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).
Experimental Propellor & Torque tube. Intermediate bearing fired in an otherwise standard torque tube.
| Identifier | ExFiles\Box 77\1\ scan0106 | |
| Date | 14th December 1911 | |
| R.R. 512(2 1/2 H) (X. 435. 14.12.11) G.{Mr Griffiths - Chief Accountant / Mr Gnapp} 2227. x484 Section 2600. Description: Experimental Propellor & Torque tube. Intermediate bearing fired in an otherwise standard torque tube. Date: 27/11/11, REPORT: Sheet from %. Date: 8/12/11, REPORT: Sheet from %. rec'd 2/12/11 Was instructed 9/12/11. Date: 25/1/12, REPORT: See axle dept. Taking an average change gave better results for quietness. ETH file 21/2/12 | ||