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 report for replacing the cast iron induction pipe with an aluminium one to improve reliability.
| Identifier | ExFiles\Box 56\2\ Scan143 | |
| Date | 5th April 1927 | |
| RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. /5070 . Completed 25-5-27 STANDARDISATION of CHASSIS PARTS. Date 5.4.27 Description of Parts. ALUMINIUM INDUCTION PIPE IN PLACE OF CAST IRON. Origin. To improve reliability. Experimental Test Report. We have had frequent failures of the lugs on the cast iron pipes. The modified design in aluminium entirely over-comes the fault. Road Test Report. Run 5500 miles on 11-G-111 Run 4000 """"""""""" 10-G-111 This pipe is a definite improvement over the present one. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 4. 14. 6. Cost of New Part. £ 4. 13. 6 Difference per Car. £ 1. 0d. saving. Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 21.4.27. INITIAL | DATE | REMARKS BJ. | 25.5.27 | Agreed R.{Sir Henry Royce} | 12.4.27 | Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} | 7.4.27 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 13.4.27 | Agreed. Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 8.4.27 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 6.4.27 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 7.4.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 12.4.27 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | CWB. | 5.5.27 | Agreed. CWB. HS.{Lord Ernest Hives - Chair} | 5.4.27 | Agreed. Hs.{Lord Ernest Hives - Chair} (Handwritten Signature across several rows: Instructed) X No. 5070 / 5071 Drawing No. 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. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£......... Series.........£......... Series.........£......... (STAMPED: 20. H.P. CHASSIS) (Handwritten: #S) | ||