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).
Simplification of the Ripple Fan design due to over-cooling issues.
| Identifier | ExFiles\Box 118\1\ scan0178 | |
| Date | 20th March 1940 | |
| Rm{William Robotham - Chief Engineer}/HH. c to Rm{William Robotham - Chief Engineer}/Col. 1022 Yds Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards}1/GH.20.3.40. re RIPPLE FAN. Tests on 1.R.1. have shown that this car is considerably over-cooled and we feel that a simpler type of fan would probably prove satisfactory. We should be glad therefore if you would arrange to produce drawings for a fan model on the Studebaker, that is simply with two twisted strips of metal fastened to a flange. We do not think that noise is going to be a problem on this car and our usual five staggered blades are not necessary. We are at present awaiting the factory costs of the Bentley V fan, and as soon as these become available we should like to have a talk about simplifying this design. Rm{William Robotham - Chief Engineer}/Ed.{J. L. Edwards} | ||