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 of chassis parts, replacing cast iron induction pipes with aluminium ones to improve reliability.
| Identifier | ExFiles\Box 172\1\ img103 | |
| Date | 5th April 1927 | |
| RR 785 REVISED (10H) (DE.649 9-12-26) BM. 2/1187 ORIGINAL COMPLETED 25.5.27 STANDARDISATION of CHASSIS PARTS. Date 5.4.27 Description of Parts. ALUMINIUM INDUCTION PIPE IN PLACE OF CAST IRON. X No. 5070 / 5071 Drawing No. Part List Origin, Series 'D' 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 overcomes the fault. Road Test Report. Run 5500 miles on 11-G-111 " 4000 " " 10-G-111 This pipe is a definite improvement over the present one. 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. [STAMP: 20. H.L. CHASSIS] Weight of Old Part. Cost of Old Part. £ 4. 14. 6 Weight of New Part. Cost of New Part. £ 4. 13. 6d. Difference per Car. Difference per Car. £ 1. 0d. saving. Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 21.4.27. Cost of Parts in Works which will be scrapped if commenced on :- Series..........£.......... Series..........£.......... Series..........£.......... INITIAL DATE REMARKS BJ. 25.5.27 Agreed. B.Johnson. R.{Sir Henry Royce} 12/4/27 Agreed HTR 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} | ||