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 lock plate on the exhaust pipe nut to prevent it from working loose.
| Identifier | ExFiles\Box 6\7\ 07-page002 | |
| Date | 8th October 1925 | |
| RR.TRD (Low) (H.L.DRG S-11-20) HP 281497 HS{Lord Ernest Hives - Chair} X5230 COMPLETED 16.10.25 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 have 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. Weight of New Part. Difference per Car. Cost of Old Part. £ 1. 16. 6 Cost of New Part. £ 1. 17. 6 Difference per Car. £ 1. 0 increase. Signature of Mr. De LOOZE that above is correct. W. De/RNG. 9.10.25. SIGNATURES DATE REMARKS MR. JOHNSON 16 Oct agreed Johnson MR. B. JOHNSON 16.10.25 agreed B J MR. ROYCE 10.10.25 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 continual strain on this joint - next trouble will be broken flanges. EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT 10.10.25 Agreed. E.{Mr Elliott - Chief Engineer} MR. NORTHEY 9.10.25 Agreed. PN.{Mr Northey} MR. HIVES 12.10.25 Agreed. E.Hives. BOX ON RIGHT: 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..... £....... | ||