From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Letter from Rudge-Whitworth detailing the overhaul and performance observations of a 500 c.c. engine.
| Identifier | ExFiles\Box 133\1\ scan0086 | |
| Date | 29th July 1936 | |
| X1129 EDWARDS. BY APPOINTMENT Rudge-Whitworth Limited Coventry DIRECTORS EDWARD DE STEIN CHAIRMAN ALFRED J.{Mr Johnson W.M.} DENNISS VICE CHAIRMAN AND MANAGING DIRECTOR MAJOR GERALD R.{Sir Henry Royce} ASHTON THE HON. J.{Mr Johnson W.M.} MULHOLLAND J.{Mr Johnson W.M.} R.{Sir Henry Royce} GOVETT TELEGRAMS RUDGE COVENTRY TELEPHONE 4001 BRANCHES L O N D O N 230 TOTTENHAM COURT Rd. D U B L I N 1 STEPHEN'S GREEN CODES WESTERN UNION UNIVERSAL EDITION MARCONI INTERNATIONAL CODE A.B.C. 5TH EDITION GLH/MH.{M. Huckerby} Messrs. Rolls-Royce Ltd., DERBY. 29th. July, 1936. Dear Sirs, We have returned the 500 c.c. engine after completely overhauling same. The list of replacements and account will be supplied by the Service Department, but the following observations may be of interest. The main bearing outer elements had commenced to work out of their housings which we put down to the high crankcase temperature that would be obtained when you were running the water cooled head and barrel without oil cooling. When we were running similar experiments we had a similar experience, and fitted a locking plate to hold the elements in position. The maximum B.M.E.P. is now about 3% higher than when the engine was first supplied in 1934, while the peak H.P. is about 3% lower. We put this down to the Cont'd.... | ||