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 proposal for replacing bonnets with shutters with louvred bonnets.
| Identifier | ExFiles\Box 119\3\ scan0100 | |
| Date | 11th May 1927 | |
| RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1187. X1085- COMPLETED 11.7.27 STANDARDISATION of CHASSIS PARTS. Date 11.5.27 Description of Parts. BONNET WITH SHUTTERS. [handwritten: CUT] Origin. Considered unnecessary. Experimental Test Report. [handwritten in margin: rect] It is proposed to fit only louvred bonnets or bonnets [handwritten: with front shutters only]. [crossed out: The present] shutters are very rarely used and detract from the appearance of the bonnet. Louvred bonnets will be fitted for hot countries. Road Test Report. The gain in cooling efficiency with the shutters open is 4 to 5%. X No. 1085 [handwritten: S280] Drawing No. E/46146/Y. 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. Weight of Old Part. Cost of Old Part. £ 2-16-3 Weight of New Part. Cost of New Part. £ 1-7-3 Difference per Car. Difference per Car. £ 1-9-0 Saving Signature from Cost Dept. that above is correct. [Signature: MyRL] [Date: 7/5/27] Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... INITIAL | DATE | REMARKS BJ. | 11.7.27 | Agreed. B.Johnson. R.{Sir Henry Royce} | 12.5.27 | Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} | 24.5.27 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 13.5.27 | Agreed. Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 13.5.27 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 12.5.27 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 11.5.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 12.5.27 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | CWB. | | HS.{Lord Ernest Hives - Chair} | 11.5.27 | Agreed. Hs.{Lord Ernest Hives - Chair} [Large faint blue stamp across document: ACTION] | ||