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 a Zenith petrol filter to prevent jet stoppage.
| Identifier | ExFiles\Box 44\1\ Scan161 | |
| Date | 23th May 1927 | |
| RR 722 REVISED (10H) (DE 649 9-12-26) 5M. 2/1157. Y3700 COMPLETED 11.6.27 STANDARDISATION of CHASSIS PARTS. Date 23.5.27 [STAMPS & HANDWRITING] [Left margin]: Ha [Circular stamp]: RECEIVED [Green circular stamp]: S.H.P. CHASSIS Description of Parts. ZENITH PETROL FILTER. [Handwritten]: 1927 Origin. To prevent stoppage of jets complained of by customers. Experimental Test Report. This was fitted to 10-G-111 and ran 10,000 miles in France. Road Test Report. A considerable amount of sand and fluff was collected in the filter. No stoppage of jets occurred during the test. We consider it worth fitting. [Right hand box] X No. 3700 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 Section] Weight of Old Part. Weight of New Part. Difference per Car. Cost of Old Part. £ 1. 1d. Cost of New Part. £ 17. 7d. Difference per Car. £ 16. 6. increase. Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 1.6.27. Cost of Parts in Works which will be scrapped if commenced on :— Series......£...... Series......£...... Series......£...... [Approval Table] INITIAL | DATE | REMARKS BJ. | 10.6.27 | agreed R.{Sir Henry Royce} | 25.5.27 | Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} | 23.5.27 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 30.5.27 | Agreed. Rg.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 26.5.27 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 25.5.27 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 24.5.27 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 25.5.27 | Agreed. E.{Mr Elliott - Chief Engineer} The filter at present on the carb. should be cancelled otherwise it will not receive attention. PN.{Mr Northey} | | CWB. | 27.5.27 | Agreed. CWB. Cannot increased cost of this fitting be compensated by suppression of existing float chamber filter. Hs.{Lord Ernest Hives - Chair} | 23.5.27 | Agreed. Hs.{Lord Ernest Hives - Chair} | ||