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).
On a Slipper Flywheel design change to a disc drive arrangement, at the request of the Experimental Department.
| Identifier | WestWitteringFiles\R\January1928-March1928\ 111 | |
| Date | 6th March 1928 | |
| R.{Sir Henry Royce} FROM E.{Mr Elliott - Chief Engineer} C. to BJ. HS.{Lord Ernest Hives - Chair} BY.{R.W. Bailey - Chief Engineer} E4/M6.3.28. ORIGINAL EAC.10. SLIPPER FLYWHEEL. X7300 Blueprint LeC. 2520. shews the above arranged with a disc drive to the pressure plate instead of serrations. This is at Exp. Dept's request. E.{Mr Elliott - Chief Engineer} | ||