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).
Increase in the oil sump capacity for the 20/25 HP model.
| Identifier | ExFiles\Box 103\2\ scan0243 | |
| Date | 29th April 1931 | |
| 15000. To Sg.{Arthur F. Sidgreaves - MD} From Hs.{Lord Ernest Hives - Chair} Hs.{Lord Ernest Hives - Chair}2/KT.29.4.31. Re. 20/25 HP. OIL SUMP CAPACITY. In answer to your memo. Sg.{Arthur F. Sidgreaves - MD}9/E27.4.31. the capacity of the oil sump has already been increased to one gallon with a possible 1.25 galls. We are further increasing the capacity to 1.25 galls. with a possible 1.5 galls. as a result of the last 10,000 miles test with 18.G.IV which ran throughout the mileage with 1.5 galls. in the sump. The increased capacity will be incorporated on the last 100 cars in T. series. A standardisation sheet has been issued. Hs.{Lord Ernest Hives - Chair} | ||