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).
Comparison of two alternative springs for a 40/50HP chassis ignition governor, detailing load and stress.
| Identifier | ExFiles\Box 65\1\ scan0134 | |
| Date | 12th March 1926 | |
| X8685 To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} BY/SS{S. Smith}7/DB.{Donald Bastow - Suspensions}12.3.26. Re 40/50HP Chassis - Ignition Governor Sec:5120. We give below the two alternative springs we instructed for the above. E.73203 has always been fitted and represents the highest load obtainable in conjunction with the maximum safe stress. E.73152 Load 2.43 lbs. Stress 107,000 lbs.per sq.in. E.73203. Load 2.735 lbs. Stress 120,000 lbs.per sq.in. BY/SS.{S. Smith} | ||