200,000-mile Test of B.40 Engine
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nNE of the Army's new combatk../ vehicle engines, the four-cylindered 13.40, has just completed the first half of a 200,000-mile run to test its endur
ance under service conditions. After. being completely stripped, no defects Were found other than a broken compression ring.
The mileage so far covered is more than treble that usually achieved by a Service engine. Apart from normal maintenance and decarbonizing, only minor adjustments were necessary. Engineers of the Ministry of Supply Fighting Vehicle Research and Development Establishment consider the engine will complete another 100,000 miles before needing a major overhaul.
The B.40 is one of three standardized engines designed by Rolls-Royce, Ltd., under the direction of the Establishment, of which 184 components. including most , wearing parts, are interchangeable. The other engines are the B.60 (six cylinders) and the B.80 (eight cylinders).
The three engines will be used by the Army and the Royal Air Force for lightweight cross-country vehicles, 1-ton, 3-ton and 10-ton lorries, tracked carriers, scout cars and armoured cars and static plant.
EAST MIDLAND TAKE-OVER
A PPL1CATION has been made by
East Midland Motor Services. Ltd., to operate the four routes at present run by Messrs. Baker Bros., Worksop. Pending sanction, the firm will be acquired by the company.