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 proposal to replace the cast iron induction pipe with an aluminium version to improve reliability.
| Identifier | ExFiles\Box 56\2\ Scan153 | |
| Date | 5th April 1927 | |
| RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. Handwritten: X5071 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 overcomes the fault. Road Test Report: Run 5500 miles on 11-G-111 * 4000 do * 10-G-111 This pipe is a definite improvement over the present one. Right hand box: 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. 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/- Saving Signature from Cost Dept. that above is correct. My RL 21/4/27 Cost of Parts in Works which will be scrapped if commenced on :- Series..........£....... Series..........£....... Series..........£....... Approval Table: INITIAL, DATE, REMARKS BJ., 25.5.27, Agreed. B. Johnson. 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} Stamp: 40 H.P. CHASSIS | ||