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).
Instructions for creating two new sets of front springs for a front wheel brake experiment.
| Identifier | ExFiles\Box 73\2\ scan0056 | |
| Date | 1st October 1923 | |
| X9940 Hs.{Lord Ernest Hives - Chair} c. R.{Sir Henry Royce} c. CJ. c. Bv. E.A.C - SECRET Rg{Mr Rowledge}2/W23. 10. 23 FRONT WHEEL BRAKES. Confirming conversation with regard to the above, in addition to the lever moving the point of application for the rope below the centre of the radius rod ball on the axle, please make up two sets of front springs with reverse leaves:- (1) Taking F.4634 thirteen plate spring and add two plates on the top. (2) Taking F.7681 fourteen plate spring and add three plates on the top. For this experiment use the second, third and fourth leaves obtained by dismantling springs to get the results quickly. Rg.{Mr Rowledge} | ||