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).
Modification details for the side steering tube on the 20-HP 'M' Series chassis to reduce steering speed.
| Identifier | ExFiles\Box 56\4\ Scan077 | |
| Date | 17th April 1928 | |
| c. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X5450 EY/HSB11/M.17.4.28. 20-HP. CHASSIS "M" SERIES. SIDE STEERING TUBE - SEC:7070. MODIFICATION TO SIDE STEERING TUBE AND SIDE STEERING LEVER TO REDUCE THE STEERING SPEED IN ACCORDANCE WITH Hs{Lord Ernest Hives - Chair}/Rml/LG.2.4.28. Herewith please receive one Blue Print of each of the following:- F.55544 Steering Nut .700 Lead. 1 off per chassis F.55545 Cage for Steering Nut R.H. 1 " " " F.55546 " " " L.H. 1 " " " F.55547 Arrgt. of Side Steering Tube. F.55548 Side Steering Tube. 1 off per chassis The following part is also required.- G.53143 Cross and Side Steering Lever(9.000") 1 off. a print of which has previously been issued to you. With this arrangement the Steering Leverage is increased to 13.7/1 and the turns of the wheel to 2.5, and the appearance of the Side Steering Tube is improved. We shall be glad if you will urge this experiment as it is proposed to bring same on Production as soon as possible. BY/HSB. RECEIVED 1928 | ||