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).
Continued extract discussing springing and steering tests comparing Goodyear and Dunlop tyres.
| Identifier | ExFiles\Box 81\1\ scan0156 | |
| Date | 20th February 1920 | |
| Contd. -2- extract from Hs{Lord Ernest Hives - Chair}4/LG20.2.20. tests on springing and steering on his latest car, he confirms that they found a distinct improvement when they took off the Goodyear rubber non-skid tyres and fitted ordinary Dunlops. X.3893. We also notice that the latest Goodyear non-skid tyres which we have received from America (straight sided ones) the diamond knobs on the tread are only about half the depth of those on the tyres we have been running. | ||