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).
Customer complaints regarding balloon tyres affecting steering and the recommendation to maintain 40 lbs/sq.in. pressure.
| Identifier | ExFiles\Box 53\3\ Scan104 | |
| Date | 1st June 1928 | |
| To Hm.{Capt. W. Hallam - Head Repairs} from Hs.{Lord Ernest Hives - Chair} X4565 Hs{Lord Ernest Hives - Chair}1/LG4. 6.28. BALLOON TYRES - (For Depot sheet). X8430 We have received complaints that balloon tyres have spoilt the 40/50 steering. We therefore consider that the following facts should be borne in mind. In all our experience, and we have run hundreds and thousands of miles on balloon tyres, we have found that the main trouble with steering and balloon tyres is that the pressures are not kept up to the recommended 40 lbs/sq.in. on the front wheels. Balloon tyres are not fitted to the front axle for comfort, but so that they can also be employed on the rear at low pressures without the necessity of carrying two sizes of tyre and wheel as spare. Therefore a pressure of 40 lbs/sq.in. should be rigidly adhered to as a minimum, and customers must be made to understand that this is not a fad but a necessity for reason- able steering. Hs.{Lord Ernest Hives - Chair} | ||