SIMMS RETARDER RESEARCH
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MEW laboratories for Simms Group Research and Development Ltd. were formally opened by Mr. George Darling, Minister of State, Home Affairs, on Tuesday. These are located off Western Avenue, Acton, London, W3, and guests had the Opportunity of touring the laboratories and seeing the facilities available.
Sections of the laboratories are devoted to specific subjects such as fuel injection equipment, turbochargers, filtration, hydraulics and fluid dynamics, and research can be undertaken into the problems of air pollution by petrol engine exhaust gases. In the hydraulics laboratory, an experimental viscous retarder was under test, the unit
being suitable for use in a vehicle transmission system. Silicon is being used as the viscous fluid because this is not affected by heat, and torque absorptions of around 400 lb.ft. can be expected from the particular unit on which research is being undertaken.
In the fuel-injection room, work was being carried out on an experimental distributortype pump designed by Simms, and experimental injectors—very slim types and unit injectors in which the pumping element is combined with the injector—could be seen. Development tests of the distributor-type pump were in progress, applied to a Ford diesel engine, in one of the test cells of the engine laboratories.