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).
Solution for a one-beat exhaust noise on Phantom models by fitting an improved C.I. bend.
| Identifier | ExFiles\Box 14\6\ Scan307 | |
| Date | 9th May 1934 | |
| 7230 Hs{Lord Ernest Hives - Chair}/CWH.7/MJ.9.5.34. To Wor.{Arthur Wormald - General Works Manager} From Hs{Lord Ernest Hives - Chair}/CWH. c.c. to Sg.{Arthur F. Sidgreaves - MD} c.c. to E.{Mr Elliott - Chief Engineer} c.c. to Hy.{Tom Haldenby - Plant Engineer} c.c. to Sft.{Mr Swift} c.c. to Hd.{Mr Hayward/Mr Huddy} One beat exhaust noise on Phantoms. We have overcome the pronounced exhaust beat by fitting an improved C.I. bend Ex.13565/6 from the cylinder to the hot spot on the carburetter. This should be brought into production immediately. This scheme has been fitted to Sg{Arthur F. Sidgreaves - MD}'s. car. Hs{Lord Ernest Hives - Chair}/C.W.Hancock. | ||