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).
Dimensions and weight of a 7' x 19' U.S. Royal Tyre compared to standard Dunlop tyres.
| Identifier | ExFiles\Box 42\5\ Scan055 | |
| Date | 8th May 1930 | |
| To OY. From Hs{Lord Ernest Hives - Chair}/AJL. c. to Ey. c. to Da.{Bernard Day - Chassis Design} c. to ZV. X 3895 Hs{Lord Ernest Hives - Chair}/AJL.2//AW.8.5.30. x3895 x7820 x5820 7" x 19" U.S. ROYAL TYRE (FLAT BASE RIM). The attached chart shews the dimensions, weight etc., as compared with our standard Dunlop tyres (P.11 and 20/25 HP). Hs{Lord Ernest Hives - Chair}/AJL. | ||