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).
Confirming a design modification for the Bentley III propeller shaft to use a die-cast housing instead of pressings.
| Identifier | ExFiles\Box 99\4\ scan0101 | |
| Date | 2nd December 1937 | |
| F.J. HARDY .200B 434. To Da.{Bernard Day - Chassis Design} from HPS.{Horace Percy Smith - Experimental Factory Mgr} c. to Rm.{William Robotham - Chief Engineer} RAH HPS.{Horace Percy Smith - Experimental Factory Mgr}8/VS.{J. Vickers}2.12.37. BENTLEY III PROPELLER SHAFTS. This is to confirm that you will modify the design of the propeller shaft/centre bearing with a view to cheapening same by incorporating a die cast housing in place of the pressings, which we suggest will distort when welding. We require the new detail drawings as soon as possible, since this section is held up. HPS.{Horace Percy Smith - Experimental Factory Mgr} | ||