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).
Instructions for a shortened steering nut and cage on the Phantom chassis to increase the angular movement of the rocking shaft.
| Identifier | ExFiles\Box 17\3\ Scan168 | |
| Date | 13th December 1927 | |
| C. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X7030 BY/HEB{H. Biraben}5/M.13.12.27. PHANTOM CHASSIS & E.A.C.S.(12-EX). STEERING COLUMN AND BOX SEC:7050. TO "N" SCHEME 2431. SHORTENED STEERING NUT AND CAGE TO OBTAIN GREATER ANGULAR MOVEMENT OF ROCKING SHAFT (.900 LEAD STG:) Herewith please receive one Blue Print of the following:- F.78189 Cage for Steering Nut R.H. 1 off per chassis. F.78190 Cage for Steering Nut L.H. 1 off per chassis. F.78193 Steering Nut (.900 Lead) 1 off per chassis. Kindly produce as required and fit to Expl: Chassis. With these parts fitted it is impossible for the nut to reach the stops inside the box unless the Side Steering Tube is disconnected. These parts are interchangeable with the following:- F.77489 Cage for Steering Nut R.H. 1 off per chassis. F.77490 Cage for Steering Nut L.H. 1 off per chassis. F.77453 Steering Nut .900 Lead. 1 off per chassis. BY/HEB.{H. Biraben} HEB{H. Biraben} | ||