Modification to the oil holes in the Wraith III gearbox constant mesh pinion and bush.
| Identifier | ExFiles\Box 8\11\ 11-page086 | |
| Date | 24th June 1937 | |
| SECRET 627 BY. {R.W. Bailey - Chief Engineer} C. E. {Mr Elliott - Chief Engineer} Da. {Bernard Day - Chassis Design} Fm. HPS. {Horace Percy Smith - Experimental Factory Mgr} E {Mr Elliott - Chief Engineer} /HDY. {William Hardy} 1/HP.24.6.37. Wraith III Gearbox. We send herewith N.Sch. 5182 showing a modification to the oil holes in the constant mesh pinion and bush. The modification is necessary to enable the holes in the pinion to be drilled. It is found that the drill fouls the teeth when attempting to drill the inclined holes originally shown by us. N.Sch.5182 herewith. E {Mr Elliott - Chief Engineer} /HDY. {William Hardy} | ||
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).
