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).
Note confirming instructions to modify a B-4 unit crankshaft to fit a Powerplus Supercharger on a Bentley.
| Identifier | ExFiles\Box 140\1\ scan0043 | |
| Date | 24th April 1934 | |
| RHC.{R. H. Coverley - Production Engineer} X909 Hs{Lord Ernest Hives - Chair}/Mths.{Reg Matthews}8/KW.24.4.34. SUPERCHARGER ON BENTLEY. This note is to confirm our verbal instructions of the other day re modifying the crankshaft of B-4 unit, at present in shop, dismantled, in order that we may fit a Powerplus Supercharger when this unit is next on the Test Bed. Hs{Lord Ernest Hives - Chair}/R.Matthews. | ||