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Surprises at Blackpool tipper show

30th April 1971, Page 20
30th April 1971
Page 20
Page 20, 30th April 1971 — Surprises at Blackpool tipper show
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• Last Saturday's vehicle demonstration at Blackpool in connection with the RHA tipper conference held a number of surprise exhibits.

Largest vehicle to be shown was a 56 cu yd tipping semi-trailer with an all-welded alloy body by Wilcox of Peterborough. The body is 34ft long and 5ft 6in. high but the special York semi-trailer frame is 36ft in length. It was shown coupled to an Atkinson four-wheeled tractor whose long, 10ft 8in., wheelbase has helped to achieve the outfit's 38ft outer axle spread, qualifying for use at 32 tons. An unusual Edbro tipping gear is used. It has two separate rams fed from a reservoir on the tractor.

York, who organized the demonstration, also had on show the novel Barham belt-discharge bulk trailer described. in detail in CM April 16.

New versions of the Neville Truck Equipment single and tandem-axled semi-trailer dumpers made their first appearance. The stabilizer frame which connects the fifth-wheel rubbing plate with the rear hinge-line of the body is now narrower and comes below the floor when the body is lowered. This has allowed the internal width to be increased to a maximum of 7ft 71n.-12in. more than before.

The lower front hinge-line of the frame (6.5in. instead of 12in. above the rubbing plate surface) has reduced the braking loads transmitted through the kingpin. Other innovations include a larger rubbing plate and lighter body stiffening ribs, which are "kinked" around the bottom corners.

A new competitor for the single-axled Neville machine was seen in Blackpool. Built by the Primrose Third Axle Co Ltd, it is based on a South African design, with a two-level floor linked by a sloping section. Its tipping geometry is similar to that of earlier designs except that two separate tipping rams are employed, mounted outside the body. With the body lowered the rams are at about 30deg to the horizontal. The. gear location allows the body to be extended forward above the coupling, so relieving the

load concentration on the trailer a.; Landing legs—attached to the stabiliz radius arms are standard. Nominal di length of the Primrose semi-trailer durg is 18ft.

Dennis Bros Ltd showed a n six-wheeler powered by the. Same 155 Perkins T6.3543 engine used in company's 24-ton attic tractor. The th axle is a Primrose self-steer unit ahead the driving axle, although a nit conventional 6 x 4 version is listed. 1 Blackpool exhibit featured the Den Extricatorlievice. But instead of the serra rollers at each end of the cross-shaft be wound onto the tyres by hand, a pair brake actuators provide the • power. 1 installation was engineered by Primrose.

Thomas Thompson and Son Ltd, Irish company which recently entered British tipping gear, market, showed one its own bodies for the first time. It was all-steel unit on a Ford • DT PI six-wheeled chassis. The gear was to company's unusual detachable design, Ni+ pneumatic control.


Organisations: US Federal Reserve
Locations: Neville, York

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