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).
Improvement to Plain Ends Planet Gears, including confirmation testing and specific dimensional recommendations.
| Identifier | WestWitteringFiles\B\January1918\ Scan9 | |
| Date | 18th January 1918 | |
| To By.{R.W. Bailey - Chief Engineer} from R.{Sir Henry Royce} c. to EH. c. to BJ. [Stamp: ORIGINAL] X. 3/68 B. X. 3000. R14/W15.1D.a. 4 18 JAN 1918 Re - Plain Ends - Planet Gears. Mr. Hives considers this to be a distinct improvement on the existing type. They are less costly to produce, they do not interfere with interchangeability and I think should be standardised, even on the present test and this test will be confirmed by the new 100 hour test which [handwritten insertion: we hope] will be started up in a few days and therefore before the improvement is adopted the present test will be confirmed. Mr. Hives recommends that the taper plugs in the end should should have a draw of from .015 to .030" and that the ball bearing should be pressed on .0005" tight. R.{Sir Henry Royce} [Stamp: RECEIVED] [Stamp: Circular clock face] | ||