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NEW LOW-PRICED WILLYE

26th May 1931, Page 60
26th May 1931
Page 60
Page 61
Page 60, 26th May 1931 — NEW LOW-PRICED WILLYE
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30-cwt. MODEL ALTHOUGH i n the commercialvehicle market low prices are

. considered to be of paramount importance

a new machine is to L. received favourably by operators, there must be no indication of skimping of detail work in the design or construction. In the case of the new Willys model, which is to be known as the 81x-30 type, there can be no :criticism on this score, for, in additioh to a complete specification, all components have been planned on lines which any discriminating observer knows are sound. At 1198, the chassis, with a sixcylindered engine of 3,161 c.c., a four-speed gearbox, internal expanding four wheel brakes, full electrical equipment, and a spare wheel and tyre, represents excellent value.

This latest product of Whys Overland Crossley, Ltd., He atoll Chapel, Stockport, follows in general outline • the type introduced some two years ago, hut so many alterations to details have been made that it can be considered a new model. With a wheelbase of 10 ft. 11 ins., the chassis gives a body length from dash to end of frame of 10 ft. 4.1 ins., so that even with a comfortable cab the,standard lorry platform measures 9 ft. by 5 ft. 6 ins. The van is also roomy, the in

B42 ternal dimensions being 8 ft. 8 ins. long, 5 ft. wide and 4 ft. 9 ins. high. The frame is of the low-loading type, with a slight kick-up over tlie rear axle, the height from the ground to the top of the frame when the vehicle is laden being 1 ft. 11 ins.

The chassis is a substantial structure, with channel-sectioned sidemembers 3 ins, deep in the centre, tied together by five box-type crossmembers, the width at the front being 2 ft. 1i in. and at the rear 3 ft. 1 in. Suspension is by semi -elliptic springs at the front and rear, the latter measuring 3 ft. 9 i,ns. in length, The engine is a sixcylindered un it of monobIoe type, with bore and stroke dimensions of 3* ins, and ius, respectively, which gives a total piston-swept volume of 193 cubic ins., or 3,161. c.c. The cylinders and upper half of the crankcase are cast en bloc with webs running right across the crankchamber shell to carry the intermediate bearings for a four-journal balanced crankshaft. Each of these journals is 21 ins. in diameter, and the bearings themselves are formed in hard metal shells lined with white metal. Side valves operate in combustion chambers of dm semi-turbulent type and, the compression ratio being 5.56 to 1, 65 b.b.p. is developed at 3,400 ; the maximum

torque figure is. 135 ft. lb. at 1,200 r.p.m.

Four large bearings on the off side carry the camshaft, the drive being taken from the crankshaft by means of a silent chain with position for adjustment when Slackness occurs after prolonged use. The layout for the auxiliaries and their attendant driving media is distinctly practical. Take, for example, the ignition distributor and the Oil pump ; an inclined shaft lying midway along the unit is driven by spiral gears from, the camshaft ; at the upper end the distributor is housed, in an accessible position for examination of the 'contacts, etc., whilst at the lower extremity is the gear-type oil pump—a position well suited to the requirements of the lubrication system. The dynamo is placed longitudinally on the near side of the unit, this and.. the spindle of. the fan and water pump being driven by a common belt.

A special device known as the Float-0 system is incorporated in the intake side of the oil pump ; a metal float attached to a hinged pipe is connected to the pump in such a manner that the oil to be circulated is drawn from immediately beneath the surface of the lubricant contained in the sump. Thus any sediment which may accumulate at the bottom is not drawn into the pump. Although all the major bearings in the engine are supplied with . oil under pressure, there are no in ternal pipes ; the leads are taken from a main gallery running longitudinally in the crankcase and through, drillings in the case itself, thereby cutting out all possibilities of failure through a

broken pipe or connection. , A single dry-plate clutch (which has 10-in.' friction discs and is fitted with a ball-type throw-out bearing) transmits the drive to a four-speed gearbox with central control, the whole being mounted unitwise with the engine. Of the selective sliding-gear type, the box provides the following overall ratios :.40.8 to 1, 19.7 to 1, 10.8 to 1 and 6.375 to 1 for ward and 49.8 to 1 reverse. • The drive is of Hotchkiss type, an open propeller shaft being equipped

with metal universal joints front and rear, and the axle movements being controlled by shackled semi-elliptic springs. The, axle casing is sturdy, a forged-steel banjo centrepiece housing the, spiral-bevel crown wheel and differentiaL A malleable-iron nosepiece contains the bevel pinion and its attendant shaft and bearings, whilst the rear opening of the banjo is enclosed by a stout cover; fully floating axle shafts are employed.

As will be appreciated from the photographs the chassis is well equipped so far as brakes are concerned. Drums Of 12-in. diameter are fitted to the front wheels and of 16-in, diameter to the rear wheels, all the shoes being of the Bendix internal-expanding selfenergizing type. .The total area of the friction material works out at 231.9 sq. ins. Steel-spoked wheels carry 6-in. by 20-in, pneumatic tyres on the front wheels and 32-in. by 6-in. tyres on the rear wheels. Alternatively, twin 6-in. by 20-in. rear-tyre equipment can be supplied at an extra charge of 110. All the usual equipment is included.

There are several points in the com.plete vehicle which are worthy of comment. Each model is equipped with a comfortablPcab, which has two doors with winding glass windows, windscreen wiper, etc. In the lorry two unusual features have been incorporated.

• The platform is armoured with flat steel strips and has no check rails, thereby giving a clear lift-off for heavy and

awkward loads. Again, the hinged side and tail boards, which are 18 ins, deep, are fastened by pivoting bolts and -threaded wing nuts—a form of construction which permits the reduction -of rattle even after prolonged use. A tipping lorry is also available, the actuating gear being of the screw type operated from either, or both, sides of the vehicle ; a maximum angle of tip of , 40 degrees is possible.

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People: A LTHOUGH
Locations: Stockport

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