Wind tunnel test results for a Standard Saloon and a Streamline Car.
| Identifier | ExFiles\Box 160\2\ scan0158 | |
| Date | 28th November 1933 | |
| Rm {William Robotham - Chief Engineer} from Ev {Ivan Evernden - coachwork} X 4178. Wind Tunnel Tests I am getting these out now, but herewith are what you asked for. Std. Saloon Corrected for Reflex Testing - Drag. = 1.400. With no front wings. = 1.236. With no wings at all = 1.243 Frontal. Projected area = 26.4 sq ft StreamlineExperimental Streamline Bentley B.23.A.E Car Reflex. drag = 1.120. No rear wings = 1.118. No wings at all = 1.006. Projected Area = 21.3 sq ft. I do not get 28.38 sq as projected area of Std. Saloon. as given - HS {Lord Ernest Hives - Chair} /Rm {William Robotham - Chief Engineer} /q/KT. 6.7.33. EN. 28/11/33 | ||
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).