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 on using cotton duck washers with lighter springs for the slipping wheel.
| Identifier | ExFiles\Box 171\1\ img135 | |
| Date | 30th March 1928 | |
| RR 785 REVISED (10H) (D.C. 777 - 29-2-28) ME C.L. COMPLETED 10.5.28 STANDARDISATION of CHASSIS PARTS. Date 30.3.28 Description of Parts. COTTON DUCK WASHERS FOR SLIPPING WHEEL IN CONJUNCTION WITH LIGHTER SPRINGS. Origin. To obtain an equal initial and slipping load. 356 X No. 7300 Drawing No. E.76740/1 Part List Experimental Test Report. It has been proved that we can overcome the complaints of a knock in the engine by reducing the load on the slipper wheel. There are no apparent disadvantages. Road Test Report. Run 10,000 miles on 15-EX. Fitted to several customers cars. Running on 12-EX and 8-EX. No troubles. Used by RR. Springfield for some time. 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 place 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. £ 0. 8. 4. Weight of New Part. Cost of New Part. £ 0. 3. 2. Wor.{Arthur Wormald - General Works Manager} Difference per Car. £ 0. 5. 2. decrease. Signature from Cost Dept. that above is correct. G/Rb.{R. Bowen} 8.5.28. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£....... Series.........£....... Series.........£....... APPROVAL TABLE: INITIAL | DATE | REMARKS BJ. | 10.5.28 | Agreed. BJ. R.{Sir Henry Royce} | 11/4/28 | Agree FHR WOR.{Arthur Wormald - General Works Manager} | 30.3.28 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 4.4.28 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 4.4.28 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 2.4.28 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 30.3.28 | Hold up at present. Failure of one on test. Mx.{John H Maddocks - Chief Proving Officer} taking up with BY.{R.W. Bailey - Chief Engineer} and Hs.{Lord Ernest Hives - Chair} EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 2.4.28 | Agreed. E.{Mr Elliott - Chief Engineer} PN.{Mr Northey} | | CWB. | 4.4.28 | Agreed. CWB. Hs.{Lord Ernest Hives - Chair} | 30.3.28 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||