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).
Parts changes for the Camshaft and Idler Gear on the Wraith III and Phantom III chassis.
| Identifier | ExFiles\Box 136\1\ scan0280 | |
| Date | 26th January 1938 | |
| 455 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} BY/Ald.{F. Allwood - Experimental Design}14/G.26.1.38. WRAITH 111 and PHANTOM 111 CHASSIS. CAMSHAFT - SECTION 5090. IDLER GEAR - SECTION 5110. Please receive herewith two blueprints of each of the following, with an extra print of parts marked * :- WRAITH 111. SECTION 5090. * S.CD.419 Modification to Camshaft Gear. Ex.S.435 Centre for Camshaft Wheel - 1 off. Ex.S.436 Camshaft Gear. 1 off. PHANTOM 111. SECTION 5110. * S.CD.420 Modification to Idler Gear. Ex.S.437 Centre for Idler Gear. 1 off. Ex.S.438 Idler Gear - 1 off. The following standard part will also be required :- WRAITH 111. SECTION 5090. KB.2953 Lockwasher for Cam Wheels Nuts. 6 off. The following parts will not be required:- WRAITH 111. SECTION 5090. G.77693 Lockwasher for Cam Wheel Nuts. 3 off. EW.920 Centre for Camshaft Wheel. 1 off. EW.1422 Camshaft Gear. 1 off. PHANTOM 111. SECTION 5110. E.86982 Idler Gear Blank. 1 off. E.86983 Sleeve 1 off. E.87346 Idler Gear. 1 off. The above schemes and new details have been made at the request ofRm/FJH.{Fred J. Hardy - Chief Dev. Engineer}12/AP.18.1.38. to use a die cast alum. centre piece, with Attwaters No. 3108 moulded fabric. This completes the instructions for the above schemes. Kindly instruct one set for each chassis. BY/Ald.{F. Allwood - Experimental Design} | ||