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).
Design sketch and discussion of a horizontally-slit, one-piece aluminium piston with two-bolt steel pedestals.
| Identifier | WestWitteringFiles\N\October1925-December1925\ Scan40 | |
| Date | 11th August 1920 | |
| (2) (7) Make a piston thus - (see sketch below.) [Handwritten on sketch] TWO BOLT STEEL PEDESTALS WITH SOLID DOWELS. ONE PIECE ALUM PISTON SLIT HORIZONTALLY HALF WAY ACROSS & SPLIT ON NON PRESSURE SIDE OF SKIRT. (8) We do not think the one suggested by Mr.Lovesey would be good. We made many composite ones, but we got no really good results until we split on the non pressure side. R.{Sir Henry Royce} [Purple stamp text] RECEIVED 18 OCT ... H8 | ||