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).
Suggestion from Mr Royce regarding the use of 935 x 135 wheels with worm axles to increase clearance.
| Identifier | ExFiles\Box 2\6\ B002_X 140 141 157-page153 | |
| Date | 3rd February 1912 | |
| WORM AXLES (Road wheels.) Written by Mr Nadin 3rd Feb 1912. Handed to T.C. Feb 5th. Mr Royce suggested - that 935 x 135 wheels should be used with this axle as standard in order to give increased clearance. X/101 | ||