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 to replace existing cylinder head tubes with nickel-coated copper tubes.
| Identifier | ExFiles\Box 171\1\ img189 | |
| Date | 24th March 1930 | |
| RR 755 REVISED (10H) (DP 687 4-1-29) BM. 2/9943 ORIGINAL COMPLETED 15.4.30. STANDARDISATION of CHASSIS PARTS. Description of Parts: NICKEL-COATED COPPER CYLINDER HEAD TUBES. Origin: To overcome troubles in service. Experimental Test Report. The existing tubes have corroded through in a number of cases and allowed the crankcase to fill with water. The alteration is urgently required. Road Test Report. We have subjected various types of tube to intensive tests and find the nickel coated copper tube to be far superior to the aluminium. Run on 20-EX and 22-EX. Fitted to 23-EX 10,000 miles car. [Action Options] 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. £ - 3 0d. Cost of New Part. £ - 3 3d. Difference per Car. £ - - 3d. Increase. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... Signature from Cost Dept. that above is correct. C/Ro.{C. C. Rose - Export Manager}15.4.30 C.11.4.30 [Approvals Table] INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 14.4.30 | Agreed SG.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | April 8th | Agreed pp. R.{Sir Henry Royce} Rg.{Mr Rowledge} OE. By WOR.{Arthur Wormald - General Works Manager} | 24.3.30 | Agreed WOR.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 1.4.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 24.3.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 25.3.30 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 29.3.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 24.3.30 | Agreed E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | 25.3.30 | Agreed PN.{Mr Northey} CWB. | 25.3.30 | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed [Stamps] ACTION CHECKED | ||