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).
The effect of lubrication on the ball joints of a loaded cross steering tube.
| Identifier | ExFiles\Box 67\3\ scan0015 | |
| Date | 16th November 1926 | |
| To H.S. Copy & file X8425 16-11-26 The effect of lubrication on ball joints of loaded cross steering tube. First Test. ball joints lubricated load at periphery of steering wheel 3.5 lbs. 2nd Test. ball joints washed with paraffin and car run for 500 miles load at periphery of steering wheel erratic approx 4.5 lbs. actual initial pull 8 lbs. % increase of friction i.e. 4.5 lbs = 28.57% G.H.Hancock | ||