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 the spare wheel fixing bolt, changing from a hexagon head to a handle.
| Identifier | ExFiles\Box 172\1\ img120 | |
| Date | 7th November 1927 | |
| RR 755 REVISED (10H) (DE649 9-12-26) BM. 2/1197. ORIGINAL COMPLETED 12.12.27 STANDARDISATION of CHASSIS PARTS. Date 7.11.27 Description of Parts. SPARE WHEEL FIXING BOLT WITH HANDLE INSTEAD OF HEXAGON. Origin. To improve design. X No. 5600 Drawing No. Part List Experimental Test Report. We have always used a handle on the bolt for fixing Phantom spare wheels, but on the 20 HP. a hexagon is used which needs a spanner. It is now proposed to use a handle similar to the Phantom. Road Test Report. Fitted to 10-G-111 car run 400 miles. Fitted to 11-G-111 car run 2000 miles. [Action Box] X in box B 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. £ 3s. 6d. Cost of New Part. £ 9s. 0d. Difference per Car. £ 5s. 6d. increase. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 1.12.27. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... [STAMP: H.P. CHASSIS] [APPROVALS TABLE] INITIAL | DATE | REMARKS BJ. | 12.12.27 | Agreed. BJ. R.{Sir Henry Royce} | 8/11/27 | Agreed LOR I am anxious to alter this & bolt to pattern instead of set screw ie like latest Phantom WOR.{Arthur Wormald - General Works Manager} | 8.11.27 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 22.11.27 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 10.11.27 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 8.11.27 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 10.11.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 8/11/27 | Agreed (signature) PN.{Mr Northey} | | CWB. | 11.11.27 | Agreed. CWB. HS.{Lord Ernest Hives - Chair} | 7.11.27 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||