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 results summary for various automotive parts, detailing outcomes and required actions.
| Identifier | ExFiles\Box 91\2\ scan0363 | |
| Date | 18th September 1937 | |
| 16. Rm{William Robotham - Chief Engineer}/INV.1/HH.18.9.37. Ref. Description of Part. Result of Test. Lec.5191. High Pressure S.U. Petrol Satisfactory. Already on Pump on frame. production. R.S.5087. Stone guard for rear brake Satisfactory. Further mod. to intermediate shaft. R.H.Sch. 1112. Lec.5318. Mod. to Front wing stay Standardisation sheet to be fixings. issued. Lec.5668. Threaded shackles for rear Further experience and develop- road springs. ment required before standard- ising. Lec.5601. Built up steering cam Tube. Standardisation sheet to be Rm.{William Robotham - Chief Engineer} 352. issued. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} Timken bearings for steering Will come on with Wraith cam. (standard on 25/30.) wheel movement. Lec.5556. Pin without serrations for Standardisation sheet to be Ex.23595/6. roller follower. issued. (Standardised for 25/30.) Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} .010 - .015 load on ball Standardisation sheet to be instead of .005 - .007 in rear issued. joint of side steering tube to allow for wear. | ||