, extending to extreme
rear of body platform. Tubular cross-members complete a frame of
extraordinary strength, practically immune from whip, and capable
of taking all the strain of hard usage without transmitting undue
stresses to the body work. The exceptional stiffness of the frame
provides a rigid body mounting, and bolts pass through the body to
the centre of the two rear cross-members as well as to a generous
number of points along the frame sides. The width of the frame,
and consequently of the spring centres, gives a greatly enhanced
road performance, checking roll on corners and improving steer
ing. Hydraulic shock absorbers of Luvax type with large recuper
ating chambers are fitted front and rear.
Brakes. Girling brakes operated entirely by pull-rods in tension.
Fully compensated, easily adjusted, and extremely powerful. Brake
drums of special alloy cast iron. Centre hand brake lever.
Steering. “Bishop cam steering with coupling rod in front of
axle. Finger-light operation; easily maintained and thoroughly re
liable. 16-in. Bluemel steering wheel. Dip switch, horn plus hand
trafficator switch on arm attached to steering column.
Front Axle. Steel stamping, H Section, high safety factor.
Back Axle. Pressed steel banjo type, semi-floating. Spiral bevel
final drive. Easy adjustment for mesh.
Petrol Tank. Fitted amidships alongside frame with filler on near
side. In this position tank is fully protected and away from possi
bility of damage when loading. Fuel feed by A.C. pump on engine.
Lighting. Five-lamp set of Lucas manufacture; head-lamps incor
porate dipping device controlled from arm on steering column*
Lucas 6-volt battery mounted under bonnet.
Wheels. Five ventilated disc (easy-clean) wheels are fitted, with
16 X 5.00 tyres.
Spare Wheel. Spare wheel carried in concealed tray beneath body
platform at rear. Easily accessible by lifting hinged rear number
plate.
Propeller Shaft. “Lay-rub” type with rubber universal joints,
needing no lubrication.
Road Springs. Half-elliptic springs front and rear with Silent bloc
bushes.
Body. Entirely redesigned to give long trouble-free service. Con
structed for maximum strength with minimum unladen weight.
Box type wheel arches with flat top give additional strength to body
sides and provide increased load area. Main body joints steel
armoured. Full width rear doors with metal check hinges to hold
doors fully open when loading. Wide front doors. Single bucket
seat, upholstered leather cloth. Ample leg-room for tallest driver.
Side panels give unhampered space for display designs and lettering.
Smart general appearance adding prestige to owner’s business.
Equipment. On dash; speedometer, petrol gauge, oil pressure
gauge, ignition warning light ammeter, switches, starter button
and air strangler, mounted centrally on new dash panel with con
cealed illumination. Ample glove box in instrument board. On
steering column: horn push, switch for concealed trafficators and
headlight dimming switch. Electric screen wiper. Driving mirror.
Full kit of tools, licence holder, number plates, electric horn, spare
wheel with tyre and tube, safety-glass windscreen.
JOWETT CARS LIMITED. LONDON OFFICE AND SHOWROOMS: 48 ALBEMARLE STREET, PICCADILLY, LONDON W I
TEL: REGENT 0721-2 GRAMS: JOWMOTORS, PIGGY, LONDON CABLES: JOWMOTORS, LONDON WORKS: IDLE, BRADFORD, YORKS TEL: IDLE 341
thrives on hard labour
PRINTED IN ENGLAND
1046
\