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).
Plan for a series of wind tunnel experiments on a Bentley Saloon model.
| Identifier | ExFiles\Box 160\2\ scan0113 | |
| Date | 8th June 1933 guessed | |
| To Rm{William Robotham - Chief Engineer} from Ev.{Ivan Evernden - coachwork} WIND TUNNEL EXPERIMENTS ① BENTLEY. MODEL 1 Model 1. is the scuttling Saloon Car 2.B.4. on which it is proposed to test the following 8 types of front wing. 2 types of rear wing. 2 types of tail. 3. angles of plain Screen. also Removal of Headlamps. Filling in of Window recesses. Fitting of complete undersheet. No front wings. NO Wings at all. WINGS-(FRONT) [Sketch of a car with labels: SCREEN① pointing to the windscreen, TAIL① pointing to the rear, and MODEL① under the car] Model 1 with Screen ① & tail ① Wings (Front) groupe 1 { ⓐ Standard with no outside shield & with steps. ⓑ Standard with outside shield & steps. ⓒ America Type with outside shield & steps. ⓓ Flared Type with lips + steps. ⓔ Flared Type without lips + steps. ⓕ Budwung (IDEX) with no steps. ⓖ Cycle Type, turning with wheel. ⓗ Slipper Type. groupe ② { Repeat group 1. with Screen. 2. + tail 1 groupe ③ { Repeat Group 1. with Screen 3 + tail 1. groupe ④ { Repeat Group 1. with Screen 1 + tail 2. groupe ⑤ { Repeat Group 1 with Screen 2. + tail 2. groupe ⑥ { Repeat Group 1 with Screen 3 + tail 2. | ||