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Heavier electrics to break through soon

5th October 1979, Page 26
5th October 1979
Page 26
Page 26, 5th October 1979 — Heavier electrics to break through soon
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,N ELECTRIC-powered ehicle with a gvw of 7.3 tons as been developed over the ist 21/2 years and is now being tarketed by a subsidiary of le Kenning Motor Group.

W and E Vehicles of Shrews ury is one of the largest ianufacturers of electric ehicles in the UK, and is best flown for its range of threend four-wheel distribution ehicles used by the dairy inustry.

Unigate, which operates the irgest fleet of electric vehicles the world, was instrumental the new vehicle's developlent and has purchased the rst production vehicle which rill be used on a semi-retail )und supplying shops.

The power source of seven anks of batteries totalling 132 outs gives a range of 40 miles, rith between 30 to 40 drop .starts.

Kerb weight is heavy at 4_33 ins. but may be reduced by bout 1/2 ton soon when hloride's new high-density attery becomes available.

A ladder-type chassis with eavy-gauge channel side iembers includes a drop ame section at the front end ) give a low step access to the ab. The batteries are dis Muted around the perimeter f the chassis to give an even 'eight distribution below a iw platform height of 1.1m lft 9in).

Drive from the traction aries-wound motor to the 4-ton rear axle uses a conentional prop-shaft link. The .ont axle, rated at 2.4 tons, icorporates some Leyland errier parts such as kingpin, wivel axle and kerb, brakes rid drums.

W and E's 4/96 D-type lassfibre cab is retained for le new 6/80 model for the ming being. Seating is basic nd needs to be improved, iong with cab trim. A more pnventional cab design is in and which will keep the low Ary facility.

Maximum speed when fully aden is said to be 37kM/h (23 mph) with a maximum overrun capability of 64km/h (40 mph).

A good acceleration performance makes light of the low maximum speed, which is a compromise with load capacity and operational range.

Body flooring, measuring 4.8m (15ft 9in) long by 1.85m (6ft lin) wide is sectionalized to provide access to the batteries and traction motor.

Initial cost of all electric vehicles is high, but is offset by low running costs which vary depending upon the price charged per electrical unit, from one part of the country to another. Taking all aspects into account, including depreciation, maintenance and cheap insurance, overall running costs are said to be up to one-third less than with a conventional vehicle. Exemption from MoT test is an added bonus.