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 proposal for a new fan with duralumin flanges and blades to reduce weight.
| Identifier | ExFiles\Box 14\7\ Scan001 | |
| Date | 23th September 1926 | |
| RR 785 REVISED (10H) (DE444 6-10-26) BM. X7220 COMPLETED 18.10.26 STANDARDISATION of CHASSIS PARTS. Description of Parts. FAN WITH DURALUMIN FLANGES AND BLADES. Origin. To reduce weight. Experimental Test Report. Reduces wear of fan belt. Road Test Report. 10,000 miles in France fitted to 12-EX. Condition of fan at the end of test was quite O.K. Date 23.9.26 X No. 7220 Drawing No. Part List 10 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. Weight of New Part. Difference per Car. Cost of Old Part. £ 3. 6d. Cost of New Part. £ 12. 0d. Difference per Car. £ 8. 6d. increase. Cost of Parts in Works which will be scrapped if commenced on:- Series.........£....... Series.........£....... Series.........£....... Signature from Cost Dept. that above is correct. My/Rb.{R. Bowen} 14.10.26 INITIAL | DATE | REMARKS BJ. | 18.X.26 | agreed R.{Sir Henry Royce} | 25.9.26 | Agreed. FHR. WOR.{Arthur Wormald - General Works Manager} | 24.9.26 | Agreed. Wor.{Arthur Wormald - General Works Manager} RG.{Mr Rowledge} | 27.9.26 | Agreed. RG.{Mr Rowledge} DA.{Bernard Day - Chassis Design} | 27.9.26 | Agreed. Da.{Bernard Day - Chassis Design} BY.{R.W. Bailey - Chief Engineer} | 11.10.26 | Agreed. BY.{R.W. Bailey - Chief Engineer} EP.{G. Eric Platford - Chief Quality Engineer} | 27.9.26 | Agreed. EP.{G. Eric Platford - Chief Quality Engineer} E.{Mr Elliott - Chief Engineer} | 27.9.26 | Agreed. E.{Mr Elliott - Chief Engineer} This suggests the same alteration being applied to the 20 HP. chassis. PN.{Mr Northey} | 1.10.26 | Agreed. PN.{Mr Northey} CWB. | 24.9.26 | Agreed. CWB. Hs.{Lord Ernest Hives - Chair} | 23.9.26 | Agreed. Hs.{Lord Ernest Hives - Chair} [Watermark: PHANTOM] [Stamp on right side: 14 SEP 1926] | ||