Data table showing the results of propeller shaft tests conducted while driving over a humped-back bridge.
| Identifier | ExFiles\Box 11\5\ 05-page078 | |
| Date | 18th April 1934 | |
| 18.4.34. Propeller Shaft Tests - 22-EX. The following figures were obtained by driving the car over a humped-back bridge, and at the same time braking sharply when the axle was on the re-bound :- | Speed | Oil Press. To Dampers. | Axle Rebound | Whether Prop.Shaft Marked | Whether on Shackle Spring Stops. | |---------|------------------------|--------------|---------------------------|----------------------------------| | 45 MPH. | 0 | 6.9" | Yes | Yes. | | 45 MPH. | 5 | 6.8" | Yes | Yes. | | 45 MPH. | 10 | 6.1" | No | Yes. | | 50 MPH. | 10 | 6.8" | Yes | Yes. | | 50 MPH. | 15 | 6.6" | Yes | Yes. | | 50 MPH. | 20 | 6.3" | Yes | Yes. | | 50 MPH. | 25 | 5.9" | Yes | Yes. | | ||
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).