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).
List of blueprints for guides, springs and ball pads for the Phantom Chassis side steering tube.
| Identifier | ExFiles\Box 68\1\ scan0212 | |
| Date | 2nd May 1927 | |
| C. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} VSU50 BY/HEB{H. Biraben}7/M.2.5.27. PHANTOM CHASSIS. SIDE STEERING TUBE SEC:7070. (IN ACCORDANCE WITH "N" SCHEME 2301). Please receive herewith one blue print of each of the following:- F.76903 Inner Guide for Spring - Rear(2000 lbs.Spring) 1 off per chassis. F.76904 Outer " " - " (2000 lbs.Spring) 1 off per chassis. F.76905 Inner " " -Front(2000 lbs.Spring) 1 off per chassis. F.76906 Outer " " - " (2000 lbs.Spring) 1 off per chassis. F.76907 Inner " " - Rear(2500 lbs.Spring) 1 off per chassis. F.76908 Outer " " - " (2500 lbs.Spring) 1 off per chassis. F.76909 Inner " " -Front(2500 lbs.Spring) 1 off per chassis. F.76910 Outer " " - " (2500 lbs.Spring) 1 off per chassis. F.76911 Ball Pad(2000 and 2500 lbs.Springs) 4 off per chassis We also attach two blue prints of each of the following:- F.76912 Spring for Side Steering Tube(2000 lbs/inch)4 off per chassis. F.76913 " " " (2500 lbs/inch)4 off per chassis. Kindly instruct for each of the above to be produced Experimentally for use as alternatives to the 1500 lbs/inch Spring F.76267 to "N" Scheme 2301, as requested by Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} The various Guides F.76903 to F.76910 are required owing to the different initial loads for Front and Rear Joints with each spring and also in order to adapt the alternative springs in the Tube produced. BY/HEB.{H. Biraben} RECEIVED 2 MAY 1927 | ||