NEW EQUIPMENT
Page 46
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and Publications
Gilding the Lily ?
UNTIL recently, suggestions that seat covers would have any place in the cab of a heavy commercial vehicle would have been considered somewhat inappropriate. With the number of luxury-type cabs currently on the market this is not so 'much the case nowadays, although no Seat makers offer standard covers suitable for these vehicles. Drivers who would like to have a seat cover now have their problems solved with the introduction by Easifitcovers Co. Ltd. of a type made of stretch-nylon material which will fit any size of seat. There are two designs only—one for car bench seats, the other for bucket seats; the latter is suitable for commercials.
The name given to these is Easifit and there is a range of four cblours—blue. red, grey and green—each having a black speckled appearance. The cover is made in one piece and is easy to tit over the seat and round the cushion. There are no zips to complicate the job and when in place the cover can be secured by a cord running through loops underneath the seat. A thin foam pad is incorporated in the seat arca, this measuring 1 ft, 8 in. wide by 1 ft. 7 in. deep. and if this is more than the size of the cushion to which the cover is fitted, the pad moulds round the edges quite well.
Makers: Easifitcovers Co. Ltd., Hope Mills, Wrigley, Oldham. Price: .E2 2s. (bucket-seat type).
BS for Starter Batteries ANEW British Standard for starter batteries for internal combustion engines has been published as B.S. 3911. Recommendations by the International Electrotechnical Commission and a number of standards issued by the Society of Motor Manufacturers and Traders have been taken into account in its preparation.
This publication tabulates popular battery sizes and shows the IEC designation where appropriate. Also given are requirements for terminals, charging, acid used and marking. Requirements for dry-charged batteries are not included.
Published by: British Standards Institution, 2 Park Street, London. W.I. Price: 5s.
Test Benches for Cummins WITH the increase in the number of Cummins engines being put into service in the UK it was inevitable that soon there should be test equipment available specially designed for the servicing of the PT fuel injection system. Two such units have now been produced by fuel-injection specialists, Leslie Hartridge Ltd.
The first is the Hartridge 100 Cummins PT test stand, which is a special-purpose machine suitable for the testing of PT pumps only. It incorporates a variable-speed gearing of a new and patented design giving output speeds from 450 to 4.250 r.p.m.
Shaft speed is registered on a 9 in. diameter dial, graduated in increments of 10 r.p.rn., and included in the design is the essential temperature-control unit whieh comprises an electrically-heated, water-cooled circuit which will keep fuel temperature to within ± 2°F of a predetermined setting. The machine has two flowmeters, one of extreme accuracy, 36 in. long, and a secondary meter for measuring throttle leakage.
A second test rig known as the Hartridge 200 is intended for testing the complete Cummins fuel system and also incorporates the temperature control and an entirely new means of fluid measurement which makes for extreme accuracy --said to be .±0-1 c.c. A stroke counter, electromagnetically operated, has a range of from 10 to 10.000 strokes and the accessory set provided makes the machine suitable for testing all types of PT injectors.
In addition to these two machines, versions of mobile test units are produced incorporating all the essential features of the Hartridge 100 stand. They may be used with any suitably powered Hartridge test stand, or alternatively with competitive makes providing they have a minimum of 5 h.p. with variable-speed gearing giving speeds up to 4,000 r.p.m. with accuracy approaching 90 per cent.
Made by: Leslie Hartridge Ltd., 151 Great Portland Street, London, WA. •