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).
Explanation from Messrs. Dunlop regarding unbalanced modified silent tread tyres.
| Identifier | ExFiles\Box 45\2\ Scan329 | |
| Date | 1st December 1930 | |
| X.4050. PN.{Mr Northey} from Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} Hs{Lord Ernest Hives - Chair}/Rnl/AD3.12.30. With reference to your query re. the modified silent tread tyres which you received and which were badly out of balance, we have received the following explanation from Messrs. Dunlop:- "We find on investigation that the 5 covers of modified Silent tread pattern sent to you for the 20/25 HP. car were not balanced, for which we would ask you to accept our apologies. They were taken from production for the purpose of modifying the tread, and it was overlooked that they had not passed the balancing operation. We take this opportunity of assuring you that covers delivered to you in the ordinary way are balanced before issue, in accordance with the existing arrangement". Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||