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).
Test report on Cast Iron and Phosphor Bronze gears.
| Identifier | ExFiles\Box 136\1\ scan0006 | |
| Date | 11th October 1911 | |
| aly/AA{D. Abbot-Anderson} X410 Section. HOS 800 DESCRIPTION:- Cast iron & Phosphor Bronze Gears Date sheet from office. 11.10.11 Date received. 20.10.11 Date Works instructed. P.B. 20.10.11 Material received. Reported T.D. office. (Cast iron outside 20/12/11) Reported to office. Date. | Miles. | Report. --------------------------------------- 20/11/11 | | Testing on 1718 C.I. ed{J. L. Edwards} 27/11/11 | | C.I Running satisfactory still a 1718. 30/11/11 | | T.C No 90. reported still running OK another set went e.p. for testing. 4/12/11 | | Testing on 1718 28/12/11 | 700 | V Fair have much improved 106 28/12/11 | | Reported + C. possible 11/1/12 | | Cast iron gears. tackled by engine. Date. | Miles. | Report. --------------------------------------- | | gears report, reported impossible to get rid of low speed noise & machined to a rattle Running on 1718. 25/1/12 | | .. 2/2/12 | | 1 set fitted to 1649 2/3/12 | Chassis 1718 | Report from Mr. Barrington 29/3/12 | | see dept file. 4.3.12. 16/5/12 | | C.I. on 1718 good P.B. on 1731 | | T.C. 119. 6 sets each to come through. 24/7/12 | file | Dropped in favour of Helical | ||