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 baffle on the silencer to reduce heat transfer to the car body.
| Identifier | ExFiles\Box 171\1\ img104 | |
| Date | 25th May 1927 | |
| RR 785 REVISED (10H) (DE649 9-12-26) BM. 2/1167 ORIGINAL COMPLETED 20.7.27 STANDARDISATION of CHASSIS PARTS. Date 25.5.27 X No. 3830 Drawing No. - Part List Description of Parts. BAFFLE ON SILENCER TO REDUCE HEAT IN BODY. Origin. To overcome complaints. Experimental. Test. Report. An aluminium asbestos lined baffle is fitted above the silencer. It is well protected by the silencer from damage. Road Test Report. Fitted to 14-EX - run 1000 miles. Fitted to 8-EX - run 500 miles. Tests shew it to be a definite improvement. Recommended for standardisation at once. [Action Box] A Scrap and replace at all costs including Chassis already delivered to Customers [Crossed out] B Scrap and replace on Chassis in Works. [Crossed out] C Scrap present stock and replace on all Chassis not yet handed to test. [Ticked] D Use existing stock Alteration effective on future Chassis. Weight of Old Part. - Cost of Old Part. £ s. 6d. Weight of New Part. - Cost of New Part. £ 3. 18. 6d. Difference per Car. - Difference per Car. £ 3. 12. 6d. increase. Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 7.7.27 Cost of Parts in Works which will be scrapped if commenced on :- Series..........£.......... Series..........£.......... Series..........£.......... [Approvals Table] INITIAL | DATE | REMARKS BJ | 20.7.27 | Agreed. B.Johnson. For chassis for closed cars only. R.{Sir Henry Royce} | 27/5/27 | Agreed FHR. WOR.{Arthur Wormald - General Works Manager} | 25.5.27 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 30.5.27 | Agreed. Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 28.5.27 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 26.5.27 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 26.5.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 30/5/27 | Agreed E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | CWB. | 27.5.27 | Agreed. CWB. Something on these lines is most urgently required to deal with cases of complaint. HS.{Lord Ernest Hives - Chair} | 25.5.27 | Agreed. Hs.{Lord Ernest Hives - Chair} [Green Stamp Diagonally Across Document] INFORMATION | ||