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).
The ordering and weight specifications of front and rear road springs.
| Identifier | ExFiles\Box 67a\2\ scan0096 | |
| Date | 4th January 1928 | |
| Roy{Sir Henry Royce} C. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} X8410 BY/HEB{H. Biraben}12/M.4.1.28. E.A.C. 14. FRONT AND REAR ROAD SPRINGS SEC: 7020/30. Further to our memos BY/HEB{H. Biraben}3/M.3.1.28. and BY/HEB{H. Biraben}2/M.24.10.27, by which we have ordered the following springs for the above chassis. F.77917 Front Road Spring(1000 lbs) : 4 off. F.78164 " " (1050 lbs) : 2 " F.78284 " " (1100 lbs) : 2 " F.77918 Rear Road Spring (1650 lbs) : 4 " F.78264 " " (1550 lbs) : 4 " Will you kindly ask Messrs.Firth's to let us know as soon as possible the weight of each of the above springs and whether there is any possibility of further reducing this weight by improved design as requested by our memo BY/HEB{H. Biraben}4/M.4.1.28. BY/HEB.{H. Biraben} H.{Arthur M. Hanbury - Head Complaints} | ||