Temperature tests conducted in the rear of a 19-EX model with and without silencer shields.
| Identifier | ExFiles\Box 11\4\ 04-page101 | |
| Date | 13th July 1932 | |
| x7941. To Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} From G.W.H. Hotel de France, Chateauroux(French test region), FRANCE. 13.7.32. 19-EX. The air temperature having dropped considerably, we again carried out the tests in the rear of the body, cut-out open, silencer shields on and off. We still do not obtain any appreciable difference. Herewith are the actual figures taken during the test. ------- Temperature Tests in Rear of Body with and without silencer shields. Cut-out Open Running Temp. Standing Temp. Atmos.Temp. 24°C 25.75°C 18°C 24.5°C 26°C 19°C 24.25°C 26.5°C 18°C WITH SHIELDS. Running Temp. Standing Temp. Atmos.Temp. 25°C 27.5°C 18.5°C 26°C 28°C 18.5°C 26°C 29°C 18.5°C WITHOUT SHIELDS. All windows closed throughout tests. G.W.Hancock G.W.H. | ||
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).