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4,000 R.P.M. ENGINES BY PERKINS: . L'UTURE requirements of F. Perkins,

7th February 1958, Page 55
7th February 1958
Page 55
Page 55, 7th February 1958 — 4,000 R.P.M. ENGINES BY PERKINS: . L'UTURE requirements of F. Perkins,
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I Ltd., embrace the testing of engines at speeds in excess of 4,000 r.p.m. Engine testing is now performed by the company at their Eastlield factory, and covers about 12,000 engines reconditioned each year at their Queen Street factory.

En the test shop are 28 dynamorneterS, and 80 test brakes which harness the power developed in: the engines under test and convert it into eleetric current.

This can be fed back into the mains, and the system represents a saving to the company of £7,00048,000 a year. It is made possible by employing a properly of the A.C. motor that it can be used as an induction generator.