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).
Revisions to the epicyclic 3rd speed gearbox, specifically regarding the inspection cover and vacuum cylinder.
| Identifier | ExFiles\Box 6\4\ 04-page295 | |
| Date | 1st November 1930 | |
| BY.{R.W. Bailey - Chief Engineer} FROM DA.{Bernard Day - Chassis Design} C. to SG.{Arthur F. Sidgreaves - MD} HS.{Lord Ernest Hives - Chair} X8310 EPICYCLIC 3rd. SPEED GEARBOX. (REVISED.) DA{Bernard Day - Chassis Design}1/Mil.11.30. X.7310. X.5310. X.523. Herewith we send N. sch. 3152. - Plan View of the above. It will be noticed that the inspection cover on the L.H. side has been reduced in dia. It will also be noticed that we shew here the vacuum control cylinder in the revised position. We also send N. sch 3170. shewing the pedals, and also indicating the new position for the vacuum cylinder, which it will be seen is exactly the same as when on the L.H. side, but handed except for the operating valve which has been transfered bodily across. DA.{Bernard Day - Chassis Design} | ||