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 report for a modified pipe to the exhaust hot spot to improve reliability.
| Identifier | ExFiles\Box 171\1\ img123 | |
| Date | 10th November 1927 | |
| RR 755 REVISED (10H) (DE 649 9-12-26) BM. 2/1197. STANDARDISATION of CHASSIS PARTS. Description of Parts. MODIFIED PIPE TO EXHAUST HOT SPOT. Origin. To improve reliability. Experimental Test Report. We have frequent complaints of the present pipe distorting and causing an exhaust blow. The modified arrangement has a pipe with bend for flexibility instead of sliding joint. Road Test Report. Run 10,000 miles on 8-EX car. No trouble. X No. 8230 Drawing No. 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. Weight of New Part. Difference per Car. Cost of Old Part. £ Cost of New Part. £ Difference per Car. £ Cost of Parts in Works which will be scrapped if commenced on :- Series..........£......... Series..........£......... Series..........£......... Signature from Cost Dept. that above is correct. INITIAL, DATE, REMARKS BJ. R.{Sir Henry Royce} WOR.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} PN.{Mr Northey}, 29.11.27, Agreed P.N. CWB. HS.{Lord Ernest Hives - Chair}, 10.11.27, Agreed. E.{Mr Elliott - Chief Engineer} Hives. | ||