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).
Design change for 25-HP and Bentley Oil Pump casings from bronze to aluminium.
| Identifier | ExFiles\Box 149\2\ scan0085 | |
| Date | 24th March 1934 | |
| To By.{R.W. Bailey - Chief Engineer} from E/JNR.{Charles L. Jenner} c. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} Sft.{Mr Swift} E/JNR.{Charles L. Jenner}2/HP.24.3.34. re 25-HP and Bentley Oil Pumps. With reference to the Works complaint of porous pump casings which are made in bronze, we have made a design which we send you herewith - Lec.3827 altering the casing to aluminium. The bearings and thrust faces are arranged for the helical gears which have already been instructed experimentally for quietness. The pump cover and relief valve is unchanged. E/JNR.{Charles L. Jenner} | ||