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).
The stoppage of a 10,000-mile test with engine 21.0.IV due to further experimental tests and modifications.
| Identifier | ExFiles\Box 5a\4\ 04-page055 | |
| Date | 15th June 1934 | |
| L5840 Sg.{Arthur F. Sidgreaves - MD} From Ha/GMH. c. to Mr. c. to S. c. to By.{R.W. Bailey - Chief Engineer} Ha/GMH.17/MA.15.6.34. The 10,000 mile test with 21.0.IV has had to be stopped owing to experimental tests with clutch, fan, carburetter silencers and exhaust system. It will start a fresh test after further modifications have been fitted. Ha/Wat. | ||