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).
Wheel rim fouling with balloon tyres and lock circle diameters for a 44-PK car.
| Identifier | ExFiles\Box 53\2\ Scan124 | |
| Date | 3rd September 1924 | |
| XC4585 Hs.{Lord Ernest Hives - Chair} from GHR. 3.9.24. BALLOON TYRES 34" X 7.5 44-PK CAR. Wheel rim fouls O.S. cross steering tube to extent of .15". STANDARD TYRES 33" X 5". Left-hand lock circle dia. = 47 ft. 6 ins. Right-hand " " " = 48 ft. 10 ins. G.H. Ratcliffe. MADE AT CROXLEY | ||