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).
Test results for steering column movement measured at the thrust race on a bumping rig.
| Identifier | ExFiles\Box 17\3\ Scan224 | |
| Date | 17th April 1935 guessed | |
| COLUMN MOVEMENT TESTS. BUMPING RIG - MOVEMENT MEASURED AT COLUMN THRUST RACE. 2" CAMS. 108 R.P.M. BUMPING FRONT WHEELS. CONDITION OF CHASSIS. COLUMN MOVEMENT. Bumper running. Static test horizontal. Vertical. Horizontal. No front axle dampers fitted. (1) Complete dash and column support as shewn in sketch. .200" .460" As (1) (2) Steering wheel removed. .150" .450" .230 As (2) (3) Side 'B' of triangular column support removed. .140" .400" .060 As (1) (4) But dashboard supports 'A' removed. .320" .400" As (4), but with radiator tie rod disconnected. .230" .400" Movement measured here. Triangular column support in std. position. | ||