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).
Tyre sizes, including the actual and nominal sizes for chassis prints.
| Identifier | ExFiles\Box 58\1\ Scan110 | |
| Date | 20th October 1931 guessed | |
| -2- size, and treated the side steering layout in a similar manner, as in view of the facts there is only one tyre size to be worked to viz. 32.130" actual. The rolling radius of tyre is given to us by Dunlops as 15". We always have included on our chassis prints the actual size as well as the nominal size. BY.{R.W. Bailey - Chief Engineer} | ||