O NLY those whose memories go back to the old horse-drawn
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dust-cart days can properly appreciate all that the annual vehicle demonstration of the Institute of Public Cleansing really means.
• This year, the demonstration was held on part of the permanent ground devoted to the Great Yorkshire Show and it followed the lines that have been customary for almost a quarter of a century.
A new high-lift bin trolley was shown as an addition to the Nash-Sherren Mk. TV hydraulic refuse collector, this modification introducing a high degree of mechanical aid into that sphere and making it possible to empty practically any size or shape of bin quickly and without recourse to manhandling. The bin is placed on the carrier, being clamped there by the opera-. tion of a single lever. By a movement of the hydraulic
control the bin is emptied and the automatic trimming and packing mechanism comes into operation while the bin carrier is returning.
A rotary-brush bin-cleaning device, designed and patented by Mr. R. N. Finch, the Nottingham city engineer and surveyor, was featured on one of the Dennis rear-loading refuse collection vehicles. Driven by bevel gear from the power take-off, there are brushes on each side of the vehicle just behind the cab, and when not in use they are enclosed by sheet-metal covers.
As at Southport last year, the 25-cubic-yd. Paxit Major rear-loading refuse collector attracted its share of attention, particular interest being shown in the new attachment for handling large-capacity containers such as those employed in flats or other communal establishments. A trolley for the container, is carried in a subframe and for discharging into the vehicle the container is tripped on to a trunnion-mounting on a hydraulically operated lifting assembly.
This year's contribution from Shefflex, Ltd., was an l8-cubic-yd. dustless refuse collector on a Dennis Paxit chassis powered by a Perkins
P6 oil engine. The cab accommodates the driver and five loaders. An improved type of shutter has been introduced which automatically secures and seals, by pressure contact with a rubber-faced shutter plate, the various sizes and types of refuse bin.
Whilst not drastically changed in design, the Lewin Mk: VII sprinkler-sweeper-collector has a number• of improvements, additional 'Hardy-Spicer universal joints on the brush shaft giving more positive sweeping arid more even brush wear on severely cambered roads.
The Thornycroft GF/ER4 chassis has been adopted as standard and the water tank is now static, being
separated from the sweepings container which can be
tipped.
The Karrier-Yorkshire 750-gallon cesspool emptier which was listed among the exhibits did not, appea'r owing to the fact that material difficulties prevented its completion in
t i m e. T h e Karrier Yorkshire 750-gallon gully emptier was demon-• strafed, this machine having a horizontal pusher plate that compacts the sludge, which is pistondischarged in dry .form So obviating any need for a tipping gear. The sludge can thus be discharged on any site.
• Among other Karrier-Yorkshire exhibits was the R.S.C. road-sweeper-collector which has a chassis specially designed for road sweeping and incorporates a straight transmission line. ,
• Malting its• " first • appearance at HarrogateWas the Lacre S-type 'sweeper-collector on a Bedford 'shortwheelbase chassis. As mentioned in "The Commercial Motor" on May 23, this is claimed as the first mechanical road sweeper designed to clean right up to the angle of the gutter. With a left-hand drive the operator is given an unrestricted view of the kerb, and equipment includes a vertical, front, wire gutter brush, 4-ft. fully floating main brush and water spray equipment.
Many urban authorities are faced with a need for providing house-to-house collection and bulk cartage on the same vehicle and the Transport semi-trailer barrier-loading body by Glover, Webb and Liversidge, Ltd., is interesting in that it provides for fulfilment of the double role, conversion from one duty to the other being carried out in a matter of minutes.
With the dual-purpose vehicle the ordinary collections can be performed and loads can be carried at the end of
the day to tipping sites outside the district. This manufacturer also demonstrated a neat two-wheeled trailer for the collection of pig food, this vehicle having a fully enclosed steel body of 2i-cubic-yd. capacity, and a simple form of manual tipping gear.
Standard chassis for every duty in the municipal field are offered by the Bedford organization which had half-a-dozen models on show. The Peters bin hoist, fitted to a Bedford 10-12-cubic-yd. side-loading refuse wagon, again attracted considerable attention, it being stated that containers weighing 8 cwt. could be tackled with ease, and that operation could be carried out with a two-man crew.
