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).
Specifications and clearances for side steering tube N.sch.2253.
| Identifier | ExFiles\Box 68\1\ scan0198 | |
| Date | 25th February 1927 | |
| To Rm.{William Robotham - Chief Engineer} from GWH.{George W. Hancock - Head Chateauroux} X.8450 Rm{William Robotham - Chief Engineer}/LG25.2.27. Side steering tube N.sch.2253. X8420 Fitted to 98-NK with 9.5 pendulum lever. Steering tube 36.750" centres. With 2.125" rebound clearance between frame and/tube = .250" split pin in With 3.375" " = .1875" Movement of spring = .250 Side steering tube for this axle is 35.875 centers. The above clearances are taken with this length of tube on full left lock. 34.650 - D.O. give this length of tube for old type axle. G.W.Hancock. | ||