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).
Cross-sectional drawing of a Hispano type side steering tube with dimensions and load specifications.
| Identifier | ExFiles\Box 22\1\ Scan255 | |
| Date | 8th July 1925 guessed | |
| HISPANO TYPE SIDE STEERING TUBE. X42414 1.525 .375 4.8 FREE LENGTH LARGE DIAM. 1.955 SMALL DIAM. 1.975 LENGTH IN COMPRESSION IN S.S. TUBE NORMAL. 1.450 1.450 LOAD FOR DEFLECTION OF .100" 33.0 lbs 10 lbs. INITIAL PRESSURE ON BALLEND 408.5 lbs. | ||