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 chassis parts, specifically the exhaust system E.55578.
| Identifier | ExFiles\Box 172\1\ img164 | |
| Date | 23th April 1930 | |
| RR 755 REVISED (10H) (OF 687 4-1-28) RR.1/5843 ORIGINAL COMPLETED 27.5.30. STANDARDISATION of CHASSIS PARTS. Date 23.4.30+ No. 2280 Description of Parts. EXHAUST SYSTEM. E.55578. Drawing No. C.1241 Part No. CH.1249 List Sliding Joint Sch. 29 Origin. To overcome failure of manifold and exhaust pipes. Experimental Test Report. We have always previously been in trouble with exhaust systems. Road Test Report. Fitted to 14-G4 and ran 3000 miles without shewing any failures. A Scrap and replace at all costs, including Chassis already delivered to Customers. B Scrap and replace on Chassis in Works. [X] 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. £ Cost of Parts in Works which will be scrapped if commenced on :- Series..........£.......... Series..........£.......... Series..........£.......... Weight of New Part. £ Cost of New Part. £ Wor.{Arthur Wormald - General Works Manager} 23.5.30. Difference per Car. £ Difference per Car. £ Signature from Cost Dept. that above is correct. 14.7. Increase. G/Ho 23.5.30. S.S. INITIAL | DATE | REMARKS BJK SS.{S. Smith} | 16.6.30 | Agreed SS.{S. Smith} R.{Sir Henry Royce} | 27/5/30 | Agreed HHR WOR.{Arthur Wormald - General Works Manager} | 25.4.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 23.4.30 | Agreed RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 2.5.30 | Agreed Da.{Bernard Day - Chassis Design} Understood to be intermediate between the old system which gave trouble and the "final Japan" system with front expansion box. BY.{R.W. Bailey - Chief Engineer} | 24.4.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 24.4.30 | Agreed. Certainly improvement. Still require cure for exhaust boom periods. Very objectionable when 'boomy' bodies fitted. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 16.5.30 | Agreed AE. PN.{Mr Northey} | 24.4.30 | Agreed. Hoping this modification will prove effective. PN.{Mr Northey} CWB. | 24.4.30 | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed | ||