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).
Comparison of steering effort in pounds for various car makes and bearing types.
| Identifier | ExFiles\Box 28\4\ Scan042 | |
| Date | 1st January 1913 | |
| contd. -2- Por/13/C15813. pivot pin to the point where the load was applied was 20". Make of Car. Pull in lbs. at a radius of 20" from the pivot pin to move the steering. R.R. Ball thrust steering. 6. R.R. with plain thrust bearing. 10 Delauney Bellville. 12.5 Napier. 11.5 Lanchester. 13.5 Daimler (old) 16. | ||