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).
Requesting the fabrication of parts to test dual exhaust systems on a Bentley III test bed engine.
| Identifier | ExFiles\Box 99\1\ scan0165 | |
| Date | 18th May 1938 | |
| 423. To HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation}8/JH.18.5.38. BENTLEY III. We are carrying out tests at the present time in conjunction with the proposed use of dual exhaust systems. Will you please instruct a coppersmith to make two bends and fit flanges so that two systems can be run on a test bed engine. No.30 Test House. Rm{William Robotham - Chief Engineer}/CTS.{C. Trot Salt - Carburation} | ||