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 an exhaust pipe stay designed to prevent vibration.
| Identifier | ExFiles\Box 48\4\ Scan205 | |
| Date | 15th April 1924 | |
| STANDARDISATION of CHASSIS PARTS. Description of Parts. STAY FOR EXHAUST PIPE. Origin. To prevent pipe vibrating. Experimental Test Report. At low engine speeds with the engine running light, we sometimes get a vibration, caused by the exhaust pipe vibrating from the manifold to the silencer. The proposed stay overcomes this. Road Test Report. Fitted to 4-G-11 - run 3800 miles. Fitted to 6-G-11 - run 6700 miles. No trouble. Weight of Old Part. £ Weight of New Part. £ Difference per Car. £ Cost of Old Part. £ Cost of New Part. £ 1. 7 Difference per Car. £ 1. 7 increase. X No. 4238 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...£... Signature of Mr. De LOOZE that above is correct. My/Rms. 26.4.24. SIGNATURES | DATE | REMARKS MR. JOHNSON | 22 May | Agreed BJohnson MR. B. JOHNSON | 22.5.24 | Agreed B.J. MR. ROYCE | 27.4.24 | Agreed. FHR. MR. WORMALD | 6.5.24 | Agreed. Wor. {Arthur Wormald - General Works Manager} MR. ROWLEDGE | 16.4.24 | Agreed. Rg. {Mr Rowledge} MR. DAY | 29.4.24 | Agreed. Da. {Bernard Day - Chassis Design} MR. BAILEY | 17.4.24 | Agreed. BY. {R.W. Bailey - Chief Engineer} MR. PLATFORD | 17.4.24 | Agreed. EP. {G. Eric Platford - Chief Quality Engineer} Consideration should be given to apply retrospectively in case of complaint. MR. ELLIOTT | 10.5.24 | Agreed. E. {Mr Elliott - Chief Engineer} MR. NORTHEY | 16.4.24 | Agreed. PN. {Mr Northey} MR. HIVES | 21.5.24 | Agreed. E.Hives. Handwritten text at top: 4238 Completed 22/5/24 Faint watermark text: CHASSIS | ||