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).
New steering pivot design for the Goshawk model in conjunction with 4-wheel brakes.
| Identifier | WestWitteringFiles\L\April1924-June1924\ Scan3 | |
| Date | 27th June 1924 | |
| TO HS.{Lord Ernest Hives - Chair} FROM R.{Sir Henry Royce} copy to CJ. BI. " " RG.{Mr Rowledge} BX. " " DA.{Bernard Day - Chassis Design} WOR.{Arthur Wormald - General Works Manager} re. GOSHAWK 4 WHEEL BRAKES. We have been designing a new form of steering pivot for the Goshawk, which, if approved will be used in conjunction with 4 wheel brakes. In this design the journal bearings are of the roller type, and the thrust bearing is of large diameter, and plain. This is at the bottom, and should be always submerged in oil. Experience has taught us to prefer this combination, owing to difficulties of lubricating the vertical journal bearings on the pivot pin, and the necessity of providing a certain amount of damping friction to reduce the risk of steering wobbles. Should the friction of plain thrust prove insufficient, the lower bearing can also be a plain one instead of roller. R.{Sir Henry Royce} | ||