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 report for a lock plate on the exhaust pipe nut.
| Identifier | ExFiles\Box 172\1\ img072 | |
| Date | 8th October 1925 | |
| RR 755 (10H) (SL391 2-11-23) MP 281297 ORIGINAL COMPLETED 17.10.25. STANDARDISATION of CHASSIS PARTS. Date 8.10.25. Description of Parts. LOCK PLATE FOR NUT ON EXHAUST PIPE. Origin. To prevent nut working loose. Experimental Test Report. There has been several complaints of the exhaust nut fixing the pipe to the manifold, working loose. The scheme tested is similar to that used on 40/50 HP. Silver Ghost. Road Test Report. Run 10,000 miles on 9-G-111. No troubles. Weight of Old Part. Cost of Old Part. £1. 16s. 6d. Weight of New Part. Cost of New Part. £1. 17s. 6d. Difference per Car. Difference per Car. £ 1s. 0d. increase. Signature of Mr. De LOOZE that above is correct. My/Rns. 9.10.25. X No. 5230 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 Cost of Parts in Works which will be scrapped if commenced on:— Series........ £......... Series........ £......... Series........ £......... SIGNATURES | DATE | REMARKS MR. JOHNSON | 16.10.25 | Agreed. C.Johnson. MR. B. JOHNSON | 16.10.25 | Agreed. B.J. MR. ROYCE | Oct 10/25 | Agreed FHR MR. WORMALD | 9.10.25 | Agreed. Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE | 12.10.25 | Agreed. Rg.{Mr Rowledge} MR. DAY | 10.10.25 | Agreed. Da.{Bernard Day - Chassis Design} MR. BAILEY | 9.10.25 | Agreed. BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD | 8.10.25 | Agreed, but in addition more flexibility is required in this pipe - There is a continual strain on this joint - next trouble will be broken flanges. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT | 10/10/25 | Agreed CE MR. NORTHEY | 9.10.25 | Agreed. PN.{Mr Northey} MR. HIVES | 12.10.25 | Agreed. E.Hives. | ||