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 report for flip-flap type bonnet ventilators.
| Identifier | ExFiles\Box 171\1\ img266 | |
| Date | 8th July 1931 | |
| RR 755 (10M) (5459. 24-10-30) 6/3185. COMPLETED 21.11.31. STANDARDISATION OF CHASSIS PARTS. Date 8.7.31 No. 1085/726 Drawing No. N.Sch. 3232 Part List Description of Parts. FLIP FLAP TYPE BONNET VENTILATORS. Origin. To improve appearance and facilitate operation. Experimental Test Report. Fitted to 20-EX Appearance and ease of operation approved by Sales. Road Test Report. Tests at present in progress on 25-EX in France indicate that this type of ventilator is not less effective than present sliding shutter type. Weight of Old Part. Cost of Old Part. £ 1. 4. 11d. Weight of New Part. Cost of New Part. £ 2. 19. 5d. Difference per Car. Difference per Car. £ 1. 14. 6d. Increase. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen}10.11.31. Wor.{Arthur Wormald - General Works Manager} 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. Cost of Parts in Works which will be scrapped if commenced on:- Series…£… Series…£… Series…£… INITIAL DATE REMARKS SG.{Arthur F. Sidgreaves - MD} 12.11.31. Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} 10/7/31. Agreed TMR, this seems a good move; owing to there WOR.{Arthur Wormald - General Works Manager} 9.7.31. being so little difference which way anything fits it & it looks as C. 9.7.31. I thought the pivot should be central, because RG.{Mr Rowledge} 9.7.31. Agreed Rg.{Mr Rowledge} it would make them Easier to open, a point DA.{Bernard Day - Chassis Design} 11.7.31. Agreed Da.{Bernard Day - Chassis Design} I think needs improvement, & I much prefer them BY.{R.W. Bailey - Chief Engineer} 9.7.31. Agreed By.{R.W. Bailey - Chief Engineer} this type of ventilators [struck out text] & lowers because EP.{G. Eric Platford - Chief Quality Engineer} 7.7.31. Agreed EP.{G. Eric Platford - Chief Quality Engineer} they need not be open unless high speed & weather conditions demand E.{Mr Elliott - Chief Engineer} 10.7.31. Agreed AE. Our old shutters are quite out of date – PN.{Mr Northey} 10.7.31. Agreed PN.{Mr Northey} Our original scheme adopted almost 25 years ago. HS.{Lord Ernest Hives - Chair} Agreed HS.{Lord Ernest Hives - Chair} 23 | ||