Forecast of Smithfield Show.
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The Heavy Motor Exhibits.
No keelthan thirteen manufacturers will be exhibiting standard -.ypes of tractors or vehicles at the "71mithileld Show, which will be opened Monday week, the 5th prox., and ill remain open until the following Yriday.
Avelin g
'Faking the exhibitors in alphabeti'Al order, the first stand to claim notice is that of Aveling and Porter, Itch, of Rochester, which company will show one of its compound, rubbertired, steam wagons for net loads of three tons; the wheels of this wagon ire fitted with Duek-Swain solid-rubher tileS. Aveling and Porter, Ltd., it will be remembered, advocates the use of the Belpaire type of fire-box for its locomotive boilers, and both the wagon arid a tractor, which will also he shown, will have that type of boiler. Machine-cut. cast-steel gearing is used throughout on these machines, and the wagon is designed for working up to speeds of 12 miles an hour. The tractor is one of the company's standard type, with driving wheels five feet in diameter.
Burrell.
A five-ten, spring-mounted steam tractor will be the only exhibit on the stand of Charles Burrell and Sons. Ltd., of St. Nicholas' Works, Thetford, Norfolk, which will conic under the Heavy Car Order. This machine is similar in type to the one which ran so successfully in the R.A.C. Trials of 1907, securing a gold medal for its excellent. performance. The general design of Burrell's tractors closely follows that of their well-tried heavy road locomotives, and the distinctive feature of this tractor is that each of the rear wheels is separately driven by spur gearing from a differential counters:haft. The design provides for either two or three changes of gear ratio, according to the particular requirements of the purchaser. As the differential gear is mounted on a countershaft instead -of the axle, it becomes a much-easier matter to lock the differential gear, and thus to render it inoperative, than is the case in the majority of tractor designs, with most of which it is necessary that the driver should leave his position on the foot-plate and insert one or more driving-pins in the hubs of the wheels.
Barford and Perkins.
Messrs. Barfortl and Perkins, of the Queen Street Iron Works, Peterborough, will show a new pattern of motor roller, which has been specially designed for agricultural purposes. It is suitable for use either on grass or arable land. In view of the succe.se which has attended the use of Barforci and Perkins's water-ballast rollers for various purposes, visitors to the show should find much of interest in this. new pattern.
ClAyton and Shuttleworth.
One of its standard compound steam, tractors will he shown by Clayton and Shattleworth. Ltd., of Lincoln, the. chief point of interest on which is the 1 method by which, whilst the tractor is spring-mounted over the rear axle, the meshing of the final driving gear is maintained at a constant depth. The thorough system by which lamaturn to all the bearings is assured is another point of interest on Clayton and Shuttleworth's machines.
Garrett.
A five-ton steam tractor will form the principal exhibit of Richard Garrett and Sons. Ltd., of Leiston, Suffolk. This company has recently beenawarded the Grand Prix for its exhibit of one of its patent superheatedsteam tractors at the Brussels Inter
national Exhibition. It is claimed that the rates of fuel and water consumption of this tractor is remarkably low compared with others in which saturated steam and ordinary flat valves are employed. Tt will he re-. membered that this company exhibited' a wagon to which its patent super-heater was fitted at the Royal Show at Liverpool. and a brief description wilt be found in our issue of 23rd ,Tune last...
Ivel.
From Biggleswade, from the works of 'vet Agricultural Motors, Ltd., whose London address is 46, Poland Street, W., one of these well-proved agricultural motors will be sent, and this machine will be fitted with one of the company's standard two-cylinder horiy,ontal engines and single-speed gear. It is one of the lightest of agricultural motors, and has an enviable list of suceesses to its credit.
Mann.
A tipping cart for live-ton loads will lie found on the stand of Mann's Patent Steam Cart and Wagon Co., Ltd., of Pepper Road Works, Hunslet, Leeds. In this type of machine, it will be remembered, the load-carrying platform is " hinged " upon the back axle. It is a type which is particularly suitable for the conveyance of rough material in bulk.
MacLaren.
The winner of the R.A.S.E. gold medal (at Baldock, last August) will be represented at Smithfield by one of its tive-ton tractors, although it is questionable whether this machine will be fitted with the superheater that was embodied in the design of the machine which competed so successfully and showed such remarkably-low rates of fuel consumption at the trials.
Marshall.
From our point of view, the mostinteresting machine on the stand of Marshall, Sons and Co., Ltd., of Gainsborough, will be that maker's oil tractor, a type of machine which is intended for all kinds of road haulage work, as well as for ploughing, cultivating, hauling mowers and reapers, driving threshing in.achines and farm machinery, and for all the various kinds of farm work for which power plant is required. Low running cost is a special feature of this machine, and the maker's claim that with paraffin at 6(1, a gallon, the cost of ploughing an acre is about 3s., and that the machine is capable of cultivating or ploughing from 0.6 to 1.0 acre an hour, according to the condition of the land. Ransoms.
Another steam tractor which is to be shown by a maker with an established reputation for heavy road locomotives is that wlich will he staged by Ransomes, Sinis and Jefferies, Ltd., of the Orwell Works, Ipswich ; this tractor
is rated by its maker at 4 n.h.p. One of these machines, in the service of a Harrow timber merchant, was the subject of our first " One Day's Work.'' We hear good reports as to their running from various quarters.
Saunderson.
Probably no other manufacturer of internal-comblistion-engined tractors makes such a wide range of types as Messrs. Saunderson and Gifkins, of the Elstow Works, Bedford, but only two
of these will be staged at the Smith
field Show. The smaller of them is the 14-16 h.p., two views of which are given at the foot of this page, whilst the larger one is one of the 45-50 h.p. type, similar to one of those which competed in the Boyal Agricultural Society's tests at Baldoek in August last. The three-point suspension of this motor is an interesting feature of the machine's design, and the centre illustration at the foot of this page shows how the leading wheels are unaffected by the passing of one of the rear wheels over an obstacle.
Tanker.
Together with one of its light traction engines and an improved typo of threshing machine with a 4 ft. 6 in. drum, William Tasker and Sons, ma., will be showing one of its compound steam tractors, for so many years well known as the " Little Giant " type. At the close of the exhibition, one of Tasker's numerous customers will take delivery of this machine.
Wallis and Steevens.
A tractor will be shown by Wallis and Steevens, Ltd., of Basingstoke. The engine of this machine, it may be recalled, is completely enclosed in a sheet-steel case, so that all the working parts are protected from dust and are thoroughly lubricated under all conditions of load.