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 of the standard oil pumps, their 20° obliquity gears, and the absence of noise complaints.
| Identifier | Morton\M3.7\ img021 | |
| Date | 29th August 1919 | |
| To E.{Mr Elliott - Chief Engineer} from H.{Arthur M. Hanbury - Head Complaints} c.c. to BN.{W.O. Bentley / Mr Barrington} c.c. to EY. c.c. to D.{John DeLooze - Company Secretary} ORIGINAL EHR/L129.8.19. 2 RE OIL PUMPS. x 3449 The present oil pumps we are using on the chassis have no small recess opposite the point of the meshing of the teeth. The gears are of the 20° obliquity. This type of pump has been standard on the chassis for some considerable time and we have had no complaint of.noise. EH. | ||