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 flip flap type bonnet ventilators similar to the Phantom to overcome overheating.
| Identifier | ExFiles\Box 172\1\ img218 | |
| Date | 5th October 1931 | |
| RR 788 (10M) (6459. 24-10-30) 6/5185. ORIGINAL COMPLETED 4.12.31. STANDARDISATION of CHASSIS PARTS. Date 5.10.31 X No. 1085 5260 Drawing No. 3232 N. Sch Part List Description of Parts. FLIP FLAP TYPE BONNET VENTILATORS SIMILAR TO PHANTOM. Origin. To overcome overheating during hot weather. Experimental Test Report. Fitted to 19-GIV for tests in France. Road Test Report. Fitted to 19-GIV and ran 10,000 miles in France. Weather conditions have not been suitable to obtain definite results. Tests taken gave 2° lower temperatures. [STAMP: 20/25 H.P. CHASSIS] [STAMP: CLASSIFIED] [Options Box] 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. £ Cost of New Part. £ 1-13-10 Difference per Car. £ 1-18-10 Increase Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... Signature from Cost Dept. that above is correct. G/Rb{R. Bowen}24.11.31. G.25.11.31. [Approval Table] INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 26.11.31 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 13/10/31 | Agreed FHR WOR.{Arthur Wormald - General Works Manager} | 9.10.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 9.10.31. | Agreed C. RG.{Mr Rowledge} | 9.10.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 10.10.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 9.10.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 15.10.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 14.10.31. | Agreed AE. PN.{Mr Northey} | 16.10.31. | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed. | ||