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 a light type flywheel and clutch with a serrated drive and larger clutch stop.
| Identifier | ExFiles\Box 171\1\ img147 | |
| Date | 24th March 1928 | |
| RR 755 REVISED (10H) (D.C. 777-29-2-28) Mᵞ C. Lᵀ ORIGINAL COMPLETED 19.7.28 STANDARDISATION of CHASSIS PARTS. Date 24.3.28 Description of Parts: FLYWHEEL & CLUTCH, LIGHT TYPE SERRATED DRIVE, LARGER CLUTCH STOP. Drawing No.: X No. 7300 Origin: E-1-C To simplify the design and for lightness. Experimental Test Report: Fitted to 15-EX and run 10,000 miles in France. Road Test Report: This was run 10,000 miles in France and gave no trouble. The larger clutch stop was an improvement, no trouble with clutch not stopping. 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. Weight of Old Part: Cost of Old Part: £ 33. 9. 8d. Weight of New Part: Cost of New Part: £ 32. 7. 6 Difference per Car: Difference per Car: £ 1. 2. 2d. decrease. Signature from Cost Dept. that above is correct: G/Rb.{R. Bowen} 17.7.28. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... INITIAL | DATE | REMARKS BJ. | 18.7.28 | Agreed. B.J. R.{Sir Henry Royce} | 29/3/28 | Agreed. JMR WOR.{Arthur Wormald - General Works Manager} | 27.3.28 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 26.3.28 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 4.4.28 | Agreed, but presume causing the slight wear will be investigated. DA.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 28.3.28 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 27.3.28 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 28.3.28 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | 10.5.28 | Agreed. PN.{Mr Northey} CWB. | 4.4.28 | Agreed. CWB. At its best this is excellent but it appears to be somewhat variable in action and much less efficient when everything is hot. It is a great improvement on present pattern. CWB. Hs.{Lord Ernest Hives - Chair} | 24.3.28 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||