Blueprints for a modification to the Wraith III side steering tube joint.
| Identifier | ExFiles\Box 9\7\ 07-page164 | |
| Date | 20th April 1938 | |
| HPS. {Horace Percy Smith - Experimental Factory Mgr} C. Rm {William Robotham - Chief Engineer} C. Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} 650. BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} 11/G.20.4.38. AHK WRAITH III. SIDE STEERING - SECTION 7070. Please receive herewith two blueprints of each of the following :- S.CD.578 Modification to Rear S.S. Tube Joint. Ex.S.688 Spring-Side Steering Tube Rear. 2 off. Ex.S.689 Ball Pad Rear End. 2 off. Ex.S.690 Ball Pad Guide. 2 off. With this scheme, instead of the end of the stem of the ball pad hitting the retaining nut, the spring coming choc-a-bloc forms the limit of travel, as requested on memo Rm {William Robotham - Chief Engineer} /FJH. {Fred J. Hardy - Chief Dev. Engineer} E/MH. {M. Huckerby} 11.4.38. Will you kindly instruct one set. Ald {F. Allwood - Experimental Design} BY {R.W. Bailey - Chief Engineer} /Ald. {F. Allwood - Experimental Design} | ||
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).