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).
Test report detailing modifications and standardization decisions for various vehicle parts.
| Identifier | ExFiles\Box 91\2\ scan0365 | |
| Date | 18th September 1937 | |
| 18. Rm{William Robotham - Chief Engineer}/IBW.1/ME.18.9.37. Ref. Description of Part. Result of Test. G.85155. G.84797. Front and rear brake drums in Chromidium which is less expensive than standard Millenite. Satisfactory. Standardisation sheet to be issued. Ex.27870. Rear Axle Pinion Bearing adjustment washer in S/SN{Mr Sanderson} Standardisation sheet to be issued. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Rear Axle Pinion non hardened, to keep inner race of roller bearing tight. Further mileage required in next car before standardising. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Ball bearings in place of rollers in rear hubs. Standardisation sheet to be issued. Rm{William Robotham - Chief Engineer}/Gry.{Shadwell Grylls} Lightened tank for Hydraulic jacks. Standardisation sheet to be issued. C.84349950. Machining mod. to rear brake carrier plates. Already on production. Rm{William Robotham - Chief Engineer}/APA. Keys omitted from rear ball crank levers. Standardisation sheet to be issued pending discussion. Ex.46. 3.2" lever on rear brake intermediate shaft to increase front to rear ratio. Standardisation sheet to be issued. | ||