With a sketch detailing a fault where a ball hammers into its seat on a seat damper.
| Identifier | ExFiles\Box 11\3\ 03-page448 | |
| Date | 24th July 1931 guessed | |
| cross steering end view of contact foul mark of Ball This Ball hammers into seat and sticks causing an after movement of the arm of approx 1/1" to 1.500" before load is reached. This occurs after pushing the arm up and reverse quickly. We found this phenomenon on both seat dampers. J.H.H. | ||
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).