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 Chillcotts Limited requesting engine specifications to manufacture an experimental silencer for a Phantom II model.
| Identifier | ExFiles\Box 152\3\ scan0069 | |
| Date | 21th December 1931 | |
| X1276. SOLE U.K. CONCESSIONAIRES FOR "VELLUMOID" SHEET JOINTING SPECIALISTS IN JOINT CUTTING OF EVERY DESCRIPTION THE SOCIETY OF MOTOR MANUFACTURERS & TRADERS LTD Your Ref. Hs{Lord Ernest Hives - Chair}/LID.{A. J. Lidsey}1/KT. Our Ref. C/E TELEPHONES: HOP 3228, COVENTRY 2732. TELEGRAMS: 'ERALDACOT, BOROH, LONDON.' CHILLCOTTS LIMITED ENGINEERS AND MANUFACTURERS WORKS LONDON & COVENTRY. Head Office: 240, BLACKFRIARS ROAD, LONDON, S.E.1. December 21st 1931 PATENTEES AND MANUFACTURERS OF "CYLO" EXHAUST SILENCERS "DREADNOUGHT" FOG & SPOT LAMPS. "DREADNOUGHT" BRAKE & CLUTCH LININGS. IMPORTERS & EXPORTERS OF COMPLETE EQUIPMENT FOR THE ENGINEERING MOTOR & ALLIED TRADES. RECEIVED 22 DEC Messrs. Rolls Royce Ltd., Derby. Dear Sirs, "Cylo" Silencers. Further to your letter of the 16th inst., and the matter of an experimental silencer for your Phantom ll. Model, we shall be very much obliged if you will please let us have the following information to enable us to make up a Silencer in accordance with the requirements of your particular engine for this model. Capacity. 7660 c.c. H.P. developed at three separate r.p.m's. 2000 R.P.M. 130 3000 R.P.M. 178 3500 178 Peak of the h.p. and r.p.m. at the peak. 180 B.H.P. at 3350 R.P.M. Exhaust valve timing diagram. (Hand drawn diagram with labels: Ex, T.D.C. 10.4, 50.3, B.D.C.) We shall be glad to have this information at your earliest convenience, upon receipt of which we will go forward with the matter without delay. Thanking you in anticipation, we are, Yours faithfully, CHILLCOTTS LTD. [Signature] Director. | ||