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).
Modifications and estimated cost savings for the 25/30HP and Bentley Chassis Fan.
| Identifier | ExFiles\Box 148\5\ scan0143 | |
| Date | 1st February 1937 | |
| To BY/Cgh.{W Clough} from G/Rb.{R. Bowen} 1260 G/Rb.{R. Bowen}10/K/71/017237. c. to Rm{William Robotham - Chief Engineer}/Std. 25/30HP. and Bentley Chassis Fan. BY/Cgh.{W Clough}5/W.1.2.37. In accordance with your request we have considered the R.R. Scheme Drg. 1045 which embodies the following main modifications:- Combined Aluminium Fan Brkt and Water Connection, Simplified Arrgt. of Fan incorporating one piece Blade, Modified Spindle etc. Alteration to top Water connection, embodying long rubber hose and composite water Inlet, We are of opinion that if these features are incorporated there will be an average saving in Factory Cost of approximately 17s. 9d. per chassis. G/Rb.{R. Bowen} [Handwritten Signature] | ||