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).
Modifications to the Phantom III exhaust system, including a new tail pipe and rubber mounting.
| Identifier | ExFiles\Box 93\1\ scan0045 | |
| Date | 26th October 1936 | |
| x323 Instructed WYMAN [Signature] BY.{R.W. Bailey - Chief Engineer} c. Rm.{William Robotham - Chief Engineer} RHC.{R. H. Coverley - Production Engineer} E/JNR.{Charles L. Jenner}5/HP.26.10.36. P.III Exhaust System. - Hs{Lord Ernest Hives - Chair}/Wym.{G. Harold Whyman - Experimental Manager}2/JH.31.8.36. Please receive herewith LeC.5300 showing the modified tail pipe and suspension making the pipe 1.750 in diameter, and providing a mounting on rubber by means of a silent-bloc, similar to the Wraith design. LeC.5300 herewith. E/JNR.{Charles L. Jenner} | ||