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).
Drawing LeC.3379 for the Bensport Engine, detailing crankcase features for use on 20/25 HP production models.
| Identifier | ExFiles\Box 86\3\ scan0002 | |
| Date | 16th February 1933 | |
| To BY.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner} X 223. E/JNR.{Charles L. Jenner}1/HP.16.2.33. c. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} re Bensport Engine. We send you herewith: LeC.3379 - showing the oil filler and the stay for supporting the exhaust pipe. We also show the facing for the magneto bracket and although it is not used on the Bensport it is a feature that makes it possible to use this crankcase casting on the 20/25 HP. production following Z. series, having the larger crankshaft and studded main bearings. E/JNR.{Charles L. Jenner} [Stamp: RECEIVED] | ||