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 detailing the design and installation of a silent rocker cover for a Bentley engine.
| Identifier | ExFiles\Box 138\1\ scan0177 | |
| Date | 17th May 1938 | |
| Hs.{Lord Ernest Hives - Chair} 1971. FELT PACKING. WELDED JOINT. STANDARD ROCKER COVER. ONE COVER FITS INSIDE ANOTHER. LEAVING .250 CLEARANCE FOR WHICH FELT PACKING IS INSERTED BEFORE TACKING THE TWO FLANGES TOGETHER. FELT PACKING. THIS FLANGE FITS ALL THE WAY ROUND THE CYLINDER HEAD. THE FLANGE ON THE ROCKER COVER HAS BEEN REMOVED SO THAT THE NEW FLANGE FOR THE OUTER COVER MAY BE BOLTED FLUSH WITH THE SIDE OF THE CYLINDER HEAD. BENTLEY CYLINDER HEAD. SILENT ROCKER COVER, BENTLEY. ROLLS ROYCE, LTD PRINT ROOM MAY 17 1938 DERBY Hs.{Lord Ernest Hives - Chair} 1971. | ||