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 document for a lengthened rear exhaust pipe.
| Identifier | ExFiles\Box 6\7\ 07-page140 | |
| Date | 27th June 1931 | |
| RR 730 (100) (24-10-30) R/3335. Y5230 - COMPLETED 8.9.31. STANDARDISATION of CHASSIS PARTS. Description of Parts. LENGTHENED REAR EXHAUST PIPE. Origin. To carry exhaust fumes away to rear of chassis and to overcome burning of spring gaiters. Experimental Test Report. Overcomes trouble of burning spring gaiters; carries exhaust fumes outside body or rear valance. Road Test Report. Fitted to 25-EX. now on 10,000 miles test in France. Will be fitted to 19-G4. for similar test. [STAMP: PHANTOM CHASSIS] Weight of Old Part. Weight of New Part. Difference per Car. 40/50 HP. Cost of Old Part. £ - 3. 4. Cost of New Part. £ - 5. 6. Difference per Car. £ - 2. 1. 20/25 HP. - 4. 11. - 1. 7d. Increase. Signature from Cost Dept. that above is correct. G/Rh{R. Hollingworth} 4.9.31 C 5.9.31 Wor.{Arthur Wormald - General Works Manager} [Right hand side box] X No. 7230. 5230. Drawing No. Sch.1471. Part List Fig.C A Scrap and replace on all chassis 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 up existing stock Alteration effective on future Chassis. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... [Approval Table] INITIAL | DATE | REMARKS SG.{Arthur F. Sidgreaves - MD} | 7.9.31 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 29.6.31. | Agreed RHR. WOR.{Arthur Wormald - General Works Manager} | 25.8.31. | Agreed Wor.{Arthur Wormald - General Works Manager} C. | 30.6.31. | Agreed C. RG.{Mr Rowledge} | 5.7.31. | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 29.6.31. | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 29.6.31. | Agreed By.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 29.6.31. | Agreed EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 29.6.31. | Agreed AE. PN.{Mr Northey} | 7.9.31. | Agreed PN.{Mr Northey} HS.{Lord Ernest Hives - Chair} | | Agreed Hs.{Lord Ernest Hives - Chair} | ||