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).
Summary of tests on a modified matrix, concluding the original design should be strengthened to withstand high oil pressures.
| Identifier | ExFiles\Box 131\1\ scan0136 | |
| Date | 22th August 1935 | |
| -2- Hs{Lord Ernest Hives - Chair}/Swdl.{Len H. Swindell}2/KW.22.8.35. Summarising these tests, the reduced back pressure with the modified matrix does not justify such a loss in cooling efficiency and that the original type of matrix should be strengthened up to withstand high oil pressures when starting from cold. Hs{Lord Ernest Hives - Chair}/L.H.Swindall. | ||