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 relating to the thermometer warning light operating temperature.
| Identifier | ExFiles\Box 15\1\ Scan348 | |
| Date | 1st August 1930 | |
| RR 755 REVISED (10H) (OG 345 19-7-29) 5M. 6/643. COMPLETED 4.9.30. X7250 STANDARDISATION of CHASSIS PARTS. Date 1.8.30. Description of Parts. OPERATION AT 97.5 C. OF THE WARNING LIGHT ON THERMOMETER. Origin. To prevent unnecessary apprehension. No. 3875. Drawing No. 7250. Part List Experimental Test Report. We wish to revert to this temperature of operation because if brought in lower the driver becomes alarmed unnecessarily. Road Test Report. Run 10,000 miles on several cars. Retrospective action might with advantage be taken on cars destined for hot climates. 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. £ 2. 7. 6d. Cost of New Part. £ 2. 7. 6d. Agreed Wor.{Arthur Wormald - General Works Manager} Difference per Car. £ Nil. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct. O/2b. 1.8.30 C.2.9.30. INITIAL | DATE | REMARKS BJ. Sg.{Arthur F. Sidgreaves - MD} | 3.9.30 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 14.8.30 | Agreed WHR.{Mr Wheeler} WOR.{Arthur Wormald - General Works Manager} | 19.8.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 11.8.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 12.8.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 7.8.30 | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 4.8.30 | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 11.8.30 | Agreed AE. PN.{Mr Northey} | 20.8.30 | Agreed PN.{Mr Northey} CWB. | | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed Hs{Lord Ernest Hives - Chair}/M.{Mr Moon / Mr Moore} | ||