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).
First drawings for an experimental epicyclic 3rd speed gearbox.
| Identifier | WestWitteringFiles\T\March1929-December1929\ Scan187 | |
| Date | 26th July 1929 | |
| FROM DA.{Bernard Day - Chassis Design} Copy to HS.{Lord Ernest Hives - Chair} EXPERIMENTAL EPICYCLIC 3rd. SPEED GEARBOX. ORIGINAL DA{Bernard Day - Chassis Design}2/M26.7.29. x5640 We send herewith N. schemes 2926/7. being the first drawings of this gear, to enable you to commence work on it. N. sch. 2926. - Side Elevation - is practically complete, but N. scheme 2927. we should be glad if you would return to us in order that we may add some more information. At the moment there is no reason to suppose that we shall alter anything, but simply add to it. Further drawings shewing the controls will follow in due course. DA.{Bernard Day - Chassis Design} | ||