Another 10-cubic-yd. side loader incorporated the latest Neville hinged cab, the design being such that, with the cab forward and the body tipped, the whole of the chassis was open for inspection. All the Bedford exhibits had bodywork by Eagle Engineering Co., Ltd. which organization also showed a 5-ft. trailer sweeper, the brush of which is rotated by the road wheels
al0 ' working through a clutch. The little Eagle 2-cubic-yd. refuse and waste-food collector was stated to be selling in considerable numbers overseas.
A British edition of the American-type trailer street washer was put on parade by Johnston Bros. (Contractors), Ltd.; it has a 500-gallon-capacity tank mounted on a welded steel chassis, the pump being operated by
an air-cooled engine mounted at the rear. It is a machine that might well appeal for use in those districts where the demand does not justify the purchase of a full-scale street-washing vehicle..
Among the road sweepers and collectors the Scammell contribution is always an attraction. This year's exhibit was the Scammell 3.-ton Scarab with sweeper-collector trailer, the latter being controlled by an operator seated thereon. This means that the driver can concentrate his attention on road conditions while the operator attends solely to the sweeping.
The action of the refuse-collection vehicles made by Shelvoke and Drewry, Ltd., was amply demonstrated during the parade. These machines, with their fore and aft tipping, require no manual trimming and no moving parts come in contact with the refuse. One pair of hydraulic rams is employed for tipping in either direction: on an average the body is tipped forward vertically eight times during the collection of each load, so giving the maximum packing, a process that occupies about a minute on each occasion.
For those having to deal with certain difficult forms of treated refuse particular interest was to be found in the Jekta telescopic body manufactured by Walkers and County Cars, Ltd. The telescopic design enables the body to be opened to the requisite extent for loading and for discharge to take place under, pressure so that waste materials, that are difficult to tip, can be expelled without difficulty.
The Walker Paladin refuse-collection vehicle, with which containers up to l cwt. can be loaded mechanically, was also among the machines demonstrated.
To ensure operating economy, an exhauster, driven by a separate 4 h.p. four-stroke engine, mounted on a sub-frame between tank and cab, is incorporated in the Ford Thames 800-gallon cesspool emptier. The basis is a 5-ton 13-ft. 1-in, chassis: the equipment is by Allan Taylor (Engineers), Ltd.
In a new approach to the problems of the smaller urban and rural districts, Jensen Motors, Ltd., showed the Jen-Tug tractor, and a platform semi-trailer with refuse-collection body and salvage bin, the plan being that the tractor might be used with other types of trailer for a variety of work. From Messrs. William Bunce and Son came a 21-in. two-Nay snowplough, dealing with snow up to 30 ins., for fitting to 2-3-ton vehicles.
The Tomlinson Roadster 60 refuse collector, a pedestrian-controlled tiller-operated electric vehicle, was presented try Locomotors, Ltd. A series of chassis in four sizes is available, each with a capacity of 1 ton. A screw-tipping design was incorporated in the body demonstrated
With a carrying capacity of 1 ton (2 cubic yds.), the• Manulectric pedestrian-controlled street refuse truck, manufactured by Sidney Hole's Electric Vehicles, is constructed throughout from aluminium alloy. It obviously offers possibilities of labour saving.
A 2-ton trailer gritter that can be drawn by any type of road vehicle was the contribution of Atkinson's Agricultural Appliances, Ltd. This machine has one lever which puts the whole mechanism in or out of gear, and it provides controlled spreading from 4 ft. up to 40 ft.
A product of the Harborough Construction Co., Ltd., the Harbilt electrical pedestrian-controlled truck has a clothing locker to accommodate the spare garments of a team of four or five men; carrying loads of I ton, it has a daily range of 8-10 miles. From Diamond Motors (WoIverhatimton),. Ltd., there was the Graiseley electric street orderly, having an Eagle 2-cubic-yd. body with
hand-operated screw tipping gear.
Concluding item of the demonstration was an exhibition of the speedy and simple manner in which the patent Penman container body can be removed from its vehicle platform by the use of dual ramps.