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 a diamond engine mounting to overcome complaints of booms in the body.
| Identifier | ExFiles\Box 14\5\ Scan257 | |
| Date | 22th September 1931 | |
| RR 755 (10M) (B459, 24-10-30) 6/3185. X7A05. COMPLETED 2.12.31. STANDARDISATION of CHASSIS PARTS. Date 22.9.31. X No. 7005 Drawing Lec. No. 2911 Description of Parts. DIAMOND ENGINE MOUNTING Origin. To overcome complaints of booms in the body. Experimental Test Report. Road Test Report. This type of mounting has been tried out on 24-EX and 26-EX to overcome booms. Fitted to 25-EX and ran 20,000 miles. It has not shown any defects and the body has been free from periods of booms. Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 14-1-4 Cost of New Part. £ 14-14-0 Difference per Car. £ 0-12-8 Increase Signature from Cost Dept. that above is correct. GHRH 30/11/31 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. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... STAMP: PHANTOM II STAMP: Received 1 DEC 1931 J.S. DEPT INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 30-11-31. | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 28.9.31. | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 23.9.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 24.9.31. | Agreed C. RG.{Mr Rowledge} | 7.10.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 26.9.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 23.9.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 5.10.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} Scheme required to overcome front frame jellying. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 28.9.31. | Agreed AE. PN.{Mr Northey} | ------ | ------ HS.{Lord Ernest Hives - Chair} | | Agreed. | ||