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).
Standardisation document regarding flexibility in the servo shaft by replacing a rubber ring with a plate spring.
| Identifier | ExFiles\Box 67\1\ scan0053 | |
| Date | 24th December 1926 | |
| RR 755 REVISED (10H) (DE 444 6-10-26) BM. V4370 COMPLETED 17.1.27 STANDARDISATION of CHASSIS PARTS. Date 24.12.26 Description of Parts. FLEXIBILITY IN THE SERVO SHAFT. Origin. To replace rubber ring. Experimental Test Report. The new plate spring acts as effectively as the rubber ring and it is considered that it will be more reliable in service. Road Test Report. This metal plate spring has been tested out on the road and found to be a satisfactory cure for jaggers. It cannot affect the reliability of the car. X No. 8370 Drawing No. G.74857 No. N.Sch.2192 Part List A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. C Scrap present stock and replace on all Chassis not yet handed to test. D Use existing stock Alteration effective on future Chassis. Weight of Old Part. £ Cost of Old Part. £ Weight of New Part. £ Cost of New Part. £ Difference per Car. £ Difference per Car. £ None. Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 11.1.27 Cost of Parts in Works which will be scrapped if commenced on :- Series.........£........ Series.........£........ Series.........£........ INITIAL | DATE | REMARKS BJ. | 17.1.27 | agreed B/ R.{Sir Henry Royce} | 28.12.26 | Agreed. FHR. Definitely good on 7-EX I have in France which was defective last year, should be applied to all back numbers of 4-wheel brakes - costs very little considering its value. WOR.{Arthur Wormald - General Works Manager} | 31.12.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 29.12.26 | Agreed. Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 31.12.26 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 24.12.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 24.12.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 1.1.27 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | 12.1.27 | Agreed PN.{Mr Northey} CWB. | 30.12.26 | Agreed. CWB. Hs.{Lord Ernest Hives - Chair} | 24.12.26 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||