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).
Suggesting an alteration to the spring arrangement on the 4-wheel brake servo for the Phantom and India models to reduce friction.
| Identifier | ExFiles\Box 5\3\ 03-page210 | |
| Date | 24th October 1925 | |
| To Hs.{Lord Ernest Hives - Chair} from R.{Sir Henry Royce} c. to CJ. BY.{R.W. Bailey - Chief Engineer} DA.{Bernard Day - Chassis Design} X5940 R8/M24.10.25. 4-WHEEL BRAKES - PHANTOM AND INDIA. X. 8420 X. 5940 I have suggested that it is possible you will find an improvement in altering the arrangement of springs so that the servo has a direct pull backwards at a spring of about half the hold off springs on the front axle. This should considerably reduce the friction required at the suspension of the floating lever. DA.{Bernard Day - Chassis Design} is sending you the particulars I have suggested should be tested. We will go over the Phantom arrangement to see how the friction on this suspension link can be improved. R.{Sir Henry Royce} | ||