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).
Instruction from Mr. Royce to test if a three-bladed radiator fan performs as well as a six-bladed one for the 20 HP chassis.
| Identifier | ExFiles\Box 75\3\ scan0084 | |
| Date | 5th June 1919 | |
| R.R. 235 B (200.T) (S.F. 103. 25-10-18) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2241. C.O.P.P X.3438 C To EH. from R.{Sir Henry Royce} c. to CJ. c.to Bn.{W.O. Bentley / Mr Barrington} c. to Da.{Bernard Day - Chassis Design} c.to EFC. --------------- EB8/G.5/6/19. X.3438 - RADIATOR FANS. X.3576 In accordance with Mr Royce's instructions, would you please make a test to see if the 40/50 H.P. Radiator Fan will do as well with three blades as with six. It is contemplated using a three-bladed fan for the 20 H.P. chassis. R.{Sir Henry Royce} | ||