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).
Blueprints and modifications for a Senior Gearbox with a right-hand side change.
| Identifier | ExFiles\Box 136\2\ scan0198 | |
| Date | 1st March 1940 | |
| To Rm.{William Robotham - Chief Engineer} c. to Ev.{Ivan Evernden - coachwork} File 1153. Ev{Ivan Evernden - coachwork}/HH.11/JH.1.3.40. Senior Gearbox (R.H. Side Change). Section 6030 - Gearbox. PL.43 - L.H. side change gear. PL.65 - Modified gearbox. Please receive herewith blue prints of each of the following:- RG.{Mr Rowledge}164 - Selector shaft - 1st. and 2nd. - 1 off. RG.{Mr Rowledge}165 - Selector shaft - 3rd. and 4th. - 1 RG.{Mr Rowledge}166. - Selector shaft - Reverse - 1 RG.{Mr Rowledge}167 - Operating fork - Reverse - 1 RG.{Mr Rowledge}168 - Adaptor - damper pump outlet - 1 RG.{Mr Rowledge}169 - Side cover. - 1 RG.{Mr Rowledge}170 - Joint - side cover - 1 RG.{Mr Rowledge}171 - Gearbox - 1 RG.{Mr Rowledge}172 - Oil feed tube - damper pump - 1 RG.{Mr Rowledge}173 - Tie rod - 1 RG.{Mr Rowledge}174 - Support brkt. - 1 RG.{Mr Rowledge}175.DC - Reverse actuating lever. - 1 RG.{Mr Rowledge}428 - Locating piece. - 1 RG.{Mr Rowledge}429.DC - cover - blanking - 1 RG.{Mr Rowledge}467/71 - Adjusting washer - rev. lever - 1 RG.{Mr Rowledge}498 - Gearbox L.O.P. (3 sheets) The above parts have been produced in accordance with PL.65 and PL.43. The part list is generally similar to GB.5393 which was used on Silver Dawn chassis with the following modifications- (1) The front foot mounting deleted. (2) Oil well for rear layshaft bearing deleted as we now have Timken brgs. here. (3) Selector shaft interlock deleted. (4) Drain plug on bottom cover as on GOD.1417. (5) Vacuum cylinder to PL.79. (6) The clutch casing parts have been deleted from Sec.6030 and a new section (6010) has been devised for them. (7) A blank cover RG.{Mr Rowledge}429.D.C. has been shown and is to be used on the R.H. side change box to blank out the L.H. side change selector shaft bore. Cont'd.{John DeLooze - Company Secretary} | ||