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).
Tire and rim supply issues, the development of drop center rims, and competitor vehicle specifications.
| Identifier | ExFiles\Box 42\4\ Scan170 | |
| Date | 22th August 1930 | |
| 8 38 9 H.{Arthur M. Hanbury - Head Complaints} AN HS{Lord Ernest Hives - Chair} RECEIVED POST SEP 1 1930 RECEIVED SEP 2 1930 WHEELS AND TIRES August 22nd, 1930 To: Mr. Sidgreaves CC -- Wor{Arthur Wormald - General Works Manager} By Hives H.{Arthur M. Hanbury - Head Complaints} C. Beaver A.{Mr Adams} C. Ross R.{Sir Henry Royce} B. Burton From: Mr. Olley We cabled you today as follows: " Sidgreaves: We can get supplies seven inch twenty tires for drop center rim but only by using new four inch rim which Dunlop are preparing to make stop will Hives test present standard Dunlop Fort tires on new rim to determine whether acceptable writing. Olley " In view of difficulties connected with steering on the straight side tire, also the trouble of squeaking flanges, and the fact that it is not standard at Derby, and that the D.{John DeLooze - Company Secretary} C. rim and tire is the accepted new development, we have been seeking an escape from the straight side tire. The D.{John DeLooze - Company Secretary} C. tire has at present only partially arrived in the U. S. It is now used as follows: RIM Austin 3.75 x 18 2.156 Chevrolet ( wire wheel ) 4.75 x 19 3.00 Chrysler Plymouth ( wire wheel ) do do Ford Model A do do Chrysler DeSoto (wire wheel) 5.00 x 19 do Chrysler Six ( wire wheel ) do do Essex ( wire wheel ) do 2.75 Willys 6-98B ( supersedes Whippet ) do 3.00 Chrysler DeSoto 8 ( wire wheel ) 5.25 x 19 do Lincoln 7.00 x 20 4.00 The question has been confused by the desire to change to the 19" wheel. | ||