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).
Quoting Mr Royce on helical engine gears with 20° obliquity, and asking Mr Elliott whether a test should be abandoned.
| Identifier | ExFiles\Box 3\1\ 01-page138 | |
| Date | 27th September 1913 | |
| Wor{Arthur Wormald - General Works Manager}/SM7/L27913. Re Helical Engine Gears 20° obliquity. X.182 E.{Mr Elliott - Chief Engineer} 27-9-13. Mr Hives. The following is an extract from Na.{Mr Nadin}c. Mr Royce's memo RB{R. Bowen}/P23913. :- "With reference to the above helical engine "gears on X.182, 20 degrees angle will not "be considered a very great success. I "have suggested a finer pitch." Will Mr Elliott say whether this test should be abandoned. p. Wor.{Arthur Wormald - General Works Manager} | ||