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).
Blueprint showing two alternative designs for a Rocker Bush.
| Identifier | ExFiles\Box 115\1\ scan0299 | |
| Date | 2nd July 1910 | |
| ROLLS ROYCE E 54970. ALTERNATIVE 1. 1.298" 1.234 .11" 9/16 ± .010 OIL GROOVE 3/32 WIDE x .020 DEEP MAX ALTERNATIVE 2. 1.234 ± .010" 2 HOLES 5/16 DIA. OUT OF ROUND PERMISSABLE DUE TO FORMING. — ROCKER BUSH. — OUTSIDE DIA: .708" PRESS FIT IN .703" HOUSING. WHEN PRESSED INTO .703" HOUSING. BORE DIA: .589 LEAVING .010" - .012" FOR REAMERING IN POSITION METHOD OF INSPECTION. THE BUSH SHOULD HAND PUSH FIT INTO .709" RING GAUGE WHEN IN RING GAUGE TRY BORE WITH PLUG GAUGE. .593 GO .597 NO GO Nº 808B DRN: G.G.Holland DATE 2.7.10 MATERIAL D2. BIMETAL .057 VANDERVELL PRODUCTS LIMITED WESTERN AVENUE, PARK ROYAL, LONDON, W.3. | ||