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).
Modified fan parts, replacements, and blueprints for a Bentley 111.
| Identifier | ExFiles\Box 99\3\ scan0012 | |
| Date | 11th August 1938 | |
| HPS.{Horace Percy Smith - Experimental Factory Mgr} Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/Std. 424. BY/Ald.{F. Allwood - Experimental Design}11/G.11.8. BENTLEY 111. FAN. SECTION 5220. Please receive herewith two blueprints of each of the following :- S.CD.807 Modified Fan Pulley Hub and Blades. Ex.S.923 Fan Hub - Ex.S.924 Pulley (Handwritten: RM{William Robotham - Chief Engineer} 2 off.) replacing EB.3590 The following existing parts will also be required :- EB.2307 Fan Flange. 1 off, replacing EW.1554. EB.1566 Fan Blade 1 off " EW.1514. The above have been detailed in accordance with memo Rm{William Robotham - Chief Engineer}/Std.15/MH.{M. Huckerby}19.7.38, and to enable B.11 fan to be fitted and pulley modified to give same ratio as B.11 (.9/1). Kindly instruct one set. [Handwritten signature: Ald{F. Allwood - Experimental Design}] BY/Ald.{F. Allwood - Experimental Design} | ||