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).
Comparative performance of disc wheels versus wire wheels at high speeds.
| Identifier | ExFiles\Box 33\4\ Scan059 | |
| Date | 10th June 1931 | |
| To PN.{Mr Northey} From Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} c. to Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} c. to Cx.{Major Len W. Cox - Advertising Manager} 81761. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}3/KT.10.6.31. We have not made any comparative tests on the track comparing disc wheels with wire wheels for maximum speeds. In view of the fact, however, that the majority of racing cars do not use discs, we cannot believe these fittings influence high speeds to any great extent. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||