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 steel shells for main crankshaft bearings.
| Identifier | ExFiles\Box 14\2\ Scan002 | |
| Date | 22th September 1926 | |
| H3 RR 755 (10M) (DB{Donald Bastow - Suspensions}130 12-9-24) MS 301225 Handwritten: X7010 COMPLETED 27.10.26 STANDARDISATION of CHASSIS PARTS. Date 22.9.26 Box 1: Description of Parts: STEEL SHELLS FOR MAIN CRANKSHAFT BEARINGS. Origin: To improve reliability. Box 2 (Left): Experimental Test Report: 9000 miles in France fitted to 12-EX. Bearings with steel shells are standard on aero engines. 19-12-24 Box 2 (Right): Road Test Report: No trouble or failure with bearings during the test. Box 3 (Right): X No. 7010. Drawing No. Part List A [X] 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 ....... £ ...... Box 4 (Left): Weight of Old Part: Weight of New Part: Difference per Car: Box 4 (Right): Cost of Old Part: £ 2. 0. 9d. Cost of New Part: £ 2. 12. 9d. Difference per Car: £ 12. 0d. increase. Signature of Mr. De LOOZE that above is correct. Signatures Table: SIGNATURES, DATE, REMARKS [Signature] C.W.B., 24.9.26, Agreed., CWB. MR. B. JOHNSON, 27.X.26, agreed, [illegible] MR. ROYCE, 25.9.26, Agreed., FHR. MR. WORMALD, 23.9.26, Agreed., Wor.{Arthur Wormald - General Works Manager} MR. ROWLEDGE, 27.9.26, Agreed., RG.{Mr Rowledge} MR. DAY, 27.9.26, Agreed., Da.{Bernard Day - Chassis Design} MR. BAILEY, 11.10.26, Agreed., BY.{R.W. Bailey - Chief Engineer} MR. PLATFORD, 23.9.26, Agreed., EP.{G. Eric Platford - Chief Quality Engineer} MR. ELLIOTT, 27.9.26, Agreed., E.{Mr Elliott - Chief Engineer} MR. NORTHEY, 24.9.26, Agreed. c, PN.{Mr Northey} MR. HIVES, 22.9.26, Agreed., Hs.{Lord Ernest Hives - Chair} STAMPS: Large green stamp across center: PHANTOM Purple stamp: RECEIVED [illegible] | ||