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).
List of required adjustments and tests for steering and suspension components.
| Identifier | ExFiles\Box 96\1\ scan0371 | |
| Date | 21th February 1939 | |
| BY/SB{Mr Bull/Mr Bannister}3/MG.21.2.39 (continued) 2. 3 - Revert to the standard rear shock damper setting, i.e., no leaks. 4 - Make the poundage of the cross steering tube ball joints 4 lbs. 5 - Attend to the slipper drive as necessary. 6 - We will then be in a position to make further tests with the stabiliser bumper bar. We may possibly have a P.III type Bumper available in time to try it. BY/SB{Mr Bull/Mr Bannister} | ||