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 failure of rivets on the servo balance lever for the 25/30 HP & Bentley Servo, recommending an immediate change to bolts.
| Identifier | ExFiles\Box 87\5\ scan0063 | |
| Date | 10th September 1936 | |
| To By.{R.W. Bailey - Chief Engineer} c. to E.{Mr Elliott - Chief Engineer} c. to Da.{Bernard Day - Chassis Design} c. to Hdy.{William Hardy} c. to MX.{John H Maddocks - Chief Proving Officer} X 24/ Hs{Lord Ernest Hives - Chair}/FJH.{Fred J. Hardy - Chief Dev. Engineer}20/KW.10.9.36. 25/30 HP. & Bentley Servo. The Test Dept. have recently experienced a case of shearing of the rivets on the servo balance lever, on a 25/30 HP. chassis. It has already been instructed that these should be replaced in due course by bolts, in E/HDY.{William Hardy}3/HP.3.4.36, but as a failure of these parts has now occurred during normal use, we consider that the change should be made immediately, as the failure results in the loss of all servo braking. Hs{Lord Ernest Hives - Chair}/F.J.Hardy. | ||