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).
List of weights and specifications for different types of tires and wheels.
Identifier | ExFiles\Box 71\2\ scan0058 | |
Date | 17th September 1928 | |
OY3.R.9.17.28 -2- September 17th, 1928. 33 x 6.75 U.S. ribbed tread S.S. tire on American wire wheel and inner hub without brake drum - 2.79 units Weight of wheel and tire - 87 lbs. (without inner hub.) 7" x 20" (i.e. 32 x 6.75) U.S. Dunlop non-skid well-base tire on American wire wheel and inner hub (without brake drum) - 2.258 units Weight of wheel and tire - 78 lbs. (without inner hub.) Very truly yours, Maurice Olley r/ | ||