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 an Auto Kleen filter, replacing the scroll clutch device with a ratchet freewheel on chassis parts.
| Identifier | ExFiles\Box 171\1\ img227 | |
| Date | 25th August 1930 | |
| RR 78B REVISED (10H) (DG 348 19-7-28) 5M. 6/643. ORIGINAL COMPLETED 8.11.30. STANDARDISATION of CHASSIS PARTS. Date 25.8.30. No. 4037. Drawing No. E.80670 Part List No. C.2800 Description of Parts. AUTO KLEEN FILTER, SCROLL CLUTCH DEVICE REPLACED BY RATCHET FREEWHEEL. Origin. To thoroughly filter the oil in crankcase. Experimental Test Report. Fitted to 24-EX. Filtering of oil satisfactory. Road Test Report. Fitted to 24-EX and ran 10,000 miles. The operation of ratchet freewheel was OK. Slight leak of oil from the gland packing. Filtering of oil very good, sludge and foreign matter being collected in the retainer. Decision: [X] 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. £34.14.1d. Weight of New Part. Cost of New Part. £38.10.9d. Difference per Car. Difference per Car. £ 3.16.8d. Increase. Cost of Parts in Works which will be scrapped if commenced on :- Series.........£......... Series.........£......... Series.........£......... Signature from Cost Dept. that above is correct. G/RD. 5.11.30. G 7.11.30. Wor.{Arthur Wormald - General Works Manager} APPROVALS TABLE: INITIAL | DATE | REMARKS EX SG.{Arthur F. Sidgreaves - MD} | 7.11.30 | Agreed Sg.{Arthur F. Sidgreaves - MD} R.{Sir Henry Royce} | 29/8/30 | Agreed WR WOR.{Arthur Wormald - General Works Manager} | 26.8.30 | Agreed Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 26.8.30 | Agreed Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 26.8.30 | Agreed Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 26.8.30 | Agreed BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 25.8.30 | Agreed. Desirable feature. Take it oil leak will be cured for production. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 3/9/30 | Agreed CE PN.{Mr Northey} | 26.8.30 | Agreed PN.{Mr Northey} CWB. | | Agreed C. HS.{Lord Ernest Hives - Chair} | | Agreed. WATERMARK: PHANTOM | ||