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 Bentley exhaust system, including drawing numbers and a change from oval to circular pipes.
| Identifier | ExFiles\Box 86\3\ scan0011 | |
| Date | 13th June 1933 | |
| LIO X223. To BY.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner} c. Hs.{Lord Ernest Hives - Chair} RHC.{R. H. Coverley - Production Engineer} E/JNR.{Charles L. Jenner}1/HP.13.6.33. Bentley Exhaust System. We handed to you late last night drawings LeC.3521, 3527, 3529 and 3531 showing the complete exhaust system with all the recent modifications, as recommended by the Experimental Department, such as the alteration from the oval pipe to circular, and the necessary lagging. We understand that you have arranged to get this on the first 15 chassis. We have not yet dealt with the exhaust cutout, the original design is not acceptable because of the unpleasant exhaust note. E/JNR.{Charles L. Jenner} | ||