Passing Comments
Page 31
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SOMETHING of a record must have been created by the 10-year-old Daimler bus in the service of Lancashire Corporation, which recently had its licence renewed for a further three years, after having passed the 400,000mile mark. With the exception of periodical overhauls, it has been in daily service since May, 1929, and has already covered a distance equal to 10 times around the world.
A Veteran Bus Approved for Three More Years . .
Self-contained Test110tEFORE most commercial ing Ground for Li vehicle chassis are passed Trot leyb u ses . on to buyers, they usually undergo stringent road tests at the hands of the maker, and have to satisfy exacting standards before finding their way into normal service. This procedure has introduced problems in connection with the manufacture of trolleybuses, and the Associated Equipment Co., Ltd., has overcome them by providing a substantial part of the 11-mile test track, which encircles its Southall works, with overhead wiring, so that it is self-contained for testing its trolleybuses. We believe it to be the only maker possessing such facilities.
T"pistons of Leyland oil engines are now being• plated with a thin deposit of tin, which gives special advantages during the running-in period. The tin has slight powers of lubrication, and it is worn away after the first few hundred miles; in the meantime, however, it serves fel prevent seizure of the pistons until they are properly tun in.
Plating of Pistons With Tin Improves Running-in . . .