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).
Excessive out-of-balance condition of 'India' brand tyres from Major Segrave's car.
| Identifier | ExFiles\Box 4\3\ 03-page77 | |
| Date | 23th April 1930 | |
| 1401 To C. From Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington} C. to Nor. By.{R.W. Bailey - Chief Engineer} C. to MX.{John H Maddocks - Chief Proving Officer} Hn.{F. C. Honeyman - Retail orders} Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington}2/SJ.23.4.30. 17050 18462 1401 17810 INDIA TYRES. We are forwarding to you one of the 'India' covers and tubes off Major Segrave's car. This cover is about 1 lb. 6 ozs. out of balance at the rim radius, which is equivalent to an out of balance of almost 300 ins. ozs. The limit we give the Dunlop Co., on the 32 x 6.75" tyre cover is 67" ozs. The 'India' tube is also 30,000 ins. ozs. out of balance and we consider that this is excessive. The four other covers on Major Segrave's car were not within our limits but we have succeeded in balancing them with great difficulty. Will you please take the matter up with the Car Mart. Will MX.{John H Maddocks - Chief Proving Officer} please see that 'India' tyres fitted to customers cars are given the same test as Dunlop covers for out of balance. If incorrect, they should be returned to the makers. Hs{Lord Ernest Hives - Chair}/Bn.{W.O. Bentley / Mr Barrington} | ||